Emotron DSV Drive Fault Codes List

Troubleshoot your Emotron DSV15 or DSV35 drive. Learn how to navigate the P155.00 error history buffer, diagnose common faults, and reset trips safely.

The Emotron DSV series (including the DSV15 and DSV35 models) is a range of highly compact and functional AC drives covering power levels from 0.25 kW up to 30 kW . These drives support both asynchronous and synchronous motor control, offering high-performance features such as integrated Safe Torque Off (STO) and Ethernet-based fieldbus communication.

Emotron DSV Fault Codes Reference Table

Refer to your specific diagnostic tables to identify the exact 4-digit hexadecimal code active on your drive's display. Knowing the active code points you directly to the affected electrical circuit or parameter path.

Emotron DSV Drive Fault Codes List

Emotron DSV Drive Fault Codes List

Fault Code and Meaning Cause and Remedy
Motor I2t

I2t value exceeded.		 Cause:

Motor overload according to programmed I2t settings.

Remedy:

  • Check mechanical overload.
  • Check bearings, gearbox, chains and belts.
  • Adjust Motor I2t Current setting in menu [230].
PTC

Motor thermistor exceeds maximum level.		 Cause:

Motor overheating detected by PTC.

Remedy:

  • Check motor load.
  • Check cooling system.
  • Reduce load at low speed.
  • Set PTC OFF if required.
Motor Lost

Phase loss or excessive imbalance on motor phases.		 Cause:

Missing phase or poor motor connections.

Remedy:

  • Check voltage on all phases.
  • Inspect motor cable connections.
  • Contact supplier if problem persists.
Locked Rotor

Torque limit reached at standstill.		 Cause:

Mechanical blocking of rotor.

Remedy:

  • Check motor and machine for blockage.
  • Disable alarm if appropriate.
Over Temp

Heatsink temperature too high.		 Cause:

High ambient temperature, insufficient cooling, blocked fans or excessive current.

Remedy:

  • Check cabinet cooling.
  • Check fan operation.
  • Clean fans.
  • Reduce switching frequency if needed.
Over Curr F

Motor current exceeds peak drive current.		 Cause:

Short acceleration time, high load, short circuit or bad connections.

Remedy:

  • Increase acceleration time.
  • Check motor load.
  • Inspect motor and earth connections.
  • Reduce IxR compensation.
Over Volt D

DC link overvoltage during deceleration.		 Cause:

Deceleration time too short or brake resistor issue.

Remedy:

  • Increase deceleration time.
  • Check brake resistor.
  • Check brake chopper operation.
Under Voltage

DC link voltage too low.		 Cause:

Low supply voltage or mains voltage dip.

Remedy:

  • Check all three phases.
  • Verify mains voltage.
  • Use low voltage override if required.
PF Curr Err

Error in current balancing.		 Cause:

Current imbalance between modules or phases.

Remedy:

  • Check motor.
  • Check fuses and line connections.
  • Measure individual motor currents.
Brake

Brake fault or brake not engaged during stop.		 Cause:

Brake acknowledge signal missing or brake circuit fault.

Remedy:

  • Check acknowledge wiring.
  • Check digital input settings.
  • Inspect brake contactor and circuit breaker.
  • Verify parameters [33C]-[33F].
8784 | 0x2250

CiA: continuous overcurrent (inside the device)
Keypad display: PU over current		 Cause:

  • Continuous overcurrent on the inverter/motor side.
  • Overcurrent at the brake chopper (brake transistor).
  • DC bus relay has not been closed due to a malfunction.


Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset after a blocking time of 5 s.)
  • Check motor and wiring for short circuits.
  • Check brake resistor and wiring.
8992 | 0x2320

CiA: Short circuit/earth leakage (internal)
Keypad display: Earth leak		 Cause:

  • Short circuit/earth fault of motor cable.
  • Capacitive charging current of the motor cable too high.


Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset after a blocking time of 5 s.)
  • Check motor cable.
  • Check length of the motor cable.
  • Use shorter or lower-capacitance motor cable.
9024 | 0x2340

CiA: Short circuit (device internal)
Keypad display: Motor shorted		 Cause:

Short circuit of motor cable.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset after a blocking time of 5 s.)
  • Check motor cable for short circuit.
9040 | 0x2350

CiA: i²*t overload (thermal state)
Keypad display: i2t motor		 Cause:

Motor thermally overloaded, e.g. by an impermissible continuous current or by frequent or too long acceleration processes.

Remedy:

Response: Fault (The error can only be reset after a blocking time of 5 s. The error type can be configured in 0x2D4B:003 (P308.03).)
  • Check drive dimensioning.
  • Check machine/driven mechanics for excessive load.
9090 | 0x2382

I*t error
Keypad display: Ixt error		 Cause:

Device utilisation (I*t) too high by frequent and too long acceleration processes.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset after a blocking time of 3 s. The error type can be configured in 0x2D40:005 (P135.05).)
  • Check drive dimensioning.
9091 | 0x2383

I*t warning
Keypad display: Ixt warning		 Cause:

Device utilisation (I*t) too high by frequent and too long acceleration processes.

Remedy:

Response: Warning
  • Check drive dimensioning.
9095 | 0x2387

Imax: Clamp responded too often
Keypad display: Clamp timeout		 Cause:

Maximum current of the axis (display in 0x2DDF:002) has been reached too often in succession.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts).)
  • Select a flatter speed ramp.
  • Reduce the load.
  • Set Imax controller more dynamically.
9096 | 0x2388

SLPSM stall detection active
Keypad display: SLPSM stall det.		 Cause:

Overload of the motor with sensorless control for synchronous motors (SL-PSM).

