Inovance IS580 Drive Fault Codes:
| Fault Codes | Cause & Solution |
|---|---|
| E02.00 Overcurrent during acceleration | Cause & Solution: Overcurrent during acceleration comes when the motor is drawing excess current during acceleration. This fault appears when the motor is drawing excess current during acceleration. 1. Ground fault or short circuit exists in the output circuit. – Check whether short-circuit occurs on the motor, the motor cable or contactor. 2. Acceleration time is too short. – Increase acceleration time. 3. Customized torque boost or V/F curve is not appropriate. – Adjust the customized torque boost or V/F curve. 4. The voltage is too low. – Adjust the voltage to normal range. 5. The spinning motor is started. – Enable the catching a spinning motor function or start the motor after it stops. 6. A load is applied suddenly during acceleration. – Cancel the suddenly added load. 7. The rated AC drive power is low. – Replace the drive by one with higher rated power. 8. The braking resistor resistance is small. – The braking resistor is short circuited. – Replace a new braking resistor. |
| E03.00 Over current in Deceleration | Cause : Over current in Deceleration comes when deceleration time too short, large load inertia or inverter power rating too small. Solution: 1. Increase the deceleration time. 2. Add suitable brake devices. 3. Choose higher capacity drive. |
| E04.00 Overcurrent at constant speed | Cause & Solution: 1. Ground fault or short circuit exists in the output circuit. – Check whether short-circuit occurs on the motor, motor cable or contactor 2. The voltage is too low. – Adjust the voltage to normal range. 3. A load is added suddenly during running. – Cancel the suddenly added load. 4. The rated AC drive power is low. – Replace the drive by one with higher rated power. 5. The braking resistor resistance is small or the braking resistor is short circuited. – Replace a new braking resistor. |
| E05.00 Overvoltage during acceleration | Cause & Solution: 1. Input voltage is too high. – Adjust input voltage to normal range. 2. An external force drives motor during acceleration. – Cancel the external force. 3. Braking unit and braking resistor are not installed. – Install the braking unit and braking resistor. 4. Acceleration time is too short. – Increase acceleration time. |
| E06.00 Overvoltage during deceleration | Cause & Solution: 1. Input voltage is too high. – Adjust input voltage to normal range. 2. An external force drives motor during deceleration. – Cancel the external force or install the braking resistor. 3. Deceleration time is too short. – Increase deceleration time. 4. Braking unit and braking resistor are not installed. – Install the braking unit and braking resistor. |
| E07.00 Overvoltage at constant speed | Cause & Solution: 1. Input voltage is too high. – Adjust input voltage to normal range. 2. An external force drives motor during running. – Cancel the external force or install a braking resistor. |
| E08.00 Pre-charge resistor fault | Cause: Bus voltage fluctuates around undervoltage threshold continuously Solution: There is an hardware or software issue in drive. Need to repair or replace drive. |
| E10.00 Drive overload | Cause & Solution: 1. The load is too heavy or locked-rotor occurs on the motor. – Reduce the load or check motor and mechanical conditions. 2. The rated AC drive power is low. – Replace the drive by one with higher rated power. |
| E10.01 Speed sensor is faulty | Cause: Speed sensor is faulty. Solution: Set A1-05=2s and start speed sensor self check. |
| E12.00 Input phase loss | Cause & Solution: 1. Three phase input is abnormal. – Eliminate faults in external circuitry 2. Drive board is abnormal. – Eliminate faults in external circuitry 3. Lightning protection board is abnormal. – There is an hardware or software issue in drive. Need to repair or replace drive. 4. Control board is abnormal. – There is an hardware or software issue in drive. Need to repair or replace drive. |
| E13.00 Output phase loss | Cause & Solution: 1. Motor winding is damaged. Check resistance between motor cables. – Replace motor is winding is damaged. 2. The cable connecting the AC drive and the motor is abnormal. – Check for wiring errors and ensure the output cable is connected properly 3. The AC drive’s three-phase outputs are unbalanced when the motor is running. – Check whether the motor three-phase winding is normal. 4. The drive board or the IGBT is abnormal. – Replace the AC drive. |
| E14.00 IGBT overheat | Cause & Solution: 1. The ambient temperature is too high. – Lower the ambient temperature. 2. The ventilation is clogged. – Clean the ventilation. 3. The fan is damaged. – Replace the cooling fan. 4. The thermally sensitive resistor of IGBT is damaged. – Replace the AC drive. 5. The AC drive IGBT is damaged. – Replace the AC drive. |
| E15.00 External fault | Cause & Solution: 1. External fault signal is input via DI. – Check feedback signal |
| E16.03 Communication fault | Cause & Solution: 1. The host controller is in abnormal state. – Check the cable of the host controller. 2. Communication cable is abnormal. – Check the communication cables. 3. Communication parameters are set improperly. – Set communication parameters properly. 4. After all the preceding checkings are done but the fault still exists, restore the default settings. |
