Allen Bradley Kinetix 5500 Servo Drive

Fault Code and MeaningCause and Remedy
FLT S03 – MTR OVERSPEED FL

Motor Overspeed Factory Limit Fault

Cause: Motor speed has exceeded 125% of its maximum speed.



Remedy:

  • Check control loop tuning.


FLT S04 – MTR OVERSPEED UL

Motor Overspeed User Limit Fault

Cause: Motor speed has exceeded motor overspeed user limit.



Remedy:

  • Check control loop tuning.

  • Increase the Motor Overspeed UL attribute value.


FLT S05 – MTR OVERTEMP FL

Motor Overtemperature Factory Limit Fault

Cause: Calculations based on the motor thermistor indicate that the motor factory temperature limit has been exceeded.



Remedy:

  • Operate motor within continuous torque rating.

  • Reduce motor ambient temperature.

  • Add motor cooling.

  • (Available only on Kinetix VP motors. Not supported on induction motors).


FLT S07 – MTR OVERLOAD FL

Motor Thermal Overload Factory Limit Fault

Cause: The motor thermal model has exceeded its factory set thermal capacity limit of 110%.



Remedy:

  • Modify the command profile to reduce speed or increase time.


FLT S08 – MTR OVERLOAD UL

Motor Thermal Overload User Limit Fault

Cause: The motor thermal model has exceeded the thermal capacity limit given by Motor Thermal Overload User Limit.



Remedy:

  • Modify the command profile.

  • Increase the Motor Thermal Overload UL attribute value.


FLT S09 – MTR PHASE LOSS

Motor Phase Loss

Cause: The motor has failed torque proving.



Remedy:

  • Check motor connections.


FLT S10 – INV OVERCURRENT

Inverter Overcurrent Fault

Cause: Inverter current has exceeded the instantaneous current limit (determined by hardware).



Remedy:

  • Check motor power cable for shorts.

  • Verify motor windings are not shorted.

  • Verify motor power wire gauge.

  • Operate within the continuous power rating.

  • Reduce acceleration times.


FLT S11 – INV OVERTEMP FL

Inverter Overtemperature Factory Limit Fault

Cause: The measured inverter temperature has exceeded the factory set temperature limit.



Remedy:

  • Modify the command profile to reduce speed or increase time.

  • Reduce drive ambient temperature.

  • Verify airflow through drive is not obstructed.


FLT S13 – INV OVERLOAD FL

Inverter Thermal Overload Factory Limit Fault

Cause: The thermal model for the power transistors indicates that the temperature has exceeded the factory set thermal capacity rating of 110%.



Remedy:

  • Modify the command profile to reduce speed or increase time.


FLT S14 – INV OVERLOAD UL

Inverter Thermal Overload User Limit Fault

Cause: The thermal model for the power transistors indicates that the temperature has exceeded the limit given by Inverter Thermal Overload User Limit.



Remedy:

  • Modify the command profile to reduce speed or increase time.

  • Increase the Inverter Thermal Overload UL attribute value.


FLT S15 – CONV OVERCURRENT

Converter Overcurrent Fault

Cause: The measured converter current has exceeded the factory set current limit.



Remedy:

  • Reduce acceleration times of all drives sharing the DC bus.

  • Reduce number of shared DC follower drives.

  • Reduce number of capacitor modules.


FLT S16 – GROUND CURRENT

Ground Current Factory Limit Fault

Cause: The sensing circuitry in the power stage has detected excessive ground current.



Remedy:

  • Check motor power wiring; check power cable for shorts.

  • Replace motor if the fault persists.


FLT S18 – CONV OVERTEMP FL

Converter OverTemp Factory Limit Fault

Cause: The measured converter temperature has exceeded the factory set temperature limit.



Remedy:

  • Reduce acceleration times of all drives sharing the DC bus.

  • Reduce number of shared DC follower drives.

  • Modify the command profile to reduce speed or increase time.

  • Reduce drive ambient temperature.

  • Verify airflow through drive is not obstructed.


FLT S20 – CONV OVERLOAD FL

Converter Thermal Overload Factory Limit Fault

Cause: The converter thermal model indicates that the temperature has exceeded the factory set capacity rating of 110%.



Remedy:

  • Reduce acceleration times of all drives sharing the DC bus.

  • Reduce number of shared DC follower drives.

  • Reduce duty-cycle of commanded motion.