Remedy:

Response: Trouble (The inverter is inhibited immediately. The motor becomes torqueless (coasts).)
  • Reduce load at the axis.
  • Check settings of the SL-PSM parameters.
12576 | 0x3120

Mains phase fault
Keypad display: Mains Phase fail		 Cause:

Mains phase failure.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts).)
  • Check wiring of the mains connection.
  • Check fuses.
12672 | 0x3180

Operation at UPS active
Keypad display: UPS oper. active		 Cause:

Operation on uninterrupted 1x230V current supply (UPS) has been activated: Only a reduced output current is provided.

Remedy:

Response: Warning
  • Switch back to operation with regular mains voltage.
12816 | 0x3210

DC bus overvoltage
Keypad display: DC Bus OV		 Cause:

DC-bus voltage has exceeded the error threshold for overvoltage due to a too high braking energy or a too high mains voltage. The error threshold (display in 0x2540:006 (P208.06)) results from the setting of the rated mains voltage in 0x2540:001 (P208.01).

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts).)
  • Reduce dynamic performance of the load profile.
  • Check mains voltage.
  • Check settings for the brake energy management.
  • Connect brake resistor to the power unit and activate the integrated brake chopper.
12817 | 0x3211

DC bus overvoltage warning
Keypad display: Warn.DC Bus OV		 Cause:

DC-bus voltage has exceeded the warning threshold for overvoltage set in 0x2540:005 (P208.05) due to a too high braking energy or a too high mains voltage.

Remedy:

Response: Warning
  • Reduce dynamic performance of the load profile.
  • Check mains voltage.
  • Check settings for brake energy management.
  • Connect brake resistor to the power unit and activate the integrated brake chopper.
12832 | 0x3220

DC bus undervoltage
Keypad display: DC Bus UV		 Cause:

DC-bus voltage has fallen below the error threshold for undervoltage. The error threshold (display in 0x2540:003 (P208.03)) results from the setting of the rated mains voltage in 0x2540:001 (P208.01).

Remedy:

Response: Trouble
  • Check mains voltage.
  • Check DC-bus voltage.
  • Check mains settings.
12833 | 0x3221

DC bus undervoltage warning
Keypad display: Warn.DC Bus UV		 Cause:

DC-bus voltage has fallen below the warning threshold for undervoltage set in 0x2540:002 (P208.02).

Remedy:

Response: Warning
  • Check mains voltage.
  • Check DC-bus voltage.
  • Check mains settings.
12834 | 0x3222

DC-bus voltage to low for power up
Keypad display: DC-bus on-UV		 Cause:

The input voltage is too low to switch on the inverter.

Remedy:

Response: Warning
  • Check mains voltage.
  • Check mains settings.
16912 | 0x4210

PU: overtemperature fault
Keypad display: PU Overtemp.		 Cause:

The heatsink temperature of the power unit (display in 0x2D84:001 (P117.01)) has exceeded the fixed error threshold (100 °C).
  • Ambient temperature too high.
  • Fan or ventilation slots are polluted.
  • Fan is defective.


Remedy:

Response: Fault
  • Provide for a sufficient cooling of the device.
  • Clean fan and ventilation slots.
  • If required, replace fan.
  • Reduce switching frequency.
17024 | 0x4280

Heat sink temperature sensor fault
Keypad display: Heatsink sensor		 Cause:

Sensor for the temperature monitoring of the power unit is defective. The failure of the temperature monitoring function poses the risk of overheating!

Remedy:

Response: Fault
  • Hardware error: it is necessary to contact the manufacturer, since the device must be replaced.
17025 | 0x4281

Heat sink fan warning
Keypad display: Heatsink fan		 Cause:

Warning of the heatsink fan.

Remedy:

Response: Warning
  • Check/replace the heatsink fan.
17029 | 0x4285

Power section overtemperature warning
Keypad display: Warn.PU Overtemp		 Cause:

The heatsink temperature of the power unit (display in 0x2D84:001 (P117.01)) has exceeded the warning threshold set in 0x2D84:002.
  • Ambient temperature too high.
  • Fan or ventilation slots are polluted.
  • Fan is defective.


Remedy:

Response: Warning
  • Provide for a sufficient cooling of the device.
  • Clean fan and ventilation slots.
  • If required, replace fan.
  • Reduce switching frequency.
17168 | 0x4310

Motor overtemperature error
Keypad display: Overtemp. motor		 Cause:

The motor temperature sensor connected to terminals X109/T1 and X109/T2 measures a too high motor temperature.
  • Motor too hot by impermissibly high currents.
  • Motor too hot by frequent and too long acceleration processes.


Remedy:

Response: Fault (The error can only be reset after a blocking time of 5 s. The error type can be configured in 0x2D49:002 (P309.02).)
  • Check drive dimensioning.
  • Check motor temperature sensor and wiring.
20754 | 0x5112

24 V supply critical
Keypad display: 24V supply low		 Cause:

24V voltage failed or too low.

Remedy:

Response: Warning
  • Check optional external 24V voltage supply (terminal X3/24E), if connected.
  • Check mains voltage.
20864 | 0x5180

24 V supply overload
Keypad display: Overlaod 24V		 Cause:

Output current at the 24V output or at the digital outputs too high.

