S 01 Axis enable input |
Cause: Axis Enable Input is not active.
Remedy:
- Check wiring and 24V source for drive ENABLE Input.
- Disable enableInputChecking attribute by using a message instruction.
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S 02 Motor not configured |
Cause: Faulty intelligent encoder or incorrect motor file.
Remedy:
- Cycle power or reset the drive.
- Check that proper motor has been selected in Logix Designer Application.
- Replace motor if faulting continues.
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S 03 Feedback not configured |
Cause: The associated feedback device has not been configured for use or the configuration does not match what is connected.
Remedy:
- Verify feedback configuration matches connected device.
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Sc05 Safe torque off |
Cause: The safety function has disabled the power structure.
Remedy:
- Apply 24V sources to safety circuit.
- Use jumpers to bypass safety circuit.
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F 02 Illegal Hall State |
Cause: Improper connections.
Remedy:
- Check wiring of S1, S2, and S3.
- Check the power supply to the encoder.
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F 03 Motor Overspeed |
Cause: Motor speed has exceeded 125% of maximum rated speed.
Remedy:
- Check motor wire phasing.
- Check cables for noise.
- Check tuning.
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F 05 Motor Overtemperature |
Cause: High motor ambient temperature and/or Excessive Current.
Remedy:
- Check motor wiring at motor feedback (MF) connector.
- Check TS+ and COM wiring.
- Operate within (not above) the continuous torque rating for the ambient temperature.
- Lower ambient temperature or increase motor cooling.
- Verify that the proper motor has been selected.
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F 07 Motor Thermal Protection |
Cause: The machine duty cycle requires an RMS current that exceeds the continuous rating of the motor.
Remedy:
- Change the command profile to reduce speed or increase time.
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F 10 Inverter Overcurrent |
Cause:
– Motor cables shorted.
– Motor winding shorted internally.
– Drive temperature too high.
– Loss of TTL signal.
Remedy:
- Verify continuity of motor power cable and connector.
- Disconnect motor power cables; check phase-to-phase is not open and phase-to-ground is open.
- Check for clogged vents, defective fan, or insufficient space around unit.
- Operate within continuous power rating.
- Check AM+, AM-, BM+, and BM- signals.
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F 11 Inverter Overtemperature |
Cause: Drive fan failed, High cabinet ambient temperature, or Blocked airflow.
Remedy:
- Replace the failed drive.
- Check cabinet temperature (See specifications).
- Change the command profile to reduce speed or increase time.
- Check airflow and reroute cables away from drive system.
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F 13 Inverter Thermal Protection |
Cause: Machine duty cycle exceeds continuous rating OR Motor brake on.
Remedy:
- Change the command profile to reduce speed or increase time.
- Turn off motor brake.
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F 33 Bus Undervoltage |
Cause: DC bus voltage is below limits (460V system < 275V, 230V system < 137V, 120V system < 80V).
Remedy:
- Verify the voltage level of the incoming AC power.
- Check AC power source for glitches or line drop.
- Install an uninterruptible power supply (UPS) on your AC input.
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F 35 Bus Overvoltage |
Cause: Excessive regeneration of power, external mechanical power source, or high AC line voltage.
Remedy:
- Change the deceleration or motion profile.
- Use a larger system (motor and drive).
- Install shunt resistor.
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F 43 Feedback Loss |
Cause: The motor feedback wiring is open, shorted, or missing; OR Excessive noise on feedback signals.
Remedy:
- Check motor encoder wiring.
- Run Hookup test in RSLogix 5000 software.
- Use shielded cables, route feedback away from potential noise sources.
- Check system grounds, replace motor/encoder.
- Verify Attribute #2703 (0=Lost, 1=Bad Hall, 2=Sin/Cos Limit, 3=Noise).
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F 45 Feedback Serial Comms |
Cause: Communication was not established with an intelligent encoder.
Remedy:
- Verify motor selection.
- Verify motor encoder wiring.
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F 47 Feedback Self Test |
Cause: Damage to feedback device.
Remedy:
- Call Rockwell Automation sales representative to return the motor for repair.
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F 50 Hardware Overtravel – Positive |
Cause: Dedicated overtravel input is inactive.
Remedy:
- Check wiring.
- Verify motion profile.
- Verify axis configuration in software.
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F 51 Hardware Overtravel – Negative |
Cause: Dedicated overtravel input is inactive.
Remedy:
- Check wiring.
- Verify motion profile.
- Verify axis configuration in software.
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F 54 Excessive Position Error |
Cause: Partial loss of feedback signals, Improperly sized drive/motor, or Mechanical system out of specifications.
Remedy:
- Check all wiring at the motor feedback (MF) connector.
- Verify the sizing of the system.
- Increase feed forward gain or following error limit.
- Check position loop tuning.
- Verify mechanical integrity of system.
- Check motor power wiring.
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F 55
Excessive Velocity Error |
Cause:
- Partial loss of feedback signals.
- Improperly sized drive or motor.
- Mechanical system out of specifications.
Remedy:
- Check all wiring at motor feedback (MF) connector.
- Increase velocity error limit or time.
- Check velocity loop tuning.
- Verify sizing of system.