FLT S21 – CONV OVERLOAD UL

Converter Thermal Overload User Limit Fault

Cause: The converter thermal model indicates that the temperature has exceeded the limit given by Converter Thermal Overload User Limit.



Remedy:

  • Reduce acceleration times of all drives sharing the DC bus.

  • Reduce number of shared DC follower drives.

  • Reduce duty-cycle of commanded motion.

  • Increase the Converter Thermal Overload UL attribute value.


FLT S23 – AC PHASE LOSS

AC Single Phase Loss Fault

Cause: A single AC input phase was lost while the drive was enabled.



Remedy:

  • Check AC input voltage on all phases.


FLT S25 – PRECHARGE FAILURE

Pre-charge Failure Fault

Cause: The pre-charge circuit monitoring algorithm detected that the DC bus did not reach a factory set voltage level after charging for a period of time.



Remedy:

  • Check AC input voltage on all phases.

  • Check input power wiring.

  • Replace drive if fault persists.


FLT S29 – BUS REG OVERLOAD FL

Bus Regulator Thermal Overload Factory Limit Fault

Cause: The shunt thermal model has exceeded its factory set thermal capacity limit.



Remedy:

  • Modify the duty cycle of the application.

  • Add external shunt for additional capacity.

  • Add capacitor module if needed.


FLT S30 – BUS REG OVERLOAD UL

Bus Regulator Thermal Overload User Limit Fault

Cause: The shunt thermal model has exceeded the thermal capacity limit given by Bus Regulator Thermal Overload User Limit.



Remedy:

  • Modify the duty cycle of the application.

  • Add external shunt for additional capacity.

  • Increase the Bus Regulator Thermal Overload UL attribute value.

  • Add capacitor module if needed.


FLT S31 – BUS REG FAILURE

Bus Regulator Failure

Cause: The shunt driver IC has detected that the shunt resistor is shorted.



Remedy:

  • Check for shorts in the shunt connector.

  • Unplug the shunt connector and measure the resistance of the shunt.

  • Replace drive if shunt resistor is shorted.


FLT S33 – BUS UNDERVOLT FL

Bus Undervoltage Factory Limit Fault

Cause: DC Bus voltage level is below the factory set limit as determined by the configured input voltage.



Remedy:

  • Verify voltage level of the incoming AC.

  • Monitor AC power source for glitches or line droop.

  • Install UPS on AC input.


FLT S34 – BUS UNDERVOLT UL

Bus Undervoltage User Limit Fault

Cause: DC Bus voltage level is below the user set limit as given by Bus Undervoltage User Limit.



Remedy:

  • Verify voltage level of the incoming AC.

  • Monitor AC power source for glitches or line droop.

  • Install UPS on AC input.

  • Increase Bus Undervoltage UL attribute value.


FLT S35 – BUS OVERVOLT FL

Bus Overvoltage Factory Limit Fault

Cause: DC Bus voltage level is above the factory set limit as determined by the configured input voltage.



Remedy:

  • Change the deceleration or motion profile of all drives connected to the DC bus.

  • Unplug the shunt connector and measure the resistance of the shunt.

  • Replace drive if shunt resistor is open.


FLT S39 – BUS POWER LEAK

Bus Power Leakage Fault

Cause: Measured converter power exceeded estimated inverter output power by more than a factory limit.



Remedy:

  • Check bus power sharing configuration attribute.

  • Check AC input and DC bus sharing connections.


FLT S45 – FDBK COMM FL

Motor Feedback Data Loss Factory Limit Fault

Cause: The number of consecutive missed or corrupted serial data packets from the intelligent feedback device has exceeded a factory set limit.



Remedy:

  • Check motor feedback cable and connector.

  • Check motor power cable and feedback wire shields are secured correctly.

  • Check motor frame is grounded correctly.


FLT S47 – FDBK DEVICE FAILURE nn

Feedback Device Failure

Cause: The feedback device has detected an internal error. The nn sub-code is defined as follows:

1: ACCELERATION OVERFLOW

4: TRACKING FILTER ERROR

5: VECTOR LENGTH ERROR

6: COUNTER ERROR

7: SYNCHRONIZATION ERROR

16: SINGLE TURN ERROR

17: MULTI TURN AMPLITUDE ERROR

18: MULTI TURN SYNC ERROR

19: MULTI TURN VECTOR LENGTH ERROR

35: STANDARD PARAMETER ERROR

36: INTERNAL COMMUNICATION ERROR1

37: INTERNAL COMMUNICATION ERROR2

38: INTERNAL SYSTEM ERROR

48: CRITICAL TEMPERATURE

49: CRITICAL LED CURRENT

50: CRITICAL SUPPLY VOLTAGE

51: CRITICAL SPEED

52: CRITICAL ACCELERATION

53: COUNTER OVERFLOW

54: INTERNAL MONITORING ERROR

66: INTERNAL RESOURCE ACCESS ERROR



Remedy:

  • Check motor feedback cable and connector.