Remedy:

Response: Warning
  • Check 24V output and digital outputs for earth fault or overload.
21376 | 0x5380

OEM hardware incompatible
Keypad display: Incomp. OEM HW		 Cause:

The control unit (OEM hardware) is not compatible with the power unit (OEM hardware).

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset by mains switching.)
  • Use compatible hardware.
  • Contact the OEM.
24970 | 0x618A

Internal fan warning
Keypad display: Internal fan		 Cause:

Warning of the internal fan.

Remedy:

Response: Warning
  • Check/replace internal fan.
25216 | 0x6280

Trigger/functions connected incorrectly
Keypad display: P400 config err		 Cause:

The assignment directives have not been observed.
  • If the "flexible I/O configuration" is active as control source, the "Enable inverter" or "Run" function must be connected to a digital input in order that the motor can be stopped again any time!
  • The use of the "Start forward (CW)" and "Start reverse (CCW)" functions excludes the use of the "Run forward (CW)" and "Run reverse (CCW)" functions, and vice versa.


Remedy:

Response: Trouble
Check and correct the assignment of the triggers for the functions.
  • With keypad or network control, the two "Enable inverter" and "Run" functions can also be set to "Constant TRUE [1]" to start the motor.
25217 | 0x6281

User-defined fault 1
Keypad display: User fault 1		 Cause:

Flexible I/O configuration: the "Activate fault 1" function was activated via the trigger selected in 0x2631:043 (P400.43).

Remedy:

Response: Fault
  • Eliminate error cause and then reset error.
25218 | 0x6282

User-defined fault 2
Keypad display: User fault 2		 Cause:

Flexible I/O configuration: the "Activate fault 2" function was activated via the trigger selected in 0x2631:044 (P400.44).

Remedy:

Response: Fault
  • Eliminate error cause and then reset error.
25232 | 0x6290

Reversal warning
Keypad display: Invert rotation		 Cause:

  • Negative setpoint selection with an active limitation of rotation 0x283A (P304.00).
  • The "Reverse rotational direction" 0x2631:013 (P400.13) function was requested with an active limitation of rotation 0x283A (P304.00).


Remedy:

Response: Warning (The motor is brought to a standstill, since a reversal of the rotating direction is not permissible.)
  • Check setpoint selection and trigger.
  • Check setting in 0x283A (P304.00).
25233 | 0x6291

Number of maximum permissible faults exceeded
Keypad display: Trouble overflow		 Cause:

The number of permitted restart attempts after a fault set in 0x2839:003 (P760.03) was exceeded. The fault occurred too frequently and could not be reset.

Remedy:

Response: Fault (The motor remains at a standstill, no automatic restart is executed.)
  • Check and eliminate the fault.
25248 | 0x62A0

AC Drive: user fault
Keypad display: AC Dr. UserFault		 Cause:

The "Activate fault" function was triggered via bit 10 of the LECOM control word 0x400B:002 (P592.02).

Remedy:

Response: Fault
  • Eliminate error cause and then reset error.
25249 | 0x62A1

Network: user fault 1
Keypad display: Netw.UserFault 1		 Cause:

The "Activate fault 1" function was triggered via the NetWordIN1 data word 0x4008:001 (P590.01).

Remedy:

Response: Fault
  • Eliminate error cause and then reset error.
25250 | 0x62A2

Network: user fault 2
Keypad display: Netw.UserFault 2		 Cause:

The "Activate fault 2" function was triggered via the NetWordIN1 data word 0x4008:001 (P590.01).

Remedy:

Response: Fault
  • Eliminate error cause and then reset error.
25265 | 0x62B1

NetWordIN1 configuration incorrect
Keypad display: NetWordIN1 error		 Cause:

Two bits of the NetWordIN1 data word 0x4008:001 (P590.01) were assigned to the same function.

Remedy:

Response: Trouble
Check and correct configuration of the NetWordIN1 data word.
  • The functions that are to be triggered via bits 0 ... 15 of the NetWordIN1 data word are defined in 0x400E:001 (P505.01) ... 0x400E:016 (P505.16).
25505 | 0x63A1

CU: load error ID tag
Keypad display: CU ID tag error		 Cause:

Calibration data of the control unit not compatible or faulty.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset by mains switching.)
  • Update firmware of the inverter to the most recent version.
  • If the error persists, the control unit or the device has to be replaced. In this case, please contact the manufacturer.
25506 | 0x63A2

PU: load error ID tag
Keypad display: PU ID tag error		 Cause:

Calibration data of the power unit not compatible or faulty.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset by mains switching.)
  • Update firmware of the inverter to the most recent version.
  • If the error persists, the power unit or the device has to be replaced. In this case, please contact the manufacturer.
25507 | 0x63A3

Power section unknown
Keypad display: PU unknown		 Cause:

The power unit installed is not supported by the software.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset by mains switching.)
  • Update firmware of the inverter to the most recent version.
28800 | 0x7080

Monitoring of connection level (Low/High)
Keypad display: Assertionlevel		 Cause:

The last setting of the connection level differs from the saved setting.

Remedy:

Response: Fault
  1. Check setting in 0x2630:001 (P410.01).
  2. Execute device command "Save user data" 0x2022:003 (P700.03).
  3. Switch inverter off and on again.
28801 | 0x7081

Error of analog input 1
Keypad display: AI1 fault		 Cause:

The monitoring function of the input signal configured for analog input 1 in 0x2636:008 (P430.08) and 0x2636:009 (P430.09) has been triggered.