| E18.00 Current sensing fault | Cause: The drive board is abnormal. Solution: There is an hardware or software issue in drive. Need to repair or replace drive. |
| E19.00 Motor auto-tuning overtime | Cause & Solution: 1. Motor parameters are not set according to nameplate. – Set motor parameters correctly according to nameplate. 2. Motor auto-tuning times out. – Check the cable connecting AC drive and motor. 3. The encoder is abnormal. – Check whether signal lines of encoder are connected correctly and securely. |
| E20.00 Auto tuning speed feedback fault | Cause & Solution: 1. Auto tuning speed feedback fault – Check feedback device. |
| E21.00 EEPROM read- write fault | Cause: EEPROM chip is damaged. Solution: Replace the AC drive. |
| E23.00 Motor ground fault | Cause & Solution: 1. The motor is short circuited to the ground. – Replace cable or motor. 2. The upper IGBT is damaged. – There is an hardware or software issue in drive. Need to repair or replace drive. |
| E23.09 Motor ground fault | Cause: Motor runs fast during power on. Solution: Do not connect power supply until motor stops |
| E24.00 Output phase to phase short-circuit fault | Cause: Output phase to phase is short- circuited. Solution: Please check the outputs. |
| E26.00 Time out | Cause: Time is out Solution: Clear the record through parameter initialization. |
| E27.00 Business time out | Business setting time is out. |
| E40.00 Overcurrent multi prevention fault | Cause & Solution: 1. The load is too heavy or locked-rotor occurs on the motor. – Reduce the load or check motor and mechanical conditions. 2. The rated AC drive power is low. – Replace the drive by one with higher rated power. |
| E42.01 CAN Communication gets interrupted | Cause: CAN communication fault- Communication gets interrupted. Solution: 1. check if BUS wirings have loose connection or wrong connection. 2. check if BUS shielding is well connected, or if BUS cable is longer than limit. |
| E42.02 CAN Commnunication gets interfered | Cause: CAN communication fault- Commnunication gets interfered. Solution: 1. check if BUS wirings have loose connection or wrong connection. 2. check if BUS shielding is well connected, or if BUS cable is longer than limit. |
| E42.03 CAN never gets online | Cause: CAN communication fault- The communication never gets online. Solution: 1. check if A2-00 A2-01 are setting correctly 2. check if BUS wirings have loose connection or wrong connection |
| E42.04 CAN communication BUS card fault | Cause: CAN communication fault- BUS card fault. Solution: – Disconnect power supply and seek for maintenance. |
| E42.05 CAN communication link address conflicts | Cause: CAN communication fault- Canlink address conflicts. Solution: Set address A2-01 correctly. |
| E42.06 CAN communication Can link address setting fault | Cause: CAN communication fault- Can link address setting fault. Solution: Set address A2-01 correctly. |
| E42.07 CAN communication fault Canopen fault | Cause: CAN communication fault- Canopen fault. Solution: Disconnect power supply and seek for maintenance. |
| E43.00 Speed sensor fault during motor auto- tuning | Speed sensor fault during motor auto tuning. |
| E44.00 Speed error exceeds limit | Speed error fault – Speed error exceeds limit. E44.00 fault in inovance IS580 drive indicates “Speed error exceeds limit”. This means the speed error has exceeded its allowable limit — meaning the actual motor speed deviates too much from the target (commanded) speed. – Confirm encoder/resolver is securely connected and functioning. – Ensure the load is not jammed, oversized, or changing suddenly. – Double-check motor settings (rated frequency, voltage, poles, etc.). |
| E44.01 Drive parameter setting fault | Cause: Speed error fault- Drive parameter setting fault. Solution: Increase F2-10. |
| E44.02 Speed sensor fault | Cause: Speed error fault- Speed sensor fault. Solution: Disconnect power supply and seek for maintenance. |
| E44.03 Drive parameter setting fault and speed sensor fault | Cause: Speed error fault- Drive parameter setting fault and speed sensor fault. Solution: 1. Increase F2-10 2. Disconnect power supply and seek for maintenance |
| E45.00 Motor PTC overheat | Cause: Motor temperature fault- Motor PTC overheat. Solution: – Power off and allow the motor to cool for 15–30 minutes. – Make sure PTC wires are connected to the correct terminals on the drive (typically a dedicated analog/PTC input). – Ensure fans are running and air passages are clear. – Check ambient temperature is within rated range. |
| E45.01 Temperature sensor disconnected | Cause: Motor temperature fault- Temperature sensor disconnected. Solution: Check if motor temperature sensor is connected. |
| E45.02 PG card flat cable fault | Cause: Motor temperature fault- PG card flat cable fault. Solution: – check if PG card flat cable is well connected – check if motor temperature sensor is short-circuit |
| E45.03 Motor KTY overheat | Cause: Motor temperature fault- Motor KTY overheat. Solution: – The drive monitors the resistance of the KTY sensor to detect if the motor temperature is too high. – Power off the drive and wait for the motor to cool. – If the fault clears after cooling, the overheat was real. – Inspect wiring harness and connectors between the motor and drive. – Confirm there are no loose connections or broken wires. |
