Drives (VFDs)
ABB ACS580 VFD fault codes
What all 191 ABB ACS580 VFD fault codes mean, in plain words, with a risk grade for each. These come from the manufacturer's own manual. The fix for each one is in WERCS Diagnose.
Get the fixes · plans from $49/moUpdated November 4, 2026
| Code | What it means | Risk |
|---|---|---|
| 1080 | Backup/Restore timeout The control panel or PC tool failed to communicate during a backup or restore, stopping the process. | YELLOW |
| 1081 | Rating ID fault The drive software cannot read the rating ID, which causes the drive to fault and stop. | YELLOW |
| 2281 | Calibration The measured offset of the output phase current is too great, causing the drive to stop. | YELLOW |
| 2310 | Overcurrent The output current has exceeded the internal fault limit, which causes the drive to stop operating. | RED |
| 2330 | Earth leakage The drive has detected a load unbalance from an earth fault, causing it to stop the motor. | RED |
| 2340 | Short circuit A short circuit has occurred in the motor or its cables, causing the drive to stop immediately. | RED |
| 2381 | IGBT overload The internal temperature is excessive due to an overload, which causes the drive to stop for protection. | RED |
| 3130 | Input phase loss The internal DC voltage is oscillating due to a missing input phase, causing the drive to stop. | YELLOW |
| 3181 | Wiring or earth fault The input power and motor cables are connected incorrectly, which prevents the drive from operating safely. | RED |
| 3210 | DC link overvoltage The intermediate circuit DC voltage is excessive, which causes the drive to stop to protect itself. | RED |
| 3220 | DC link undervoltage The intermediate circuit DC voltage is too low, which causes the drive to stop operating. | YELLOW |
| 3381 | Output phase loss A motor circuit fault has occurred because the output phases are disconnected, stopping the drive. | YELLOW |
| 4110 | Control board temperature The control unit temperature is too high, which causes the drive to stop working. | RED |
| 4210 | IGBT overtemperature The estimated drive IGBT temperature is excessive, causing the drive to shut down. | RED |
| 4290 | Cooling The drive module temperature is excessive, which forces the drive to stop operating. | RED |
| 42F1 | IGBT temperature The drive IGBT temperature is excessive, which causes the drive to stop running. | RED |
| 4310 | Excess temperature The power unit module temperature is excessive, causing the drive to shut down. | RED |
| 4380 | Excess temperature difference A high temperature difference exists between the IGBTs of different phases, stopping the drive. | RED |
| 4981 | External temperature 1 The first measured external temperature has exceeded its fault limit, stopping the drive. | RED |
| 4982 | External temperature 2 The second measured external temperature has exceeded its fault limit, stopping the drive. | RED |
| 4990 | CPTC-02 not found The extension module is not detected in the second option slot, stopping the drive. | YELLOW |
| 4991 | Safe motor temperature The extension module indicates a high motor temperature or disconnected thermistor, stopping the drive. | RED |
| 5080 | Fan The cooling fan feedback is missing on larger frames, causing the drive to stop. | YELLOW |
| 5081 | Auxiliary fan broken An auxiliary cooling fan is stuck or disconnected, which causes the drive to stop. | YELLOW |
| 5089 | SMT circuit malfunction A safe motor temperature fault is generated without a corresponding event, stopping the drive. | YELLOW |
| 5090 | STO hardware failure The safe torque off diagnostics detected a hardware failure, causing the drive to stop. | RED |
| 5091 | Safe torque off The safe torque off function is active due to a broken safety circuit signal, stopping the drive. | RED |
| 5092 | PU logic error The power unit memory has cleared, which forces the drive to stop operating. | YELLOW |
| 5093 | Rating ID mismatch The drive hardware does not match the information stored in memory, stopping the drive. | YELLOW |
| 5094 | Measurement circuit temperature A problem exists with the internal temperature measurement, causing the drive to stop. | YELLOW |
| 5098 | I/O communication loss The drive will stop functioning properly due to a communication failure with the standard input and output modules. | YELLOW |
| 50A0 | Fan The cooling fan is stuck or disconnected, which causes the drive to overheat and shut down. | YELLOW |
