Nidec & Control Technique Commander S Drive

Fault Code and MeaningCause and Remedy
A0
Motor Overload

Cause: Motor Thermal Percentage (P1.22) is larger than 75 % and the current magnitude is larger than the motor rated value.



Remedy:

  • Reduce the load on the motor.

  • Check for a jammed motor shaft.


A1
Drive Overload

Cause: Drive Thermal Percentage (P1.23) is > 95 %. The alarm will be cleared when Drive Thermal Percentage is < 75 %.



Remedy:

  • Reduce load on motor or ambient temperature of the drive.


A2
Auto-tune Active

Cause: Will be reset when auto-tune complete.



Remedy:

  • Wait for auto-tune to complete.


A3
Limit Switch Active

Cause: A digital input has been configured as a limit switch and is active.



Remedy:

  • Rotate the motor away from the limit switch.

  • See Sequencer Input and Output Indicators (P1.11) and Digital IO Indicators (P1.25).


A4
Supply Phase Loss or Imbalance

Cause: The drive has detected a supply phase loss or a large imbalance between the phases.



Remedy:

  • Check supply fuses to the drive.

  • Check the voltage on each phase is equal.


A5
Analog Input Current Loop Loss

Cause: The input current of an analog input (T2 or T4) has fallen below 3 mA. See Analog Input 1 Type (P6.01).



Remedy:

  • Check current loop master is powered.

  • Check the integrity of the wiring.


A6
Current Limit Active

Cause: The drive is at its current limit.



Remedy:

  • Increase time set in Acceleration Rate 1 (P2.06).

  • Reduce the load on the motor.


A7
I/O Overload

Cause: The current demand on the drive 24 V circuit has exceeded 100 mA.



Remedy:

  • Check 24 V output, digital output and 485 port for a current overload condition or potential short.


E000
None

Cause: No error.



Remedy:

  • No action required.


E001
DC Over Voltage

Cause: The D.C. bus voltage has exceeded the maximum D.C. bus voltage (Instant Threshold or Delay Threshold exceeded).



Remedy:

  • Increase deceleration ramp rate parameter values in Deceleration Rate 1 (P2.07) and Rate 2 (P2.09).

  • Consider enabling S-Ramps (P2.05) if the problem occurs at the start of deceleration.

  • Consider reducing Standard Ramp Voltage (P2.12) if seen during deceleration.

  • Check nominal A.C. supply level.

  • Check for supply disturbances which could cause the D.C. bus level to rise.

  • Check motor insulation using an insulation tester.


E003
Over Current

Cause: The instantaneous drive output current has exceeded the over current threshold of the drive.



Remedy:

  • Increase time taken for the drive to accelerate/decelerate.

  • Check for short circuit on the output cabling.

  • Check integrity of the motor insulation using an insulation tester.

  • Check the motor cable length is within limits of the drive.

  • Reduce the value set in Current Loop Gain (P3.23).


E006
External Error

Cause: An external error has been generated by a digital input when configured as External Error (14).



Remedy:

  • Check the external device/source triggering the digital input.


E007
Motor Over Speed

Cause: Ramp Output (P1.14) has exceeded the threshold defined by 1.2 x Maximum Frequency Limit (P2.02).



Remedy:

  • Check that the motor is not being driven by another part of the system.


E009
Capacitor Failed

Cause: The D.C. bus capacitors have failed.



Remedy:

  • Contact the supplier of the drive.


E018
Tune Interrupted

Cause: The drive was prevented from completing an auto-tune, because either the drive enable or the drive run signals were removed.



Remedy:

  • Ensure the drive enable signal is active for the entire auto-tune.

  • Ensure a run signal (Run Forward, Run Reverse or Run) is active for the entire auto-tune.

  • If these signals are supplied by a digital input, check the states of the IO using Digital IO Indicators (P1.25).


E020
Motor Temp

Cause: The drive has estimated that the motor has become too hot based on the Motor Rated Current (P3.01) and Thermal Protection Action (P3.21).



Remedy:

  • Ensure the load is not jammed / sticking.

  • Check the load on the motor has not changed.

  • Ensure the motor rated current is correct.


E021
Drive Temp 1

Cause: An IGBT junction over-temperature has been detected.



Remedy:

  • Check enclosure temperature.

  • Check enclosure / drive fans are still functioning correctly.

  • Clean the fan filter if being used.

  • Check enclosure ventilation paths.

  • Check enclosure door filters.

  • Increase ventilation.

  • Reduce duty cycle.

  • Increase acceleration / deceleration rate parameter values.

  • Reduce motor load.

  • Ensure all three supply phases are present and balanced.

  • Confirm the drive is correctly sized for the application.

  • Use a drive with larger current / power rating.


E023
Drive Temp 2

Cause: A power stage over-temperature has been detected.



Remedy:

  • See Drive Temp 1.


