| Fault Code |
Fault Type |
Reason |
Solution |
| E001 |
IGBT Ph-U Fault (OUT1) |
- Acc/Dec time is too short;
- IGBT module fault;
- Malfunction caused by interference;
- Grounding is not properly
|
- Increase Acc/Dec time;
- Check external equipments and eliminate interference;
- Ask supplier for support
|
| E002 |
IGBT Ph-V Fault (OUT2) |
| E003 |
IGBT Ph-W Fault (OUT3) |
| E004 |
Over-current When Acceleration (OC1) |
- Acc time is too short;
- Low input voltage;
- The power of controller is small
|
- Prolong Acc time;
- Check the power supply;
- Select bigger power controller
|
| E005 |
Over-current When Deceleration (OC2) |
- Dec time is too short;
- Load is too heavy;
- The power of controller is small
|
- Prolong Dec time;
- Increase braking unit;
- Select bigger capacity controller
|
| E006 |
Over-current When Constant Speed Running (OC3) |
- Sudden change of load;
- Low input voltage;
- The power of controller is small
|
- Check the load;
- Check the power supply;
- Select bigger capacity controller
|
| E007 |
Over-voltage When Acceleration (OV1) |
- High input voltage;
- Regenerative energy from the motor is too large
|
- Check the power supply;
- Avoid to restart the motor until it stop running completely
|
| E008 |
Over-voltage When Deceleration (OV2) |
- Dec time is too short;
- Load is too heavy;
- High input voltage
|
- Increase Dec time;
- Increase braking unit;
- Check the power supply
|
| E009 |
Over-voltage When Constant Speed Running (OV3) |
- High input voltage;
- Load is too heavy
|
- Install input reactor;
- Increase braking unit
|
| E010 |
DC Bus Under-voltage (UV) |
- Low input voltage
|
- Check the grid's input power supply
|
| E011 |
Motor Overload (OL1) |
- Low input voltage;
- Wrong setting of motor parameter;
- Motor locked-rotor or sudden big change of load to small load;
- The power of motor is too small
|
- Check the power supply;
- Set the rated current of motor properly;
- Check the load, adjust the value of torque boost;
- Select proper power motor
|
| E012 |
Controller Overload (OL2) |
- Acc time is too short;
- Restart the motor when it is decelerating;
- Low input voltage;
- Load is too heavy
|
- Prolong Acc time;
- Avoid to restart the motor until it stop running completely;
- Check the power supply;
- Select bigger capacity controller
|
| E013 |
Input Phase Failure (SPI) |
- Open-phase occurred in power supply
|
- Check the wiring, installation and the power supply
|
| E014 |
Output Phase Failure (SPO) |
- Open-phase occurred at output side of main circuit
|
- Check the output wiring, cable and motor
|
| E015 |
Rectify Overheat (OH1) |
- Sudden over-current;
- Input/output side has short circuit;
- Cooling fans of controller stopped or damaged;
- Ambient temperature is too high;
- Wires or connectors of control board are loose;
- Auxiliary power supply unit is damaged or low driving voltage for IGBT;
- Power module bridge is damaged;
- Control board is abnormal
|
- Refer to measures of over-current;
- Check the wiring;
- Replace cooling fans;
- Decrease the ambient temperature;
- Check and reconnect;
- Ask supplier for support
|
| E016 |
IGBT Overheat (OH2) |
| E018 |
Reserve |
|
|
| E019 |
Current Detection Fault (ITE) |
- Wires or connectors of control board are loose;
- Auxiliary power supply unit is damaged;
- Current detector is damaged or amplifying circuit is abnormal
|
- Check the wiring and connectors;
- Ask supplier for support
|
| E020 |
Reserve |
|
|
| E021 |
EEPROM Fault (EEP) |
- R/W fault of control parameters
|
- Press STOP/RST to reset;
- Ask for support
|
Audited Supplier 
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