Remedy:

Response: Fault (The error type can be configured in 0x2636:010 (P430.10).)
  • Check input signal at analog input 1.
  • Check configuration of the monitoring function.
28802 | 0x7082

Analog input 2 fault
Keypad display: AI2 fault		 Cause:

The monitoring function of the input signal configured for analog input 2 in 0x2637:008 (P431.08) and 0x2637:009 (P431.09) has been triggered.

Remedy:

Response: Fault (The error type can be configured in 0x2637:010 (P431.10).)
  • Check input signal at analog input 2.
  • Check configuration of the monitoring function.
28803 | 0x7083

HTL input fault
Keypad display: HTL input fault		 Cause:

The monitoring function of the input signal configured for the HTL input has been triggered.

Remedy:

Response: No response (The error type can be configured in 0x2641:006 (P416.06).)
  • Check input signal at the HTL input.
  • Check configuration of the monitoring function.
28833 | 0x70A1

Analog output 1 fault
Keypad display: AO1 fault		 Cause:

Open circuit or short circuit at analog output 1.

Remedy:

Response: Warning
  • Check wiring of analog output 1.
  • Check definition of the output range in 0x2639:001 (P440.01).
28834 | 0x70A2

Analog output 2 fault
Keypad display: AO2 fault		 Cause:

Open circuit or short circuit at analog output 2.

Remedy:

Response: Warning
  • Check wiring of analog output 2.
  • Check definition of the output range in 0x263A:001 (P441.01).
28961 | 0x7121

Pole position identification fault
Keypad display: Pole pos. error		 Cause:

  • Too many deviations during the pole position identification.
  • Compared to the inverter, the rated motor current is too high or too low.


Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error type can be configured in 0x2C60.)
  • Check setting of the motor data.
  • Ensure that the motor is at a standstill during the pole position identification process.
  • Ensure that the motor and inverter match each other in terms of power.
29056 | 0x7180

Motor overcurrent
Keypad display: Mot max current		 Cause:

The motor current has exceeded the warning/error threshold for the motor current monitoring set in 0x2D46:001 (P353.01).

Remedy:

Response: Fault (The error can only be reset after a blocking time of 1 s. The error type can be configured in 0x2D46:002 (P353.02).)
  • Check motor load.
  • Check drive dimensioning.
  • Check warning/error threshold set in 0x2D46:001 (P353.01).
29445 | 0x7305

Encoder open circuit
Keypad display: Encoder error		 Cause:

The encoder signal loss monitoring function has detected a failure of the encoder signal.

Remedy:

Response: Warning (The error type can be configured in 0x2C45 (P342.00).)
  • Check the encoder connection.
  • Check encoder cable for wire breakage.
  • Check encoder current supply.
29573 | 0x7385

Feedback system: speed limitation
Keypad display: F.fdb spd limit		 Cause:

The feedback system exceeds the maximum permissible frequency range of the digital inputs.

Remedy:

Response: Warning
  • Check feedback system.
30336 | 0x7680

Memory module is full
Keypad display: EPM full		 Cause:

The memory module contains too many parameter settings.

Remedy:

Response: Warning (The parameter settings were not saved in the memory module.)
  • Execute "Save user data" 0x2022:003 (P700.03) device command again. This reinitialises the user memory with the current parameter settings. In this way, parameter settings that are no longer required are automatically deleted.
30337 | 0x7681

No memory module
Keypad display: EPM not present		 Cause:

The inverter memory module was removed.

Remedy:

Response: Fault (The default setting stored in the inverter firmware has been loaded. The error cannot be reset by the user.)
  1. Switch off inverter.
  2. Plug the memory module into the inverter.
  3. Switch the inverter on again.

Note: The memory module cannot be replaced during ongoing operation!
30338 | 0x7682

Memory module invalid user data
Keypad display: EPM invalid data		 Cause:

The user parameter settings in the memory module are invalid.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The user parameter settings are lost. The default settings were automatically loaded.)
  1. Execute user parameter settings again.
  2. Execute device command "Save user data" 0x2022:003 (P700.03).
30340 | 0x7684

Data not completely saved before switch-off
Keypad display: Save incomplete		 Cause:

Saving of the parameter settings was interrupted by an unexpected disconnection.

Remedy:

Response: Warning (The user parameter settings were not fully saved. At the next switch-on, the data stored are copied to the user memory.)
  1. Check user parameter settings. (The loaded backup is an older version.)
  2. If required, repeat the changes made last.
  3. Execute device command "Save user data" 0x2022:003 (P700.03).
30342 | 0x7686

Internal communication error
Keypad display: Int. Comm.Err.		 Cause:

Communication between the power unit and the control unit is faulty.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts).)
  1. Switch off inverter.
  2. Install control unit correctly on power unit.
  3. Switch the inverter on again.
30345 | 0x7689

Memory module: invalid OEM data
Keypad display: OEM data invalid		 Cause:

The OEM memory contains invalid parameter settings or is empty.

Remedy:

Response: Warning (The user parameter settings were automatically loaded.)
  • Execute device command "Save OEM data" 0x2022:006 (P700.06).
  • Thus, the user parameter settings get lost!
30346 | 0x768A

Memory module: wrong type
Keypad display: Wrong EPM		 Cause:

The memory module connected is not supported by the inverter.

Remedy:

Response: Fault (The default setting stored in the inverter firmware has been loaded. The error cannot be reset by the user.)
  1. Switch off inverter.
  2. Replace plugged-in memory module by a memory module that matches the inverter.
  3. Switch the inverter on again.
30352 | 0x7690

EPM firmware version incompatible
Keypad display: EPM-FW incomp.		 Cause:

The parameter settings saved in the memory module are incompatible with the firmware version.