| 5681 | PU communication Communication errors are detected between the control unit and power unit, stopping the drive. | YELLOW |
| 5682 | Power unit lost The connection between the drive control unit and the power unit is lost, stopping the drive. | YELLOW |
| 5691 | Measurement circuit ADC A measurement circuit fault has occurred, which causes the drive to stop operating. | YELLOW |
| 5692 | PU board powerfail A power unit power supply failure has occurred, which causes the drive to stop. | YELLOW |
| 5693 | Measurement circuit DFF A measurement circuit fault has occurred inside the drive, which forces the equipment to shut down safely. | YELLOW |
| 5697 | Charging feedback The charging feedback signal is missing, which causes the drive to fault and stops the booth equipment. | YELLOW |
| 5698 | Unknown PU fault The power unit logic generated an unknown fault, which forces the drive to shut down the booth motor. | YELLOW |
| 6181 | FPGA version incompatible The firmware and FPGA versions are incompatible, which causes the drive to stop. | YELLOW |
| 6200 | Checksum mismatch The actual parameter checksums do not match the approved parameter checksums, which causes the drive to issue a mismatch fault. | YELLOW |
| 6306 | FBA A mapping file A fieldbus adapter mapping file read error has occurred, causing the drive to stop. | YELLOW |
| 6481 | Task overload An internal task overload fault has occurred, which causes the drive to stop. | YELLOW |
| 6487 | Stack overflow An internal stack overflow fault has occurred, which causes the drive to stop. | YELLOW |
| 64A1 | Internal file load An internal file read error has occurred, which forces the drive to stop. | YELLOW |
| 64A4 | Rating ID fault A rating ID load error has occurred, which causes the drive to stop. | YELLOW |
| 64A6 | Adaptive program An error occurred while running the adaptive program, which causes the drive to stop. | YELLOW |
| 64B1 | Internal SSW fault An internal software fault has occurred, which forces the drive to stop operating. | YELLOW |
| 64B2 | User set fault Loading the user parameter set failed due to incompatibility or missing data, stopping the drive. | YELLOW |
| 64B3 | Macro parameterization error Macro parameterization failed due to an invalid parameter write attempt, stopping the drive. | YELLOW |
| 64E1 | Kernel overload An operating system kernel overload error has occurred, causing the drive to stop. | YELLOW |
| 64FF | Fault reset A previous fault has been cleared from the control panel or network, which allows the drive to start the booth. | GREEN |
| 6581 | Parameter system A parameter load or save operation has failed, which causes the drive to stop. | YELLOW |
| 6591 | Backup/Restore timeout A control panel failed to communicate during a backup or restore operation, stopping the drive. | YELLOW |
| 65A1 | FBA A parameter conflict The drive lacks a functionality requested by the PLC, causing the drive to stop. | YELLOW |
| 6681 | EFB comm loss A communication break occurred in the embedded fieldbus, which causes the drive to stop. | YELLOW |
| 6682 | EFB config file The embedded fieldbus configuration file could not be read, causing the drive to stop. | YELLOW |
| 6683 | EFB invalid parameterization The embedded fieldbus parameter settings are inconsistent or incompatible, causing the drive to stop. | YELLOW |
| 6684 | EFB load fault The embedded fieldbus protocol firmware could not be loaded, causing the drive to stop. | YELLOW |
| 6685 | EFB fault 2 An embedded fieldbus protocol application fault has occurred, which causes the drive to stop. | YELLOW |
| 6686 | EFB fault 3 A fault reserved for the embedded fieldbus protocol application has occurred, causing the drive to stop the booth. | YELLOW |
| 6882 | Text 32-bit table overflow An internal text table overflow fault has occurred, causing the drive to stop. | YELLOW |
| 6885 | Text file overflow An internal text file overflow fault has occurred, which causes the drive to stop. | YELLOW |
| 7081 | Control panel loss The active control panel or PC tool has ceased communicating, stopping the drive. | YELLOW |
| 7082 | I/O module comm loss Communication between the IO module and the drive is failing, stopping the drive. | YELLOW |
| 7085 | Incompatible option module An unsupported fieldbus option module is detected, which causes the drive to stop. | YELLOW |
