Fault list

Code hex

Code dec

Meaning

Possible cause

Measure

2311

8977

Feedback in error status

  • Feedback is not connected.
  • The feedback does not provide any data.
  • Encoder feedback overflowed.
  • Check the cabling of the encoder.
  • Check the battery status of battery-operated encoders.
  • Check the parameterization of the feedback.

2340

9024

Short circuit

  • The motor or cabling is defective.
  • The drive is faulty.
  • The current has exceeded a range that is considered a phase-phase short circuit or phase-ground short circuit.
  • Check the motor cable and the motor connector.
  • Measure with an ohm meter:
    • Motor phases must be symmetrical.
    • Motor phases against PE must be infinite.
  • Check the inverter for dirt, damage and condition.

3120

12576

Undervoltage

  • The power supply unit is switched off or has an output impedance that is too high.
  • The amplifier does not measure the required minimum voltage.
  • Check hardware, wiring and supply voltage.
  • Check the bus voltage.

3130

12592

Phase failure

  • One phase failed.
  • Check the hardware configuration depending on the drive.
  • Check whether the motor phases are connected correctly.

3310

13072

Overvoltage

  • Supply voltage too high.
  • The servo drive could not absorb the kinetic energy when braking a load.
  • The amplifier measures a voltage higher than the permitted limit value.
  • Check hardware, wiring and supply voltage.
  • Check whether a braking resistor is required.
  • Check the bus voltage.

4210

16912

Motor overtemperature

  • The motor temperature is too high.
  • The temperature sensor is defective.
  • The connector of the return unit is loose or the return cable is interrupted.
  • The motor does not have a temperature sensor.
  • The switch-off threshold for temperature sensor is set too low.
  • Thermal switch/element is not supported.
  • For resolvers: The analog input is used elsewhere.
  • Check the motor environment: If the cooling is poor, improve the cooling.
  • Measure the resistance of the sensor.
  • (PTC: low temperature: low resistance; high temperature: high resistance)
  • Check the connectors and cables.
  • Switch off the temperature monitoring via parameter CA[60].
  • Check the switch-off threshold (EnDat XT[5] or resolver/SSI XT[6]).
  • Contact SEW-EURODRIVE.
  • Switch off the temperature monitoring.

4220

16928

Motor undertemperature

  • The motor temperature is too low.
  • The return cable has a short circuit.
  • The motor does not have a temperature sensor.
  • The switch-off threshold for the temperature sensor is set too high.
  • Check the motor environment. Observe the specification of the controller.
  • Check the connectors and cables.
  • Switch off the temperature monitoring via parameter CA[60].
  • Check the switch-off threshold (EnDat XT[7] or resolver/SSI XT[8]).

4310

17168

Overtemperature

  • The drive is overheated.
  • The environment is too hot or the heat dissipation is not efficient.
  • There is a high thermal resistance between the drive and its assembly.
  • The frequency inverter measures a temperature that is above the maximum permitted temperature limit.
  • Correct the motor parameters. Improve cooling.
  • Check the actual temperature in TI[1] in Celsius, TI[2] in Fahrenheit.
  • Check whether the hardware settings are suitable for the hardware setup.
  • Increase the TS parameter or decrease parameter XP[2].

5441

21569

Motor deactivated by switch

  • The motor has been deactivated using a switch.
  • Check the input (limit switch, mutual limit switch interlocking).

5442

21570

Additional cancellation

  • The "additional cancellation movement" switch inhibits the motor.
  • The "External cancellation" input must be reset.
  • Check the input (limit switch, mutual limit switch interlocking).

6300

25344

Process data error

  • The process data cannot be interpreted.
  • Perform a cold start in the controller.
  • Check the process data configuration.
  • Check the cables.

7121

28961

Motor blocked

  • The motor is stuck.
  • Check the motor and mechanics.

7300

29440

Sensor error

  • Short circuit, ground fault
  • The encoder is defective.
  • The contacts in the connector are not OK.
  • The feedback is set incorrectly.
  • The feedback line is incorrect or defective.
  • Feedback is not compatible.
  • The cables are poorly shielded.
  • The feedback line is too long.
  • Coupling of interference signals
  • The encoder battery is empty.
  • Check the feedback line.
  • Replace the encoder and/or motor.
  • Measure the contacts.
  • Check the cables, especially in the cable carrier.
  • Use suitable cables.
  • Observe the maximum permitted cable length.
  • Check the shielding. Observe the minimum distance between power cables and signal connections.
  • To ignore an encoder overflow, set the error mask: CA[8]=0xFFFF
  • Check/replace the encoder battery.

7382

29570

Sensor commutation error

  • The commutation angle is set incorrectly.
  • The cabling to the motor is faulty.
  • Perform commutation. If necessary, contact SEW-EURODRIVE.
  • Check the cabling to the motor.

8110

33040

CAN message lost

  • The hardware or software buffer has overflowed.
  • Check the rate of the messages.

8130

33072

EtherCAT® packet loss or cancellation

  • The EtherCAT® heartbeat frame did not arrive or did not arrive in time.
  • Check the EtherCAT® master.
  • Check the EtherCAT® cabling.
  • Check the EtherCAT® parameterization.

8140

33088

Restoring the bus-off state

  • EMCY is sent after the inverter has returned from the bus-off state.
  • Check the physical connection of the CAN.
  • Check whether the baud rate of all nodes matches the baud rate of the master.
  • Check the terminating resistor.

8210

33296

Attempt to access unconfigured RPDO

  • The received RPDO is not mapped or contains an incorrect number of bytes.
  • Check the RPDO assignment and the RPDO sent by the host.
  • Check whether the number of RPDO bytes matches the mapped bytes.

8311

33553

Peak limit current exceeded

  • The peak current has exceeded the value of the MC parameter and has not yet reached the level of a short circuit.
  • Check the settings for peak current, KP[1] and KI[1].
  • Check the motor cable.

8480

33920

Lag error in the speed control loop

  • The difference between setpoint and actual speed is too large.
  • Check the parameter for the lag error window of the speed. On the controller, this is parameter ER2.

8481

33921

Speed exceeded

  • The measured speed is too high.
  • Check the parameter for the application limit of the speed. On the controller, these are the parameters VH2 and HL2.
  • Check the cabling to the encoder (with resolver). It is important that the shield is connected. Check the mechanics.

8611

34321

Position detection error

  • The difference between setpoint and actual position is too large.
  • Check the parameter for the lag error window of the position. On the controller, this is parameter ER3.

8680

34432

Feedback is outside the position limits

  • The actual position is outside the defined limits.
  • Check the limit values for the position. On the controller, these are the parameters HL3 and LL3.

FF01

65281

User-triggered error

  • The user program triggers an error.
  • Check the user program.

FF02

65282

Interpolation error

  • The control is faulty in interpolation mode.
  • Check and change the control.

FF10

65296

Motor could not be started

  • The STO is not active during the switch-on process.
  • An internal error is pending.
  • Check the connection of the STO.
  • Contact SEW-EURODRIVE.

FF20

65312

Safety – STO

  • The STO is deactivated during operation.
  • Check the connection of the STO.
  • Check the parameters of the encoder system.
  • Contact SEW-EURODRIVE.

FF30

65328

Numerical overflow ambiguity of the results

  • An internal mathematical problem has occurred.
  • Check the set parameters.