Remedy:

Response: Fault (The data have been loaded into the RAM memory, but they are incompatible.)
  1. Execute device command "Load default settings" 0x2022:001 (P700.01).
  2. Execute "Save user data" 0x2022:003 (P700.03) or "Save OEM data" 0x2022:006 (P700.06) device command.
30353 | 0x7691

EPM data: firmware type incompatible
Keypad display: EPM: FW incomp.		 Cause:

The parameter settings saved in the memory module are incompatible with the firmware type.
Example: Memory module of an inverter with an application IO is used in an inverter with a standard IO.

Remedy:

Response: Fault (The data have been loaded into the RAM memory, but they are incompatible.)
  1. Execute device command "Load default settings" 0x2022:001 (P700.01).
  2. Execute "Save user data" 0x2022:003 (P700.03) or "Save OEM data" 0x2022:006 (P700.06) device command.
30354 | 0x7692

EPM data: new firmware type detected
Keypad display: UserCU not match		 Cause:

The parameter settings saved in the memory module do not match the inverter hardware.

Remedy:

Response: Fault (The data have been loaded into the RAM memory without being modified, and they are compatible. The settings loaded must be accepted by the user.)
  1. Check parameter settings.
  2. Reset error.
  3. Execute "Save user data" 0x2022:003 (P700.03) or "Save OEM data" 0x2022:006 (P700.06) device command.
30355 | 0x7693

EPM data: PU size incompatible
Keypad display: EPM PU size inco		 Cause:

The parameter settings saved in the memory module are incompatible with the inverter.

Remedy:

Response: Fault (The data have been loaded into the RAM memory, but they are incompatible.)
  1. Execute device command "Load default settings" 0x2022:001 (P700.01).
  2. Execute "Save user data" 0x2022:003 (P700.03) or "Save OEM data" 0x2022:006 (P700.06) device command.
30356 | 0x7694

EPM data: new PU size detected
Keypad display: EPM new PU size		 Cause:

The parameter settings saved in the memory module comply with a different hardware.
Example: Memory module of an inverter with a power of 3 kW is used in an inverter with a power of 18.5 kW.

Remedy:

Response: Fault (The data have been loaded into the RAM memory without being modified, and they are compatible. The settings loaded must be accepted by the user.)
  1. Check parameter settings.
  2. Reset error.
  3. Execute "Save user data" 0x2022:003 (P700.03) or "Save OEM data" 0x2022:006 (P700.06) device command.
30357 | 0x7695

Invalid configuration of parameter change-over
Keypad display: InvalidChgovrCfg		 Cause:

One or more parameters can no longer be used for the "Parameter change-over" function.

Remedy:

Response: Warning (The parameter change-over function is deactivated.)
  1. Check error message for parameter changeover in 0x4047:001 (P756.01).
  2. Correct the list entry shown in 0x4047:002 (P756.02).
30358 | 0x7696

EPM data: unknown parameter found
Keypad display: Unkn. Par in EPM		 Cause:

The memory module contains parameter settings for one or several parameters that are not known to the inverter.

Remedy:

Response: Info
  • Execute the "Save user data" 0x2022:003 (P700.03) device command. This reinitialises the user memory with the current parameter settings. In this way, parameter settings that are no longer required are automatically deleted.
30359 | 0x7697

Changed parameters lost
Keypad display: Parameter loss		 Cause:

A voltage failure has occurred and changed parameter settings that had not been saved yet were available.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The parameter settings changed have been lost.)
  1. Execute parameter settings again.
  2. Execute device command "Save user data" 0x2022:003 (P700.03).
33042 | 0x8112

Network: timeout explicit message
Keypad display: TO expl. msg		 Cause:

  • Within the time-out period for explicit messages, which has been parameterised by the scanner, no "explicit message" was received.
  • The connection to the scanner has been interrupted.
  • Failure of an explicit connection.


Remedy:

Response: Warning (The error type can be configured in 0x2859:006 (P515.06).)
  • Check cables and terminals.
  • Plug network cables into the Ethernet port.
  • Check the requested package interval (RPI) of the explicit connection.
  • Increase time limit for explicit messages in the scanner.
33044 | 0x8114

Network: overall communication timeout
Keypad display: TO overall comm		 Cause:

  • EtherNet/IP: the maximum permissible time-out period for the CIP communication set in 0x23A1:010 (P510.10) has been exceeded.
  • Modbus TCP/IP: the maximum permissible time-out period for the TCP communication set in 0x23B1:010 (P510.10) has been exceeded.


Remedy:

Response: Warning (The error type can be configured in 0x2859:007 (P515.07) (EtherNet/IP), 0x2859:007 (P515.07) (Modbus TCP).)
  • Check cables and terminals.
  • Connect network cable.
33045 | 0x8115

Time-out (PZÜ)
Keypad display: Time-out (PAM)		 Cause:

The parameter access monitoring (PAM) function has been activated. For a time longer than the time-out period set in 0x2552:003 (P595.03), no value was entered into the "Keep-alive-Register" 0x2552:002 (P595.02).

Remedy:

Response: No response (The error type can be configured in 0x2552:004 (P595.04).)
  • Check communication.
  • Check settings of the parameter access monitoring (PAM) function.
33046 | 0x8116

Modbus TCP master time-out
Keypad display: MBTCP mast t-out		 Cause:

No valid messages have been received by the Modbus master for a time longer than the time-out period set in 0x23B6:001 (P514.01).

