Inovance MD200 Drive Fault Codes:
| Fault Codes | Cause & Solution |
|---|---|
| Err02 Overcurrent during acceleration | Cause & Solution: 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. |
| Err03 Overcurrent during deceleration | Cause & Solution: 1. Ground fault or short circuit exists in the output circuit. – Check whether short-circuit occurs on motor, motor cable or contactor. 2. Acceleration time is too short. – Increase acceleration time. 3. The voltage is too low. – Adjust the voltage to normal range. 4. A load is added suddenly during deceleration. – Cancel the suddenly added load. 5. Braking unit and braking resistor are not installed. – Install the braking unit and braking resistor. 6. The braking resistor resistance is small or the braking resistor is short circuited. – Replace a new braking resistor. |
| Err04 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. |
| Err05 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. |
| Err06 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. |
| Err07 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. |
| Err08 Control power fault | Cause: Input voltage is not within the permissible range. Solution: Adjust the input voltage in the permissible range. |
| Err09 Undervoltage | Cause & Solution: 1. An instantaneous power failure occurs. – Reset the fault 2. The AC drive’s input voltage is not within the permissible range. – Adjust the voltage to normal range. 3. The bus voltage is abnormal. – Replace the AC drive. 4. The rectifier bridge, the pre-charge resistor, the drive board or the control board are abnormal. – Replace the AC drive. |
| Err10 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. |
| Err11 Motor overload | Cause & Solution: 1. F9-01 (Motor overload protection gain) is set improperly. – Set F9-01 correctly. 2. The load is too heavy or locked-rotor occurs on the motor. – Reduce the load or check motor and mechanical conditions. 3. The rated AC drive power is low. – Replace the drive by one with higher rated power. |
| Err12 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. |
| Err13 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. |
| Err14 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. |
| Err15 External equipment fault | Cause & Solution: 1. External fault signal is input via DI. – Confirm that the mechanical condition allows restart (F8-18) and reset the operation. 2. External fault signal is input via virtual I/O. – Confirm that the virtual I/O parameters in group A1 are set correctly and reset the operation. |
| Err16 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 in group Fd are set improperly. – Set communication parameters in group Fd properly. 4. After all the preceding checkings are done but the fault still exists, restore the default settings. |
| Err18 Current detection fault | Cause: The drive board is abnormal. Solution: Replace the AC drive. |
| Err21 EEPROM read- write fault | Cause: EEPROM chip is damaged. Solution: Replace the AC drive. |
| Err23 Short circuit to ground | 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. |
| Err26 Accumulative running time reached | Cause: Accumulative running time reaches the setting value. Solution: Clear the record through parameter initialization. |
| Err27 User-defined fault 1 | Cause: User-defined fault 1 is input via DI. Solution: Reset the operation. |
| Err28 User-defined fault 2 | Cause: User-defined fault 2 is input via DI. Solution: Reset the operation. |
| Err29 Accumulative power-on time reached | Cause: Accumulative power-on time reaches the setting value. Solution: Clear the record through parameter initialization. |
| Err30 Off load fault | Cause: The output current of AC drive is smaller than F9-64 (load loss detection level). Solution: Check whether the load is disconnected or the setting of F9-64 and F9-65 (load lost detection time) satisfies actual running conditions. |
| Err31 PID feedback lost during running | Cause: PID feedback is smaller than the setting value of FA-26 (detection level of PID feedback loss). Solution: Check PID feedback or set FA-26 properly. |
| Err40 Quick current limit | 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. |
| Err55 Slave faulty in speed synchronous | Cause: When speed synchronous is enabled, the master receives CAN communication data but does not detect the salve. Then Err55 is reported. Solution: 1. Check the slave CAN communication cable connection. 2. Check whether CAN communication of the slave is normal. |
| HC Fault | Cause & Solution: 1. The cable between the drive board and control board is in poor contact. – Re-connect the 4-pin cable and 28-pin cable. 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. |