Troubleshooting your Allen Bradley PowerFlex 40 AC drive begins with a fault condition that occurs while operating or starting up. The status of your drive is monitored at all times and any changes in the status will be indicated through the keypad. A fault is a condition that stops the drive and there are two types of fault conditions. The first being an auto-reset/run fault. When this type of fault occurs, user settings can be configured that will automatically restart the drive or even wait for a predetermined amount of time and then attempt a restart if the fault condition is no longer present. The second type of fault condition is a non-resetable fault. This type of fault is more of a major fault and may require more in-depth analysis or action such as drive or motor repair. It is also possibly caused by wiring or programming errors. The cause of the fault will have to be corrected before the fault can be reset and the drive started.
The following is a listing of the possible fault codes of the Allen Bradley PowerFlex 40 drive and short descriptions of the causes.
F2 Auxiliary Input – Auxiliary input interlock is open
F3 Power Loss – DC bus voltage is below 85% of nominal
F4 UnderVoltage – DC bus voltage is below minimum value
F5 OverVoltage – DC bus voltage is over maximum value
F6 Motor Stalled – Drive is not able to accelerate motor
F7 Motor Overload – Internal electronic overload trip
F8 Heatsink Overtemp – Heatsink temperature exceeds set value
F12 HW OverCurrent – The drive output current has exceeded the hardware current limit
F13 Ground Fault – A current path to ground has been detected at one or more output terminals
F29 Analog Input Loss – A signal loss at an analog input has occurred
F33 Auto Restart Tries – Drive failed to reset a fault and resume running
F38 Phase U to Ground – A phase to ground fault has been detected in this phase
F39 Phase V to Ground – A phase to ground fault has been detected in this phase
F40 Phase W to Ground – A phase to ground fault has been detected in this phase
F41 Phase UV Short – Excessive current has been detected between these two output terminals
F42 Phase UW Short – Excessive current has been detected between these two output terminals
F43 Phase VW Short – Excessive current has been detected between these two output terminals
F48 Parameters Defaulted – Drive was commanded to write default values to EEPROM
F63 SW OverCurrent – Programmed current trip has been exceeded
F64 Drive Overload – Drive rating of 150% for 1 minute or 200% for 3 seconds exceeded
F70 Power Unit – Failure has been detected in the drive power section
F71 Net Loss – The communication network has faulted
F80 SVC Autotune – Autotune function has failed or was cancelled by the user
F81 Comm Loss – RS485 (DSI) port has stopped communicating
F100 Parameter Checksum – The checksum read does not match the checksum calculated
F122 I/O Board Fail – Failure has been detected in the drive control and I/O section
F3 Power Loss – DC bus voltage is below 85% of nominal
F4 UnderVoltage – DC bus voltage is below minimum value
F5 OverVoltage – DC bus voltage is over maximum value
F6 Motor Stalled – Drive is not able to accelerate motor
F7 Motor Overload – Internal electronic overload trip
F8 Heatsink Overtemp – Heatsink temperature exceeds set value
F12 HW OverCurrent – The drive output current has exceeded the hardware current limit
F13 Ground Fault – A current path to ground has been detected at one or more output terminals
F29 Analog Input Loss – A signal loss at an analog input has occurred
F33 Auto Restart Tries – Drive failed to reset a fault and resume running
F38 Phase U to Ground – A phase to ground fault has been detected in this phase
F39 Phase V to Ground – A phase to ground fault has been detected in this phase
F40 Phase W to Ground – A phase to ground fault has been detected in this phase
F41 Phase UV Short – Excessive current has been detected between these two output terminals
F42 Phase UW Short – Excessive current has been detected between these two output terminals
F43 Phase VW Short – Excessive current has been detected between these two output terminals
F48 Parameters Defaulted – Drive was commanded to write default values to EEPROM
F63 SW OverCurrent – Programmed current trip has been exceeded
F64 Drive Overload – Drive rating of 150% for 1 minute or 200% for 3 seconds exceeded
F70 Power Unit – Failure has been detected in the drive power section
F71 Net Loss – The communication network has faulted
F80 SVC Autotune – Autotune function has failed or was cancelled by the user
F81 Comm Loss – RS485 (DSI) port has stopped communicating
F100 Parameter Checksum – The checksum read does not match the checksum calculated
F122 I/O Board Fail – Failure has been detected in the drive control and I/O section
POWERFLEX 40 FAULT CODES
Reviewed by Surjeet Roy
on
August 14, 2019
Rating:
Reviewed by Surjeet Roy
on
August 14, 2019
Rating:
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