| 7086 | AI Overvoltage An overvoltage was detected on an analog input, which causes the drive to stop. | RED |
| 7121 | Motor stall The motor is operating in a stall region due to excessive load, stopping the drive. | YELLOW |
| 7122 | Motor overload The motor current is too high, which causes the drive to stop operating. | YELLOW |
| 7181 | Brake resistor The brake resistor is broken or not connected, which causes the drive to stop. | YELLOW |
| 7183 | BR excess temperature The brake resistor temperature has exceeded its fault limit, causing the drive to stop. | RED |
| 7191 | BC short circuit A short circuit exists in the brake chopper IGBT, causing the drive to stop. | RED |
| 7192 | BC IGBT excess temperature The brake chopper IGBT temperature has exceeded its internal limit, stopping the drive. | RED |
| 7310 | Overspeed This fault means the motor is turning faster than the highest allowed speed, causing the drive to stop the equipment. | YELLOW |
| 73B0 | Emergency ramp failed An emergency stop did not finish within the expected time, stopping the drive. | YELLOW |
| 73F0 | Overfrequency The maximum allowed output frequency has been exceeded, which causes the drive to stop. | YELLOW |
| 7510 | FBA A communication Cyclical communication with the fieldbus adapter module is lost, causing the drive to stop. | YELLOW |
| 8001 | ULC underload fault A signal has been under the user underload curve too long, stopping the drive. | YELLOW |
| 8002 | ULC overload fault A signal has been over the user overload curve too long, stopping the drive. | YELLOW |
| 80A0 | AI supervision An analog signal is outside the specified limits, which causes the drive to stop. | YELLOW |
| 80B0 | Signal supervision 1 A fault was generated by the first signal supervision function, stopping the drive. | YELLOW |
| 80B1 | Signal supervision 2 A fault was generated by the second signal supervision function, stopping the drive. | YELLOW |
| 80B2 | Signal supervision 3 A fault was generated by the third signal supervision function, stopping the drive. | YELLOW |
| 80B3 | Signal supervision 4 A fault was generated by the fourth signal supervision function, stopping the drive. | YELLOW |
| 80B4 | Signal supervision 5 A fault was generated by the fifth signal supervision function, stopping the drive. | YELLOW |
| 80B5 | Signal supervision 6 A fault was generated by the sixth signal supervision function, stopping the drive. | YELLOW |
| 9081 | External fault 1 A fault has occurred in the first external device, causing the drive to stop. | YELLOW |
| 9082 | External fault 2 A fault has occurred in the second external device, causing the drive to stop. | YELLOW |
| 9083 | External fault 3 A fault has occurred in the third external device, causing the drive to stop. | YELLOW |
| 9084 | External fault 4 A fault has occurred in the fourth external device, causing the drive to stop. | YELLOW |
| 9085 | External fault 5 A fault has occurred in the fifth external device, causing the drive to stop. | YELLOW |
| A2A1 | Current calibration The current offset and gain measurement calibration will occur at the next start, which delays the booth equipment slightly. | GREEN |
| A2B1 | Overcurrent The output current has exceeded the internal fault limit, which triggers a warning while the booth equipment continues to run. | RED |
| A2B3 | Earth leakage The drive has detected a load unbalance due to an earth fault, which triggers a warning without stopping the booth. | RED |
| A2B4 | Short circuit A short circuit has been detected in the motor or cables, which triggers a warning while the equipment keeps running. | RED |
| A2BA | IGBT overload The transistor junction temperature is excessive, which triggers a warning to protect the components while the booth continues operating. | RED |
| A3A1 | DC link overvoltage The intermediate circuit direct current voltage is too high while stopped, which prevents the drive from starting the booth. | RED |
| A3A2 | DC link undervoltage The intermediate circuit direct current voltage is too low while stopped, which prevents the drive from starting the equipment. | GREEN |
| A3AA | DC not charged The voltage of the intermediate direct current circuit has not reached operating level, which prevents the booth from starting. | GREEN |
