Goodrive20-EU series VFD Fault tracking
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1. Stop the drive and disconnect it from the power line. Wait for at least the time designated
on the VFD.
2. Check the tightness of the power cable connections.
3. Restore power.
6.2 Fault solution
 Only qualified electricians are allowed to maintain the VFD. Read the safety
instructions in chapter Safety precautions before working on the VFD.
6.2.1 Alarm and fault indications
Fault is indicated by LEDs. See Operation Procedure. When TRIP light is on, an alarm or
fault message on the panel display indicates abnormal VFD state. Using the information given
in this chapter, most alarm and fault cause can be identified and corrected. If no, contact the
INVT office.
6.2.2 How to reset
The VFD can be reset by pressing the keypad key STOP/RST, through digital input, or by
switching the power light. When the fault has been removed, the motor can be restarted.
6.2.3 Fault instruction and solution
Do as the following after the VFD fault:
1. Check to ensure there is nothing wrong with the keypad. If no, please contact the local INVT
office.
2. If there is nothing wrong, please check P07 and ensure the corresponding recorded fault
parameters to confirm the real state when the current fault occurs by all parameters.
3. See the following table for detailed solution and check the corresponding abnormal state.
4. Eliminate the fault and ask for relative help.
5. Check to eliminate the fault and carry out fault reset to run the VFD.
Acceleration is too fast;
IGBT module damaged;
Misacts caused by interference;
The connection of the drive wire
is not good;
To-ground short circuit
Increase acceleration time;
Replace the power unit;
Check drive wires;
Check whether there is strong
interference caused by external
equipment
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