  • Cycle control power.

  • Replace motor if fault continues.

  • Check feedback shield connection.

  • Reduce shock and vibration to motor.


FLT S49 – BRAKE SLIP FLT

Brake Slip Exception

Cause: Motor slip has exceeded brake slip tolerance.



Remedy:

  • Check motor brake.


FLT S54 – POSN ERROR

Excessive Position Error Fault

Cause: The position error of the position control loop has exceeded the value given by Position Error Tolerance for a time period given by Position Error Tolerance Time.



Remedy:

  • Check position loop tuning.

  • Increase the feedforward gain.

  • Verify sizing of the drive and motor.

  • Check motor power wiring.

  • Increase Position Error Tolerance and/or Position Error Tolerance Time attribute values.


FLT S55 – VEL ERROR

Excessive Velocity Error Fault

Cause: The velocity error of the velocity control loop has exceeded the value given by Velocity Error Tolerance for a time period given by Velocity Error Tolerance Time.



Remedy:

  • Check velocity loop tuning.

  • Reduce acceleration.

  • Verify sizing of the drive and motor.

  • Check motor power wiring.

  • Increase Velocity Error Tolerance and/or Velocity Error Tolerance Time attribute values.


FLT S56 – OVERTORQUE LIMIT

Overtorque Limit Fault

Cause: Motor torque has risen above user defined maximum torque level given by Overtorque Limit for a time period given by Overtorque Limit Time.



Remedy:

  • Verify Torque Trim value.

  • Verify motion profile.

  • Verify sizing of the drive and motor.

  • Increase Overtorque Limit and/or Overtorque Limit Time attribute values.


FLT S57 – UNDERTORQUE LIMIT

Undertorque Limit Fault

Cause: Motor torque has dropped below user defined minimum torque level given by Undertorque Limit for a time period given by Undertorque Limit Time.



Remedy:

  • Verify motion profile.

  • Verify sizing of the drive and motor.

  • Decrease Undertorque Limit and/or Undertorque Limit Time attribute values.


FLT M02 – MOTOR VOLTAGE

Motor Voltage Mismatch Fault

Cause: The configured voltage of the drive is greater than the motor rated voltage. For example, a 400V-class drive with a 200V-class motor.



Remedy:

  • Set the drive voltage to a lower value or replace motor with voltage rating that matches the drive.


FLT M25 – COMMON BUS

DC Common Bus Fault

Cause: AC power was detected by the drive while configured for shared DC operation.



Remedy:

  • Check the drive power configuration from controller.

  • Check wiring.


FLT M26 – RUNTIME ERROR

Runtime Error

Cause: The drive firmware encountered an unrecoverable runtime error.



Remedy:

  • Cycle control power.

  • Reset the drive.

  • Return drive for repair if fault continues.


FLT M28 – SAFETY COMM (2198-Hxxx-ERS2 drives only)

Safety Module Communication Error

Cause: Communication with the safety hardware within the drive has failed.



Remedy:

  • Cycle control power.

  • Reset the drive.

  • Return drive for repair if fault continues.


INIT FLT M01

Smart Encoder Data Corruption

Cause: The data stored in the encoder has a checksum error.



Remedy:



  • Cycle control power.

  • Return motor for repair if fault continues.


INIT FLT M02

Motor Data Range Error

Cause: A motor data attribute stored in the encoder is out of range.



Remedy:



  • Cycle control power.

  • Return motor for repair if fault continues.


INIT FLT M03

Motor Feedback Communication Startup

Cause: Communication with the encoder could not be established.



Remedy:



  • Cycle control power.

  • Check motor feedback connector.

  • Check motor power and feedback shield terminations on the drive.

  • Return motor for repair if fault continues.


INIT FLT M14

Safety Firmware

Cause: The loaded Safety firmware is not compatible with the drive firmware.



Remedy:



  • Cycle control power.

  • Update the drive firmware.

  • Return drive for repair if fault continues.