- Verify mechanical integrity of system within specification limits.
- Check motor power wiring.
- Reduce acceleration.
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F 56
Overtorque Limit |
Cause:
- Overly aggressive motion profile.
- Mechanical binding.
- Mechanical system out of specifications.
Remedy:
- Verify motion profile.
- Verify that Overtorque settings are appropriate.
- Verify sizing of system.
- Verify torque offset.
- Verify mechanical integrity of system within specification limits.
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F 57
Undertorque Limit |
Cause:
- Improperly configured limit.
- Improperly configured motion.
- Improperly drive/motor sizing.
- Mechanical system out of specifications.
Remedy:
- Verify motion profile.
- Verify that Overtorque settings are appropriate.
- Verify sizing of system.
- Verify mechanical integrity of system within specification limits.
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F 61
Drive Enable Input |
Cause:
- An attempt was made to enable the axis through software while the Drive Enable hardware input was inactive.
- The Drive Enable input transitioned from active to inactive while the axis was enabled.
Remedy:
- Check wiring of drive enable input.
- Check 24V source.
- Verify that Drive Enable hardware input is active whenever the drive is enabled through the software.
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F 62
Controller Initiated Exception |
Cause:
User configured software overtravel.
Remedy:
- Move axis out of soft overtravel range.
- Clear soft overtravel fault.
- Check soft overtravel configuration.
- Consult controller documentation.
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Fc 02
Motor Voltage Mismatch |
Cause:
Wrong motor has been connected to drive.
Remedy:
Connect appropriate motor to drive.
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Fc 05
Motor Encoder Battery Loss |
Cause:
Weak battery or poor battery connection.
Remedy:
- Replace battery.
- Check battery connection.
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Fc 06
Motor Encoder Battery Low |
Cause:
The battery voltage on a battery-backed motor encoder is low enough such that a power loss causes the absolute position to be lost.
Remedy:
(See Fc 05: Replace battery / Check connection).
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Fc 14
Excessive Current Feedback Offset |
Cause:
Current in one or more phases have been lost or remains below a preset level.
Remedy:
Replace the drive.
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Fc 26
Runtime Drive Error |
Cause:
The drive firmware encountered an unrecoverable runtime error.
Remedy:
- Cycle control power.
- Replace drive.
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Ic 01
Boot Block Check Sum Fault |
Cause:
Faulty intelligent encoder.
Remedy:
- Cycle power or reset the drive.
- Replace motor if faulting continues.
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Ic 02
Motor Data Range Error |
Cause:
Faulty intelligent encoder or incorrect motor file.
Remedy:
- Cycle power or reset the drive.
- Check validity of the motion database.
- Replace motor if faulting continues.
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Ic 03
Motor Feedback Communication Startup |
Cause:
- An incorrect motor has been selected or connected.
- Faulty wiring.
Remedy:
- Check motor selection.
- Check motor encoder wiring.
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Ic 06
Motor Absolute Startup Speed |
Cause:
Mechanical movement of the machine has caused excessive rotation of the motor during powerup (>100 rpm).
Remedy:
Allow machine motion to stop before powerup.
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L001
Identity block corrupted |
Cause: Unrecoverable error while starting the drive.
Remedy: Reload the firmware and restart the drive. If message repeats, contact Rockwell Automation technical support.
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L002
Firmware file load failed |
Cause: Unrecoverable error while starting the drive.
Remedy: Reload the firmware and restart the drive. If message repeats, contact Rockwell Automation technical support.
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L004
Firmware not programmed (drive is new) |
Cause: Drive is new or memory wiped.
Remedy: Reload the firmware and restart the drive.
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L008
DSP load operation failed |
Cause: Unrecoverable error while starting the drive.
Remedy: Reload the firmware and restart the drive. If message repeats, contact Rockwell Automation technical support.
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P001 – P007
POST (Power-on Self Test) Failure |
Cause:
- P001: SDRAM test failed
- P002: FPGA load operation failed
- P004: DPRAM Test failed
- P005: DSP I/F to DPram – no DSP response
- P006: I/F to DPram failed
- P007: Firmware file md5 test failure
Remedy:
Unrecoverable error during POST. Contact Rockwell Automation technical support to return the drive for repair.
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nF 01
Control Update Fault |
Cause:
- Excessive network traffic.
- Noisy environment.
Remedy:
- Remove unnecessary network devices from the motion network.
- Change the network topology so that fewer devices share common paths.
- Use faster/higher performance network equipment.
- Isolate signal wiring from power wiring.
- Use shielded cables.
- Add snubbers to power devices.
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nF 02
Processor Watchdog Fault |
Cause:
The watchdog-circuit monitoring processor operation detected a problem.
Remedy:
- Recycle control power or reset the drive.
- Replace the control module if the problem persists.
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nF 03
Hardware Fault |
Cause:
- The drive has an internal hardware problem.
- Faulty memory component (Nonvolatile write failure).
Remedy:
- Recycle control power or reset the drive.
- Replace the drive if problem persists.
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nF 04
Data Format Error |
Cause:
Faulty memory component (Data format error discovered in controller-to-drive message).
Remedy:
- Recycle control power or reset the drive.
- Replace the control module if problem persists.
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