Inovance MD310 Drive Fault Codes:
| Fault Codes | Cause & Solution |
|---|---|
| Err01 Inverter unit protection | Cause: 1. The output circuit is short circuited. 2. The cable between the motor and the AC drive is too long. 3. The module overheats. 4. The internal connections become loose. 5. The main control board is faulty. 6. The drive board is faulty. 7. The inverter module is faulty. Solution: 1. Eliminate external faults. 2. Install a reactor or an output filter. 3. Check that the air filter and the cooling fan work properly. 4. Connect all cables properly. 5. Contact the agent or Inovance for technical support. |
| 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 Module 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. 2. External fault signal is input via virtual I/O |
| 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. |
| Err17 Contactor fault | Cause & Solution: 1. Drive board and power supply are abnormal. – Replace drive board or power supply board. 2. Contactor is abnormal. – Replace contactor. 3. The lightning protection board is abnormal. – Replace the lightning protection board. |
| Err18 Current detection fault | Cause: The drive board is abnormal. Solution: There is an hardware or software issue in drive. Need to repair or replace drive. |
| Err21 EEPROM read- write fault | Cause: EEPROM chip is damaged. Solution: Replace the AC drive. |
| Err22 AC drive hardware fault | Cause: 1. Overvoltage exists. 2. Overcurrent exists. Solution: 1. Handle based on overvoltage. 2. Handle based on overcurrent. Err22 is caused by hardware overvoltage fault on most conditions. 3. There is an hardware or software issue in drive. Need to repair or replace 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 load lost fault | Cause: The load gets disconnected during the drive running. Solution: Check that the load is disconnected. |
| 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 Pulse-by- pulse current limit 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. |
| Err41 Motor switchover fault during running | Cause: Motor switchover via terminal during drive running of the AC drive. Solution: Perform motor switchover after the AC drive stops. |
| 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. |