| E46.00 Pressure sensor is faulty | Cause: Pressure sensor fault- Pressure sensor is faulty. Solution: – Check cables, connectors, and terminals for damage or looseness. – Ensure shielded cables are grounded properly to avoid noise. – Confirm that the pressure sensor receives the correct supply voltage. – Measure the sensor output signal (usually analog voltage or current). |
| E46.01 Motor rotor gets locked or pump gets stuck | Cause: Pressure sensor fault- Motor rotor gets locked or pump gets stuck. Solution: – check if rotor can be turned by hand – check if F2-10 sets properly – check if auto tuning can be conducted |
| E46.02 Pressure sensor calibration fault | Cause: Pressure sensor fault- Pressure sensor calibration fault. Solution: – check if pressure feedback is around zero – check if pressure sensor is well connected – check if F4-28 to 31 are set properly |
| E46.03 Pressure sensor output is beyond setting range | Cause: Pressure sensor fault- Pressure sensor output is beyond setting range. Solution: Pressure sensor output is beyond setting range [A3- 55, A3-56], please check the sensor. |
| E47.00 Slave fault | Cause: Slave fault. Solution: Refer to |
| E48.00 Communication address conflict | Cause: Communication address conflict. Solution: Refer to |
| E49.01 Speed sensor disconnected | Cause: Speed sensor fault- Speed sensor disconnected. Solution: – Turn off power & inspecting wiring. – Inspect encoder/resolver cable for damage. – Reset connectors at both motor and drive ends. |
| E49.02 Speed sensor interfered | Cause: Speed sensor fault- Speed sensor interfered. Solution: – Check for loose connectors, broken wires, or damaged cables. – Make sure the encoder/resolver cable is shielded. – The shield should be grounded at one point only (preferably at the drive side). |
| E52.00 Multi masters | E52.00 fault in inovance IS580 drive indicates Multi masters fault. This means more than one master device is detected on a single communication bus (e.g., CANopen, CANlink, Modbus RTU). The network protocol requires only one master device to coordinate communication with one or more slaves. – Multiple masters on the same bus can cause addressing conflicts, data collisions, and communication errors. |
| E58.00 Restore without saving user parameters | Restore without saving user parameters. This means the drive undergoes a parameter restore/reset operation (e.g., factory reset or restore defaults), but user-defined parameters were not saved beforehand. |
| E59.00 Back EMF fault during auto tuning | Cause: Back EMF fault during auto tuning- From dynamic tuning, back EMF is smaller than lower limit. Back EMF fault during auto tuning. This means the back EMF signal is abnormal, outside expected limits, or missing. It can be caused by wiring issues, incorrect parameters, or problems with the motor itself. |
| E61.00 Braking IGBT works overtime | Cause: Braking IGBT works overtime- Braking IGBT works overtime. Solution: – If the braking resistor is too small (in wattage or ohms), it won’t dissipate energy fast enough, forcing the IGBT to work longer. – The motor might be regenerating more energy than the resistor can handle, especially during deceleration. – Ensure brake resistor matches the drive specifications |
| E62.00 Braking IGBT short-circuit | Cause: Braking IGBT overload- Braking IGBT short-circuit. Solution: Disconnect power supply and seek for maintenance. |
| E62.02 Braking IGBT gets overloaded | Cause: Braking IGBT gets overloaded. Solution: – check if braking resistor is shirt-circuit, and if the resistance is proper ； – Check if DC BUS voltage is normal； – Disconnect power supply and seek for maintenance |
| E63.00 Reverse running time out | Cause: Reverse running time out- Reverse running time reaches A4-09. – This means the drive has detected the motor running in reverse direction longer than a configured time limit. |
| E66.01 Braking resistor disconnected | Cause: Braking resistor fault- Braking resistor disconnected. Solution: – Check wirings – If braking resistor is unnecessary, then set F8-26 = 0. |
| E66.02 Braking resistor resistance smaller than minimum | Cause: Braking resistor fault- Braking resistor resistance smaller than minimum. Solution: Replace with a proper resistor. |
| E67.00 Parameter initialization fault | Cause: Parameter initialization fault. – This means the drive encountered a problem reading or loading its internal parameters during startup or initialization. Solution: – Power cycle the drive: Turn off the drive completely. Wait 1–2 minutes, then power it back on. Sometimes a simple reboot clears temporary memory errors. – Reset to factory settings. – If the drive cannot be reset or parameters cannot be recovered, the internal memory may be permanently damaged. |
| HC Fault | Cause & Solution: 1. The cable between the drive board and control board is in poor contact. 2. The control board is damaged. – Replace the AC drive. 3. The motor or motor cable is short circuited to ground. – Check whether short-circuit occurs on motor, motor cable or contactor. 4. The mains voltage is too low. – Check the power supply. |