Inovance MD800 Drive Fault Codes:
| Fault Codes | Cause & Solution |
|---|---|
| E01.06 STO model identification error | Cause: The hardware is faulty. Solution: – Check the AC drive nameplate to confirm whether the AC drive has the STO function. – After this same fault comes then there is an hardware or software issue in drive. Need to repair or replace drive. |
| E01.07 AC drive axis type identification setting error | Cause: The hardware is faulty. Solution: – Check the AC drive nameplate to confirm the axis type (single-axis or dual-axis) of the AC drive. |
| E02.04 Overcurrent during acceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set acceleration time is too short. 4 The overcurrent stall suppression setting is improper. 5 The manual torque boost or V/f curve is improper. 6 The motor is started while rotating. 7 The AC drive suffers external interference. Solution: 1 Check the motor and the relay contactor and make sure that they are not short- circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the acceleration time (F0-17). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 160%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 5 Adjust the manual torque boost or V/f curve. 6 Select the flying start mode or start the AC drive after the motor stops. 7 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E02.05 Overcurrent during acceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set acceleration time is too short. 4 The overcurrent stall suppression setting is improper. 5 The manual torque boost or V/f curve is improper. 6 The motor is started while rotating. 7 The AC drive suffers external interference. Solution: 1 Check the motor and the relay contactor and make sure that they are not short- circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the acceleration time (F0-17). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 160%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 5 Adjust the manual torque boost or V/f curve. 6 Select the flying start mode or start the AC drive after the motor stops. 7 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E02.06 Overcurrent during acceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set acceleration time is too short. 4 The overcurrent stall suppression setting is improper. 5 The manual torque boost or V/f curve is improper. 6 The motor is started while rotating. 7 The AC drive suffers external interference. Solution: 1 Check the motor and the relay contactor and make sure that they are not short- circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the acceleration time (F0-17). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 160%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 5 Adjust the manual torque boost or V/f curve. 6 Select the flying start mode or start the AC drive after the motor stops. 7 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E03.04 Overcurrent during deceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set deceleration time is too short. 4 The overcurrent stall suppression setting is improper. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the deceleration time (F0-18). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. |
| E03.05 Overcurrent during deceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set deceleration time is too short. 4 The overcurrent stall suppression setting is improper. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the deceleration time (F0-18). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. |
| E03.06 Overcurrent during deceleration | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The set deceleration time is too short. 4 The overcurrent stall suppression setting is improper. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Increase the deceleration time (F0-18). 4 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. |
| E04.04 Overcurrent at constant speed | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The overcurrent stall suppression setting is improper. 4 The AC drive power rating is too low. 5 The AC drive suffers external interference. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 4 During stable running, if the running current exceeds the rated motor current or rated output current of the AC drive, replace the AC drive with one of higher power rating. 5 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E04.05 Overcurrent at constant speed | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The overcurrent stall suppression setting is improper. 4 The AC drive power rating is too low. 5 The AC drive suffers external interference. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 4 During stable running, if the running current exceeds the rated motor current or rated output current of the AC drive, replace the AC drive with one of higher power rating. 5 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E04.06 Overcurrent at constant speed | Cause: 1 A grounding fault or short circuit exists in the output circuit of the AC drive. 2 The SVC control mode is adopted, and motor auto-tuning is not performed. 3 The overcurrent stall suppression setting is improper. 4 The AC drive power rating is too low. 5 The AC drive suffers external interference. Solution: 1 Check the motor and make sure that the motor is not short-circuited or open-circuited. 2 Set the motor parameters according to the motor nameplate and perform motor auto- tuning. 3 Ensure that overcurrent stall suppression (F3-19) is enabled.The overcurrent stall action current (F3-18) is too large. Adjust it to a value between 120% and 150%.The overcurrent stall suppression gain (F3-20) is too small. Adjust it to a value between 20 and 40. 4 During stable running, if the running current exceeds the rated motor current or rated output current of the AC drive, replace the AC drive with one of higher power rating. 5 Check whether the fault current reaches the overcurrent stall suppression current (F3-18) by viewing the fault log. If not, the fault is possibly caused by external interference. In this case, find out the external interference source and rectify the fault.If no external interference source is found, the drive board or Hall device may be damaged. |