| A490 | Incorrect temperature sensor setup The temperature cannot be supervised due to an incorrect adapter setup, which triggers a warning on the drive display. | GREEN |
| A491 | External temperature 1 The first measured external temperature has exceeded its warning limit, which alerts the operator without stopping the booth equipment. | GREEN |
| A492 | External temperature 2 The second measured external temperature has exceeded its warning limit, which alerts the operator while the booth continues running. | GREEN |
| A4A0 | Control board temperature The control unit temperature is too high, which triggers a warning while the drive continues to operate the booth. | RED |
| A4A1 | IGBT overtemperature The estimated drive transistor temperature is excessive, which generates a warning without stopping the booth equipment from running. | RED |
| A4A9 | Cooling The drive module temperature is excessive, which triggers a cooling warning while the booth equipment continues to operate. | RED |
| A4B0 | Excess temperature The power unit module temperature is excessive, which causes the drive to shut down the equipment. | RED |
| A4B1 | Excess temperature difference There is a high temperature difference between the insulated-gate bipolar transistors of different phases, which causes the drive to stop. | RED |
| A4F6 | IGBT temperature The drive insulated-gate bipolar transistor temperature is excessive, which causes the equipment to stop running. | RED |
| A581 | Fan The cooling fan feedback signal is missing, which triggers a warning while the drive continues to run the booth. | GREEN |
| A582 | Auxiliary fan missing The internal auxiliary cooling fan is stuck or disconnected, which causes the drive to stop. | GREEN |
| A5A0 | Safe torque off The safe torque off function is active because a safety circuit signal is lost, causing the drive to stop. | RED |
| A5EA | Measurement circuit temperature There is a problem with the internal temperature measurement of the drive, which causes the equipment to stop. | GREEN |
| A5EB | PU board powerfail A power unit power supply failure has occurred, causing the drive to shut down. | GREEN |
| A5ED | Measurement circuit ADC A measurement circuit fault has occurred, which causes the drive to stop operating. | GREEN |
| A5EE | Measurement circuit DFF A measurement circuit fault has occurred, which causes the drive to stop operating. | GREEN |
| A5EF | PU state feedback The state feedback from the output phases does not match the control signals, causing the drive to stop. | GREEN |
| A5F0 | Charging feedback The charging feedback signal is missing, which causes the drive to stop running. | GREEN |
| A682 | Flash erase speed exceeded The flash memory has been erased too frequently and compromised its lifetime, causing the drive to fault. | GREEN |
| A686 | Checksum mismatch The actual parameter checksums do not match the approved checksums, which prevents the drive from operating. | GREEN |
| A6A4 | Motor nominal value The motor parameters are set incorrectly and the drive is not dimensioned correctly, preventing the motor from starting. | GREEN |
| A6A5 | No motor data The required motor parameters have not been set, which prevents the drive from starting the motor. | GREEN |
| A6A6 | Voltage category unselected The voltage category has not been defined, which prevents the drive from operating the motor. | GREEN |
| A6A7 | System time not set The system time is not set, meaning timed functions cannot be used and fault log dates will be incorrect. | GREEN |
| A6B0 | User lock is open The user lock is open and configuration parameters are visible, which triggers a warning on the drive. | GREEN |
| A6B1 | User pass code not confirmed A new user pass code was entered but not confirmed, which triggers a warning on the drive. | GREEN |
| A6D1 | FBA A parameter conflict The drive lacks or has not activated a functionality requested by the PLC, causing a communication fault. | GREEN |
| A6E5 | AI parametrization The hardware setting of an analog input does not match the parameter settings, causing the drive to fault. | GREEN |
| A6E6 | ULC configuration A user load curve configuration error has occurred, which causes the drive to stop operating. | GREEN |
| A780 | Motor stall The motor is operating in a stall region due to excessive load or insufficient power, causing the drive to stop. | GREEN |