INIT FLT M20

Unknown Module

Cause: The product code of the power board is invalid.



Remedy:



  • Cycle control power.

  • Reset the drive.

  • Return drive for repair if fault continues.


INHIBIT S02

Motor Not Configured

Cause: The motor has not been properly configured for use.



Remedy:



  • Verify motor configuration in the Logix Designer application.


INHIBIT S03

Feedback Not Configured

Cause: The feedback has not been properly configured for use.



Remedy:



  • Verify feedback configuration in the Logix Designer application.


INHIBIT M05

Start Inhibit – Safe Torque Off

Cause: The safety function has disabled the power structure.



Remedy:



  • Check safety input wiring.

  • Check state of safety devices.


NODE FLT 01

Control Connection Update Fault

Cause: Several consecutive updates from the controller have been lost.



Remedy:



  • Remove unnecessary network devices from the motion network.

  • Change network topology so that fewer devices share common paths.

  • Use high performance network equipment.

  • Use shielded cables.

  • Separate signal wiring from power wiring.


NODE FLT 02

Processor Watchdog Fault

Cause: The processor on the power board or control board failed to update in a certain amount of time. (The nn sub-codes 00…06 are internal).



Remedy:



  • Cycle control power.

  • Update the drive firmware.

  • Return drive for repair if fault continues.


NODE FLT 03 – HARDWARE 00

Hardware Fault -PwrIF

Cause: Communication with the power board could not be established.



Remedy:



  • Cycle control power.

  • Update the drive firmware.

  • Return drive for repair if fault continues.


NODE FLT 03 – HARDWARE 01

Hardware Fault – Power Board

Cause: DSP chip on the power board failure.



Remedy:



  • Cycle control power.

  • Return motor for repair if fault continues.


NODE FLT 03 – HARDWARE 02

Hardware Fault – DSL

Cause: Communication with the encoder could not be established.



Remedy:



  • DSL feedback wiring is incorrect (check against wiring diagram).

  • DSL feedback wiring is shorted or open.

  • DSL feedback cable is defective.

  • Kinetix VP motor feedback device is defective.

  • Cycle power.

  • Return drive for repair if fault continues.


NODE FLT 03 – HARDWARE 03

DSL Internal Hardware Fault

Cause: A DSL hardware error internal to the drive was detected.



Remedy:



  • Check DSL feedback device, wiring, and cable.

  • Cycle power.

  • Return drive for repair if fault continues.


NODE FLT 03 – HARDWARE 04

Hardware Fault – Board Compatibility

Cause: The control and power boards are incompatible.



Remedy:



  • Return drive for repair if fault continues.


NODE FLT 05

Clock Skew Fault

Cause: The controller time and the drive’s system time are not the same.



Remedy:



  • Cycle control power.

  • Check controller and Ethernet switch operation.


NODE FLT 06

Lost Controller Connection Fault

Cause: Communication with the controller has been lost.



Remedy:



  • Check Ethernet connection.

  • Check controller and Ethernet switch operation.


NODE FLT 07

Clock Sync Fault

Cause: Drive’s local clock has lost synchronization with controller’s clock and was not able to resynchronize within allotted time.



Remedy:



  • Check Ethernet connection.

  • Check controller and Ethernet switch operation.


NODE FLT 09

Duplicate IP Address Fault

Cause: Several consecutive updates from the controller have been lost.



Remedy:



  • Select an IP address not already in use on the network.


NODE ALARM 01

Control Connection Update Alarm

Cause: Updates from the controller have been late.



Remedy:



  • Remove unnecessary network devices from the motion network.

  • Change network topology so that fewer devices share common paths.

  • Use high performance network equipment.

  • Use shielded cables.

  • Separate signal wiring from power wiring.


NODE ALARM 03

Clock Jitter Alarm

Cause: The sync variance has exceeded the sync threshold while the device is running in sync mode.



Remedy:



  • Check the Ethernet connection.

  • Check controller and Ethernet switch operation.


NODE ALARM 04

Clock Skew Alarm

Cause: The controller time and the drive’s time are not the same.



Remedy:



  • Check the Ethernet connection.

  • Check controller and Ethernet switch operation.


NODE ALARM 05

Clock Sync Alarm

Cause: Drive’s local clock has lost synchronization with controller’s clock for a short time during synchronous operation.



Remedy:



  • Check the Ethernet connection.

  • Check controller and Ethernet switch operation.