E027
Drive Temp 3

Cause: A D.C. bus component over temperature has been detected.



Remedy:

  • See Drive Temp 1.


E028
An In 1 Current

Cause: A current loss was detected in T2 analog input 1 and the input type is set to 4-20 mA Error. Loss of input detected if current falls below 3 mA.



Remedy:

  • Check control wiring is correct.

  • Check control wiring is undamaged.

  • Check T2 Analog Input 1 Type (P6.01).

  • Check the current signal is present and greater than 3 mA.


E029
An In 2 Current

Cause: A current loss was detected in T4 analog input 2 and the input type is set to 4-20 mA Error. Loss of input detected if current falls below 3 mA.



Remedy:

  • Check control wiring is correct.

  • Check control wiring is undamaged.

  • Check T4 Analog Input 2 Type (P6.02).

  • Check the current signal is present and greater than 3 mA.


E030
Watchdog Timeout

Cause: Once the control word has been enabled, it must continue to be written to at least once a second to prevent a Watchdog Timeout error.



Remedy:

  • Ensure the control word is being written to cyclically.


E032
Supply Phase

Cause: The drive has detected a supply phase loss or large supply imbalance.



Remedy:

  • Check the A.C. supply voltage balance and level at full load.

  • Check the output current stability.

  • Reduce the duty cycle.

  • Reduce the motor load.


E033
Motor Resistance

Cause: The auto-tune test to measure the motor stator resistance has failed because the output current failed to rise to the correct level.



Remedy:

  • Check the motor cable / connections.

  • Check the integrity of the motor stator windings using an insulation tester.

  • Check the motor phase to phase resistance at the drive terminals.

  • Check the motor phase to phase resistance at the motor terminals.

  • Select Linear V to F (1) in Motor Control Mode (P3.05) and verify output waveforms.

  • Replace the motor.


E034
Remote Keypad

Cause: A remote keypad has been removed whilst the RUN and STOP buttons have been configured to Run/Stop the drive.



Remedy:

  • Check cable connection.


E035
Control Word

Cause: Bit 12 (Control Word Error) in Binary Control Word (P4.18) has been set to 1 whilst the control word is enabled (bit 15 = 1).



Remedy:

  • Check control system logic for Bit 12 activation.


E036
User Save

Cause: The user-save parameters have been corrupted.



Remedy:

  • Restore Factory Defaults (P4.01).


E037
Power Down Save

Cause: The power down save parameters have been corrupted.



Remedy:

  • Restore Factory Defaults (P4.01).


E093
Inter-Processor

Cause: Communication between the control board processor and the power stage processor has been lost (likely noise).



Remedy:

  • Follow guidance in section 4.7 Electromagnetic compatibility (EMC).


E098
Motor Phase

Cause: Motor Phase Loss Detection (P4.15) is enabled and a motor phase loss has been detected.



Remedy:

  • Check motor and drive connections.

  • Check cable integrity.


E099
Save Blocked

Cause: A save has been triggered while Marshal is attempting to communicate with the drive.



Remedy:

  • Save parameter settings using Save Parameters (P4.19).


E172
Fire Mode Error

Cause: Fire mode has been deactivated and errors were suppressed while the drive was in fire mode.



Remedy:

  • See Error History 1 (P1.30) to Error History 3 (P1.32).


E189
An In 1 Overload

Cause: The input current on T2 analog input 1 has exceeded 24 mA.



Remedy:

  • Check control wiring is correct.

  • Check control wiring is undamaged.

  • Check T2 Analog Input 1 Type (P6.01).


E190
An In 2 Overload

Cause: The input current on T4 analog input 2 has exceeded 24 mA.



Remedy:

  • Check control wiring is correct.

  • Check control wiring is undamaged.

  • Check T4 Analog Input 2 Type (P6.02).


E216
Firmware Fault 1

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E220
Firmware Fault 2

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E222
Firmware Fault 3

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E224
Firmware Fault 4

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E228
Ground fault

Cause: The drive has detected a ground (earth) fault on the motor cable/windings.



Remedy:

  • Check for short circuit to ground (earth) on the output cables.

  • Check the integrity of the motor insulation using an insulation tester.


E232
Firmware Fault 5

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E235
Firmware Fault 6

Cause: Hardware fault.



Remedy:

  • Contact the supplier of the drive.


E245
Firmware Fault 7

Cause: A firmware update has been interrupted.



Remedy:

  • Restart the drive.

  • If the firmware was being downloaded, try again.

  • If the issue persists this could indicate a hardware fault – Contact the supplier of the drive.


E251
Saved Corrupted

Cause: This error indicates that parameter data has been corrupted.



Remedy:

  • Restore factory defaults (P4.01).


E252
Database Changed

Cause: A firmware update has been interrupted. The firmware has been changed but the project parameter values have been lost.



Remedy:

  • Restore Factory Defaults (P4.01).