| Fault Codes | Cause & Solutions |
|---|---|
| F2 Auxiliary Input | Cause : Auxiliary input interlock is open. Solution: – Check remote wiring. – Verify communications programming for intentional fault. |
| F3 Power Loss | Cause: Excessive DC Bus voltage ripple. Solution: – Monitor the incoming AC line for low voltage or line power interruption. – Check input fuses. – Reduce load. |
| F4 UnderVoltage | Cause: DC bus voltage fell below the min value. Solution: Monitor the incoming AC line for low voltage or line power interruption. |
| F5 OverVoltage | Cause: DC bus voltage exceeded max value. Solution: – Monitor the AC line for high line voltage or transient conditions. – Bus overvoltage can also be caused by motor regeneration. – Extend the decel time or install dynamic brake option. |
| F7 Motor Overload | Cause: Internal electronic overload trip. Solution: – An excessive motor load exists. Reduce load so drive output current does not exceed the current set by parameter P033 [Motor OL Current]. – Verify A084 [Boost Select] setting |
| F8 Heatsink OvrTmp | Cause: Heatsink/Power Module temperature exceeds a predefined value. Solution: – Check for blocked or dirty heatsink fins. Verify that ambient temperature has not exceeded the rated ambient temperature. – Check fan. |
| F12 HW OverCurrent | Cause: The drive output current has exceeded the hardware current limit. Solution: – Check programming. – Check for excess load, improper A084 [Boost Select] setting, DC brake volts set too high or other causes of excess current. |
| F13 Ground Fault | Cause: A current path to earth ground has been detected at one or more of the drive output terminals. Solution: – Check the motor and external wiring to the drive output terminals for a grounded condition. |
| F29 Analog Input Loss | Cause: An analog input is configured to fault on signal loss. – A signal loss has occurred. – Configure with A122 [Analog In Loss]. Solution: 1. Check parameters. 2. Check for broken/loose connections at inputs. |
| F33 Auto Rstrt Tries | Cause: Drive unsuccessfully attempted to reset a fault and resume running for the programmed number of A092 [Auto Rstrt Tries]. Solution: Correct the cause of the fault and manually clear. |
| F38 Phase U to Gnd | Cause: A phase to ground fault has been detected between the drive and motor in this phase. Solution: – Check the wiring between the drive and motor. – Check motor for grounded phase. – Replace drive if fault cannot be cleared. |
| F39 Phase V to Gnd | Cause: A phase to ground fault has been detected between the drive and motor in this phase. Solution: – Check the wiring between the drive and motor. – Check motor for grounded phase. – Replace drive if fault cannot be cleared. |
| F40 Phase W to Gnd | Cause: A phase to ground fault has been detected between the drive and motor in this phase. Solution: – Check the wiring between the drive and motor. – Check motor for grounded phase. – Replace drive if fault cannot be cleared. |
| F41 Phase UV Short | Cause: Excessive current has been detected between these two output terminals. Solution: – Check the motor and drive output terminal wiring for a shorted condition. – Replace drive if fault cannot be cleared. |
| F42 Phase UW Short | Cause: Excessive current has been detected between these two output terminals. Solution: – Check the motor and drive output terminal wiring for a shorted condition. – Replace drive if fault cannot be cleared. |
| F43 Phase VW Short | Cause: Excessive current has been detected between these two output terminals. Solution: – Check the motor and drive output terminal wiring for a shorted condition. – Replace drive if fault cannot be cleared. |
| F48 Params Defaulted | Cause: The drive was commanded to write default values to EEPROM. Solution: – Clear the fault or cycle power to the drive. – Program the drive parameters as needed. |
| F63 SW OverCurrent | Cause: Programmed A098 [SW Current Trip] has been exceeded. Solution: – Verify connections between motor and load. – Check load requirements and A098 [SW Current Trip] setting. |
| F64 Drive Overload | Cause: Drive overload rating has been exceeded. Drive rating of 150% for 1 minute or 200% for 3 seconds has been exceeded. Solution: Reduce load or extend Accel Time. |
| F70 Power Unit | Cause: Failure has been detected in the drive power section. Solution: – Check that max ambient temperature has not been exceeded. – Cycle power. – Replace drive if fault cannot be cleared. |
| F71 Net Loss | Cause: The communication network has faulted. Solution: – Cycle power. – Check communications cabling. – Check network adapter setting. – Check external network status. |
| F80 SVC Autotune | Cause: The autotune function was either cancelled by the user or failed. Solution: – Restart procedure. |
| F81 Comm Loss | Cause: RS-485 (DSI) port stopped communicating. Solution: 1. If adapter was not intentionally disconnected, check wiring to the port. Replace wiring, port expander, adapters or complete drive as required. 2. Check connection. 3. An adapter was intentionally disconnected. 4. Turn off using A105 [Comm Loss Action]. |
| F91 Encoder Loss | Cause: Requires differential encoder.One of the 2 encoder channel signals is missing. Solution: 1. Check Wiring. 2. If P038 [Speed Reference] = 9 “Positioning” and E216 [Motor Fdbk Type] = 5 “Quad Check” swap the Encoder channel inputs or swap any two motor leads. 3. Replace encoder. |
| F100 Parameter Chksum | Cause: The checksum read from the board does not match the checksum calculated. Solution: Set P041 [Reset To Defalts] to option 1 “Reset Defaults”. |
| F111 Enable Hardware | Cause & Solutions: 1. DriveGuard Safe-Off Option (Series B) board is installed and the ENBL enable jumper has not been removed. – Remove the ENBL enable jumper. – Cycle power. 2. DriveGuard Safe-Off Option (Series B) board has failed. – Remove power to the drive. – Replace DriveGuard Safe-Off Option (Series B) board. 3. Hardware Enable circuitry has failed. – Replace drive. |
| F122 I/O Board Fail | Cause: Failure has been detected in the drive control and I/O section. Solution: – Cycle power. – Replace drive if fault cannot be cleared. |
| F6 Motor Stalled | Cause: Drive is unable to accelerate or decelerate motor. Solution: – Increase P039…A067 [Accel Time x] or reduce load so drive output current does not exceed the current set by parameter A089 [Current Limit]. – Check for overhauling load. |