Remedy:

Response: Fault (The error type can be configured in 0x2859:008 (P515.08).)
  • Check communication with the master.
33047 | 0x8117

Modbus TCP Keep Alive time-out
Keypad display: MB.Keep Alive TO		 Cause:

For a time longer than the time-out period set in 0x23B6:002 (P514.02), no value was entered into the Keep alive register 0x23B6:005 (P514.05).

Remedy:

Response: Fault (The error type can be configured in 0x2859:009 (P515.09).)
  • Check communication with the master.
33154 | 0x8182

CAN: bus off
Keypad display: CAN bus off		 Cause:

Too many faulty frames have been received.
  • Defective cable (e. g. loose contact).
  • Two nodes with the same node address.


Remedy:

Response: Trouble (Change to the "Bus-Off" communication status. The error type can be configured in 0x2857:010.)
  • Check wiring of the network.
  • Check bus terminating resistor.
  • Set the identical baud rate for each node of the network.
  • Assign a unique node address to each node of the network.
  • Eliminate EMC interferences.
33155 | 0x8183

CAN: warning
Keypad display: CAN bus warning		 Cause:

Too many faulty frames have been received.
  • Defective cable (e. g. loose contact).
  • Two nodes with the same node address.


Remedy:

Response: Warning (The error type can be configured in 0x2857:011.)
  • Check wiring of the network.
  • Check bus terminating resistor.
  • Set the identical baud rate for each node of the network.
  • Assign a unique node address to each node of the network.
  • Eliminate EMC interferences.
33156 | 0x8184

CAN: heartbeat time-out consumer 1
Keypad display: CAN heartb. C1		 Cause:

Within the heartbeat time 0x1016:001 (P520.01), no heartbeat telegram was received by node 1 to be monitored.

Remedy:

Response: Fault (The error type can be configured in 0x2857:005.)
  • Check communication with the heartbeat producer.
  • Reactivate heartbeat producer.
33157 | 0x8185

CAN: heartbeat time-out consumer 2
Keypad display: CAN heartb. C2		 Cause:

Within the heartbeat time 0x1016:002 (P520.02), no heartbeat telegram was received by node 2 to be monitored.

Remedy:

Response: Fault (The error type can be configured in 0x2857:006.)
  • Check communication with the heartbeat producer.
  • Reactivate heartbeat producer.
33158 | 0x8186

CAN: heartbeat time-out consumer 3
Keypad display: CAN heartb. C3		 Cause:

Within the heartbeat time 0x1016:003 (P520.03), no heartbeat telegram was received by node 3 to be monitored.

Remedy:

Response: Fault (The error type can be configured in 0x2857:007.)
  • Check communication with the heartbeat producer.
  • Reactivate heartbeat producer.
33159 | 0x8187

CAN: heartbeat time-out consumer 4
Keypad display: CAN heartb. C4		 Cause:

Within the heartbeat time 0x1016:004 (P520.04), no heartbeat telegram was received by node 4 to be monitored.

Remedy:

Response: Fault (The error type can be configured in 0x2857:008.)
  • Check communication with the heartbeat producer.
  • Reactivate heartbeat producer.
33168 | 0x8190

Network: watchdog timeout
Keypad display: Watchdog timeout		 Cause:

Time-out during cyclic data reception, e.g. due to an interrupted communication link to the master or missing cyclic data.

Remedy:

Response: Trouble (The error type can be configured in: 0x2859:001 (P515.01) (PROFIBUS), 0x2859:001 (P515.01) (EtherCAT), 0x2859:001 (P515.01) (EtherNet/IP), 0x2859:001 (P515.01) (PROFINET).)
  • Check wiring of the network.
  • Eliminate EMC interferences.
33169 | 0x8191

Network: disruption of cyclic data exchange
Keypad display: Cycl data error		 Cause:

The communication partner has interrupted the cyclic data exchange.

Remedy:

Response: No response (The error type can be configured in 0x2859:002 (P515.02).)
  • Check wiring of the network.
  • The slave must receive new parameterisation and configuration files by the master, in order to be able to exchange data again.
33170 | 0x8192

Network: initialisation error
Keypad display: Net. Init. error		 Cause:

The initialisation of the communication stack has been interrupted due to an incorrect address setting or communication configuration.

Remedy:

Response: Trouble (The error type can be configured in: 0x2859:004 (P515.04) (PROFIBUS), 0x2859:004 (P515.04) (EtherCAT), 0x2859:004 (P515.04) (EtherNet/IP), 0x2859:004 (P515.04) (PROFINET), 0x2859:004 (P515.04) (Modbus TCP).)
  • Check master/slave configuration and restart the devices.
33171 | 0x8193

Network: invalid cyclic process data
Keypad display: Inv. cyclic data		 Cause:

The cyclic process data received are invalid.

Remedy:

Response: Trouble (The error type can be configured in: 0x2859:005 (P515.05) (PROFIBUS), 0x2859:005 (P515.05) (EtherCAT), 0x2859:005 (P515.05) (EtherNet/IP), 0x2859:005 (P515.05) (PROFINET).)
  • Check cyclic process data sent by the master.
33185 | 0x81A1

Modbus: network time-out
Keypad display: Modbus time-out		 Cause:

No valid messages have been received via the Modbus for a longer time than the time-out time set in 0x2858:002 (P515.02).