| E05.00 Overvoltage during acceleration | Cause: – The input grid voltage is too large. – An external force drives the motor during acceleration. – The overvoltage stall suppression parameters are set improperly. – The power supply unit is not provided with a braking unit and no braking resistor is installed – The acceleration time is too short. Solution: – Adjust the input grid voltage to the normal range. – Cancel the external force or install a braking resistor. The maximum rise frequency during overvoltage stall suppression (F3-26) is too low. Adjust it to a value between 5 Hz and 15 Hz when an external force is applied. – Ensure that the overvoltage stall suppression function (F3-23) is enabled. The overvoltage stall suppression voltage (F3-22) is too large. Adjust it to a value between 700 V and 770 V. – Replace the power supply unit with one that has a braking unit and install a braking resistor. – Increase the acceleration time (F0-17). |
| E06.00 Overvoltage during deceleration | Cause & Solution: 1. The overvoltage stall suppression parameters are set improperly. – Ensure that the overvoltage stall suppression function (F3-23) is enabled. – The overvoltage stall suppression voltage (F3-22) is too large. Adjust it to a value between 700 V and 770 V. – The overvoltage stall suppression frequency gain (F3- 24) is too small. Adjust it to a value between 30 and 50. 2. An external force drives the motor during deceleration. – Cancel the external force or install a braking resistor. – The maximum rise frequency during overvoltage stall suppression (F3-26) is too low. Adjust it to a value between 5 Hz and 15 Hz when an external force is applied. 3. The deceleration time is too short. – Increase the deceleration time (F0-18). 4. The power supply unit is not provided with a braking unit and no braking resistor is installed. – Replace the power supply unit with one that has a braking unit and install a braking resistor. |
| E07.00 Overvoltage at constant speed | Cause & Solution: 1. The overvoltage stall suppression parameters are set improperly. – Ensure that the overvoltage stall suppression function (F3-23) is enabled. – The overvoltage stall suppression voltage (F3-22) is too large. Adjust it to a value between 700 V and 770 V. – The overvoltage stall suppression frequency gain (F3- 24) is too small. Adjust it to a value between 30 and 50. 2. An external force drives the motor during running. – Cancel the external force or install a braking resistor. – The maximum rise frequency during overvoltage stall suppression (F3-26) is too low. Adjust it to a value between 5 Hz and 15 Hz when an external force is applied. |
| E07.01 Overvoltage at constant speed | Cause: The bus voltage of the single- phase AC drive is too large. Solution: – Check whether the bus voltage of the single-phase AC drive exceeds 410.0 V. |
| E09.00 Undervoltage | Cause & Solution: 1. An instantaneous power failure occurs. – Enable the power dip ride-through function (F9-63). 2. The input voltage of the AC drive is beyond the specified range. – Adjust the input voltage of the AC drive to the normal range. 3. The bus voltage is abnormal. – There is an hardware or software issue in drive. Need to repair or replace drive. 4. The power supply unit, the drive board of the drive unit, or the control board of the drive unit is abnormal. – There is an hardware or software issue in drive. Need to repair or replace drive. |
| E10.00 AC drive overload | Cause & Solution: 1. The load is too heavy or locked-rotor occurs. – Reduce the load and check the motor and mechanical conditions. 2. The AC drive power rating is too low. – Replace the AC drive with one of higher power rating. 3. The SVC control mode is adopted, and motor auto- tuning is not performed. – Set the motor parameters according to the motor nameplate and perform motor auto-tuning. 4. The control mode is V/f control. – Reduce the torque boost (F3-01) reference in decrements of 1.0%, or set it to 0 (auto torque boost). |
| E11.00 Motor overload | Cause & Solution: 1. F9-01 (motor overload protection gain) is set improperly. – Set F9-01 correctly. Increase its value to prolong the motor overload time. 2. The load is too heavy or locked-rotor occurs. – Reduce the load and check the motor and mechanical conditions. |
| E12.01 Input voltage exception | Cause: Input voltage phase loss. Solution: – Check the three-phase power supply and make sure that it is normal. – Check the input cables and make sure that they are not broken. – Check the input terminals and make sure that they are properly connected |
| E12.04 Input voltage exception | Cause: The input three-phase voltage is too large. Solution: Ensure that the input voltage does not exceed the rated value: – Three-phase 380 V models: 576 V – Single-phase 220 V models: 288 V |
| E13.00 Output phase loss | Cause & Solution: 1. The motor is faulty. – Check the motor for open circuit. 2. The cable connecting the AC drive and the motor is abnormal. – Check the cable between the AC drive and the motor. 3. The three-phase outputs of the AC drive are unbalanced when the motor is running. – Check whether the motor three-phase winding is normal. If not, eliminate the fault. 4. The drive board or the IGBT is abnormal. – There is an hardware or software issue in drive. Need to repair or replace drive. |
| E14.00 IGBT overheat | Cause & Solution: 1. The ambient temperature is too high. – Reduce the ambient temperature. 2. The air filter is blocked. – Clean the air filter. 3. The fan is damaged. – Replace the fan. 4. The IGBT thermistor is damaged. – There is an hardware or software issue in drive. Need to repair or replace drive. 5. The IGBT is damaged. – There is an hardware or software issue in drive. Need to repair or replace drive. |