| A783 | Motor overload The motor current is too high, which causes the drive to stop to protect the equipment. | GREEN |
| A784 | Motor disconnect All three output phases are disconnected from the motor, which prevents the drive from running it. | GREEN |
| A793 | BR excess temperature The brake resistor temperature has exceeded its warning limit, which triggers an alert on the drive. | RED |
| A794 | BR data The brake resistor data has not been provided, which prevents the drive from operating correctly. | GREEN |
| A79C | BC IGBT excess temperature The brake chopper temperature has exceeded its internal warning limit, triggering an alert on the drive. | RED |
| A7A2 | Mechanical brake opening failed The mechanical brake acknowledgement status is incorrect during opening, which causes the drive to stop. | GREEN |
| A7AB | Extension I/O configuration failure The installed module does not match the configuration or communication was disturbed, which stops the drive from operating. | GREEN |
| A7C1 | FBA A communication Communication between the drive, PLC, and fieldbus adapter module is lost, causing the drive to stop. | GREEN |
| A7CE | EFB comm loss A communication break has occurred in the embedded fieldbus, which causes the drive to stop operating. | GREEN |
| A7EE | Panel loss The active control panel or PC tool has stopped communicating, which causes the drive to shut down. | GREEN |
| A88F | Cooling fan The cooling fan maintenance timer limit has been exceeded, triggering a warning on the drive. | GREEN |
| A8A0 | AI supervision An analog signal is outside the specified limits, which triggers a warning on the drive. | GREEN |
| A8A1 | RO life warning The relay has changed states more than the recommended number of times, which triggers a life warning on the drive. | GREEN |
| A8A2 | RO toggle warning The relay output is changing states faster than recommended, which triggers a toggle warning because the relay lifetime will be exceeded shortly. | GREEN |
| A8B0 | ABB Signal supervision 1 A warning has been generated by the signal supervision function one, alerting the operator without stopping the drive. | GREEN |
| A8B1 | ABB Signal supervision 2 A warning has been generated by the signal supervision function, which alerts the operator but allows the booth to run. | GREEN |
| A8B2 | ABB Signal supervision 3 A warning has been generated by the third signal supervision function, which alerts the operator without stopping the booth. | GREEN |
| A8B3 | ABB Signal supervision 4 A warning has been generated by the signal supervision function four, which alerts the operator without stopping the drive. | GREEN |
| A8B4 | ABB Signal supervision 5 The drive issues a warning generated by the internal signal supervision function five. | GREEN |
| A8B5 | ABB Signal supervision 6 A warning has been generated by the signal supervision function six, alerting the operator without stopping the drive. | GREEN |
| A8BE | ULC overload warning The selected signal has exceeded the user overload curve, which triggers a warning on the drive. | GREEN |
| A8BF | ULC underload warning The selected signal has fallen below the user underload curve, which triggers a warning on the drive. | GREEN |
| A981 | External warning 1 A fault has occurred in external device one, which triggers a warning on the drive. | GREEN |
| A982 | External warning 2 A fault has occurred in external device two, which triggers a warning on the drive. | GREEN |
| A983 | External warning 3 A fault has occurred in external device three, which triggers a warning on the drive. | GREEN |
| A984 | External warning 4 A fault has occurred in external device four, which triggers a warning on the drive. | GREEN |
| A985 | External warning 5 A fault has occurred in external device five, which triggers a warning on the drive. | GREEN |
| AF88 | Season configuration warning A season has been configured to start before the previous season, which triggers a warning on the drive. | GREEN |
| AF90 | Speed controller autotuning The speed controller autotune routine did not complete successfully, which prevents the drive from operating optimally. | GREEN |
| AFAA | Autoreset The drive indicates that an active fault is about to automatically clear itself. | GREEN |
| AFE1 | Emergency stop (off2) The drive has received an emergency stop command, which causes the motor to coast to a stop. | GREEN |