Remedy:

Response: Fault (The error type can be configured in 0x2858:001 (P515.01).)
  • Check communication with the master.
  • Check wiring.
  • Check bus termination.
33186 | 0x81A2

Modbus: incorrect request by master
Keypad display: Modbus request		 Cause:

The request by the master is invalid, e. g. invalid CRC checksum, non-supported function code, or impermissible data access.

Remedy:

Response: Warning (The inverter (slave) responds to the master with an error code: 0x01 = invalid function code, 0x02 = invalid data address, 0x03 = invalid data value, 0x04 = slave device failure)
Check request by the master:
  • Value in the valid range?
  • Function code valid?
  • No impermissible write access? (e. g. with regard to read-only parameters)
33200 | 0x81B0

iCIF connection lost
Keypad display: iCIF disconnect.		 Cause:

In case of the Ethernet communication interface, an internal software error has occurred.

Remedy:

Response: Fault
  • Switch inverter off and on again.
  • In the event of a power failure during a firmware download, it is required to reload the firmware via the USB module and then restart the inverter.
33414 | 0x8286

Network: PDO mapping error
Keypad display: PDO map error		 Cause:

  • Invalid PDO assignment by the master.
  • Internal PDO assignment was changed and does not comply with the configuration available in the master.


Remedy:

Response: Trouble (The error type can be configured in: 0x2859:003 (P515.03) (PROFIBUS), 0x2859:003 (P515.03) (EtherCAT), 0x2859:003 (P515.03) (EtherNet/IP), 0x2859:003 (P515.03) (PROFINET), 0x2859:003 (P515.03) (Modbus TCP).)
  • Check data mapping in the master and slave.
33425 | 0x8291

CAN: RPDO1 time-out
Keypad display: Timeout RPDO1		 Cause:

RPDO3 was not received within the time-out period set in 0x1402:005 (P542.05) or with the sync configured.

Remedy:

Response: Fault (The error type can be configured in 0x2857:001.)
  • Eliminate EMC interferences.
  • Check bus load.
33426 | 0x8292

CAN: RPDO2 time-out
Keypad display: Timeout RPDO2		 Cause:

RPDO2 was not received within the time-out period set in 0x1401:005 (P541.05) or with the sync configured.

Remedy:

Response: Fault (The error type can be configured in 0x2857:002.)
  • Eliminate EMC interferences.
  • Check bus load.
33427 | 0x8293

CAN: RPDO3 time-out
Keypad display: Timeout RPDO3		 Cause:

RPDO1 was not received within the time-out period set in 0x1400:005 (P540.05) or with the sync configured.

Remedy:

Response: Fault (The error type can be configured in 0x2857:003.)
  • Eliminate EMC interferences.
  • Check bus load.
33553 | 0x8311

Torque limit reached
Keypad display: Torque limit		 Cause:

Motor has reached the torque limit:
  • 0x60E0: Positive torque limit
  • 0x60E1: Negative torque limit
  • 0x6072 (P326.00): Max torque


Remedy:

Response: No response (The error type can be configured in 0x2D67:001 (P329.01).)
  • Observe load requirements.
  • Reduce motor load.
36992 | 0x9080

Keypad removed
Keypad display: Keypad removed		 Cause:

The keypad was removed while the keypad control was activated.

Remedy:

Response: Fault
  • Plug on the keypad again or
  • activate another control source.
65282 | 0xFF02

Brake resistor: overload warning
Keypad display: BrkResistor OL.F		 Cause:

The calculated thermal load of the brake resistor has reached the error threshold set in 0x2550:009 (P707.09). The regenerative energy is too high.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset after a blocking time of 5 s. The error type can be configured in 0x2550:011 (P707.11).)
  • Check drive dimensioning.
  • Check settings for the brake energy management.

Note: The error status will be reset if the thermal load falls below the error threshold - 20 %.
65285 | 0xFF05

Safe Torque Off error
Keypad display: STO error		 Cause:

The safety module or safety circuit of the device was detected as being defective.

Remedy:

Response: Fault (The inverter is inhibited immediately. The motor becomes torqueless (coasts). The error can only be reset by mains switching.)
  • Hardware error: it is necessary to contact the manufacturer since the device must be replaced.
65286 | 0xFF06

Motor overspeed
Keypad display: Motor overspeed		 Cause:

The motor speed has reached the error threshold for overspeed set in 0x2D44:001 (P350.01).

Remedy:

Response: Fault (The error can only be reset after a blocking time of 1 s. The error type can be configured in 0x2D44:002 (P350.02).)
  • Check application.
65289 | 0xFF09

Motor phase missing
Keypad display: Mot.Phase miss.		 Cause:

A failure of several motor phases has been detected.

Remedy:

Response: No response (The error can only be reset after a blocking time of 2 s. The error type can be configured in 0x2D45:001 (P310.01).)
  • Check wiring between inverter and motor.
  • In case of a false tripping, adapt the settings for the motor phase failure detection.
65290 | 0xFF0A

Phase U motor phase failure
Keypad display: Phase U failure		 Cause:

A failure of the motor phase U has been detected.

Remedy:

Response: No response (The error can only be reset after a blocking time of 2 s. The error type can be configured in 0x2D45:001 (P310.01).)
  • Check wiring between inverter and motor.
  • In case of a false tripping, adapt the settings for the motor phase failure detection.
65291 | 0xFF0B

Motor phase failure phase V
Keypad display: Phase V failure		 Cause:

A failure of the motor phase V has been detected.