| AFE2 | Emergency stop (off1 or off3) The drive has received an emergency stop command, which causes the motor to ramp down and stop. | GREEN |
| AFE9 | Start delay The start delay is active, meaning the drive will wait for a predefined time before starting the motor. | GREEN |
| AFEB | Run enable missing The run enable signal is missing, which prevents the drive from starting the motor. | GREEN |
| AFED | Enable to rotate The signal to rotate was not received within the time delay, preventing the drive from starting. | GREEN |
| AFF6 | Identification run A motor identification run is scheduled and will occur at the next start command. | GREEN |
| AFF8 | Motor heating active Motor pre-heating is active and passing current through the motor, which keeps it warm before starting. | GREEN |
| B5A0 | STO event The safe torque off function is active because a safety signal is lost, causing the drive to stop. | RED |
| B686 | Checksum mismatch The actual parameter checksums do not match the approved checksums, which prevents the drive from operating. | GREEN |
| D401 | Max cleaning fault The maximum number of cleanings was reached in the defined time, causing the automatic system to fail and the drive to fault. | YELLOW |
| D404 | Running dry The dry run protection has been activated, which causes the drive to stop. | YELLOW |
| D405 | Pipe fill-timeout The soft pipe fill reached its timeout limit without hitting the setpoint, causing the variable frequency drive to stop. | YELLOW |
| D40C | Cavitation detected The system detects that the pump is not getting enough liquid, causing the variable frequency drive to stop running. | YELLOW |
| D501 | No more available PFC motors No more pump control motors can be started because they are interlocked or in hand mode. | GREEN |
| D502 | All motors interlocked All motors in the pump control system are interlocked, which prevents the drive from starting them. | GREEN |
| D503 | VSD controlled PFC motor interlocked The motor connected to the drive is interlocked and unavailable, preventing it from running. | GREEN |
| D505 | Max cleaning warning The maximum number of pump cleanings was reached within a defined time, which triggers a warning on the drive because the pump remains dirty. | GREEN |
| D506 | Pump cleaning not possible The pump cleaning sequence cannot be started because the drive is not in remote control with an active start signal. | GREEN |
| D507 | Pump cleaning needed Dirt detection indicates that the pump needs cleaning, but the automatic pump cleaning function is not allowed to start. | GREEN |
| D50A | Running dry The dry run protection has been activated, which causes the drive to stop the pump. | GREEN |
| D50B | Pipe fill-timeout The soft pipe fill has reached its timeout limit without hitting the setpoint, causing the drive to stop. | GREEN |
| D511 | Cavitation control A cavitation control warning has been triggered, alerting the operator to potential pump issues. | GREEN |
| D58B | Gas pressure outside limits The compressor gas pressure is outside the acceptable limits, which stops the drive from operating. | GREEN |
| D590 | Restart delay A compressor restart delay is active, which prevents the drive from starting until the delay time has fully elapsed. | GREEN |
| D591 | Min. run time The compressor minimum run time is active, which keeps the motor running until the time elapses. | GREEN |
| D602 | Cavitation tune completed The cavitation auto tune process has finished successfully, which causes the drive to stop. | GREEN |
| FA81 | Safe torque off 1 The first safe torque off circuit is broken and active, which forces the variable frequency drive to stop the motor. | RED |
| FA82 | Safe torque off 2 The safe torque off function is active because circuit two broke, stopping the drive. | RED |
| FF61 | ID run The motor identification run was not completed successfully, which causes the drive to stop. | YELLOW |
| FF63 | STO diagnostics failure. An internal software malfunction occurred in the diagnostics, causing the drive to stop. | RED |
| FF81 | FB A force trip A fault trip command was received through the fieldbus adapter, stopping the drive. | YELLOW |
| FF8E | EFB force trip A fault trip command was received through the embedded fieldbus interface, stopping the drive. | YELLOW |
Every code comes from the manufacturer's own manual. Subscribers see which manual and page.