Remedy:

Response: No response (The error can only be reset after a blocking time of 2 s. The error type can be configured in 0x2D45:001 (P310.01).)
  • Check wiring between inverter and motor.
  • In case of a false tripping, adapt the settings for the motor phase failure detection.
65292 | 0xFF0C

Motor phase failure phase W
Keypad display: Phase W failure		 Cause:

A failure of the motor phase W has been detected.

Remedy:

Response: No response (The error can only be reset after a blocking time of 2 s. The error type can be configured in 0x2D45:001 (P310.01).)
  • Check wiring between inverter and motor.
  • In case of a false tripping, adapt the settings for the motor phase failure detection.
65305 | 0xFF19

Motor parameter identification fault
Keypad display: Motor ID fault		 Cause:

During the automatic identification of the motor, an error has occurred.

Remedy:

Response: Fault
  • Set motor data so that they comply with the data on the motor nameplate.
  • Check wiring of the motor.
65334 | 0xFF36

Brake resistor: overload warning
Keypad display: BrkResistor OL.W		 Cause:

The calculated thermal load of the brake resistor has reached the warning threshold set in 0x2550:008 (P707.08). The regenerative energy is too high.

Remedy:

Response: Warning (The error type can be configured in 0x2550:010 (P707.10).)
  • Check drive dimensioning.
  • Check settings for the brake energy management.

Note: The warning status is reset if the thermal load falls below the warning threshold of 20 %.
65335 | 0xFF37

Automatic start disabled
Keypad display: Auto start disab		 Cause:

At mains connection, a start command was already available and the automatic start at power-up is set in 0x2838:002 (P203.02) to "Off [0]".

Remedy:

Response: Fault
  • Deactivate start command and reset error.
65366 | 0xFF56

Maximum motor frequency reached
Keypad display: Max. motor freq.		 Cause:

  • The maximum motor speed set in 0x6080 (P322.00) is active.
  • The maximum output frequency of the inverter has been reached.


Remedy:

Response: Warning
  • Check application.
65413 | 0xFF85

Keypad full control active
Keypad display: Keypad full ctrl		 Cause:

If the "Keypad Full Control" control mode is active.

Remedy:

Response: Warning (Both the activity of controlling and the setpoint selection are carried out via the keypad.)
  • Clicking the CTRL keypad key stops the control mode again.

How to Safely Reset an Emotron DSV Fault

Always investigate and resolve the electrical or mechanical issue before resetting the drive . The DSV can be reset using one of four standard methods:

  1. Keypad Reset: Press the red stop/reset key on the diagnostic or control panel . Note that after a critical fault, the drive has a built-in safety blocking time of 5 seconds before a reset can be accepted .
  2. Digital Input Reset: Trigger a transition pulse on a digital terminal mapped to the "Fault Reset" function .
  3. Power Cycle (Power-On Reset): Disconnect the main AC power lines . Safety Requirement: Due to residual energy stored in the capacitors, you must wait at least 3 minutes after switching off the mains voltage before touching terminal connections or opening covers .
  4. Network Reset: Send a reset bit command over your network module (CANopen, Modbus, or PROFIBUS) .

Common DSV-Specific Faults and Troubleshooting

While the diagnostic system covers many parameters, a few common codes represent the majority of typical service calls:

1. Short Circuit / Earth Fault

This code triggers when the drive detects a sudden current surge to earth or across the output phases .

  • Diagnostic: Check the output cables and the motor windings for insulation degradation . If the fault occurs on long cable runs, it may be triggered by high capacitive charging currents; consider installing an output reactor if cable lengths exceed manufacturer limits .

2. AI1 Fault (0x7081 / 28801)

This triggers when the analog input signal falls outside the expected range defined in your protection configurations .

  • Diagnostic: Keypad display shows AI1 fault . Check the physical 4-20mA or 0-10V signal connection running to Analog Input 1 . Ensure that the wire is not broken and that the sensor or potentiometer is powered correctly.

3. UserCU not match (0x7692 / 30354)

This code occurs when the parameter settings saved in the pluggable memory module do not match the physical control unit or power unit hardware .

  • Diagnostic: The parameter data is loaded into the drive's RAM but remains blocked . Execute the device command "Load default settings" and re-verify your user parameter configurations .

4. EPM PU Size (0x7694 / 30356)

The drive triggers this error when the pluggable memory module (EPM) is moved from a drive of one power rating (e.g., 4 kW) to a drive of a different power rating (e.g., 7.5 kW) .

  • Diagnostic: Keypad display shows EPM: new PU size . The data is loaded into RAM but requires confirmation . Review your parameters to make sure they match the new physical power stage, and perform a reset .

Best Practices for Maintaining the DSV Drive

Proactive care of your Emotron DSV drive prevents unexpected downtime and extends hardware life:

  • Secure Control Modules: The DSV uses a modular power unit and control unit assembly . Ensure the control modules and option slot cards are fully seated and screwed down securely to prevent intermittent connection alarms .
  • Backup to the Memory Module: The DSV has an exchangeable memory module (X20 interface) . Always backup your verified parameter settings to the module . This allows for plug-and-play parameter transfer if a drive needs to be replaced .
  • Monitor Heatsink Fan Ventilation: Keep the vents clean. Dust buildup in the heat sink fins can trap heat, triggering thermal overtemperature protection.

By monitoring the P155.00 error history buffer and resolving warning codes early, you can optimize the reliability of your Emotron DSV AC drive .

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