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Q : How to fix the “ETH1” fault on GD350A-075G/090P-4 VFD for asynchronous motor speed control?
A: VFD Model: GD350A-075G/090P-4，
Application: Asynchronous motor ordinary speed regulation,
Fault phenomenon: The VFD immediately reports ETH1 fault when powered on.
How to solve it?
Cause analysis:
The keypad cannot be reset, indicating that the fault persists. After power-off inspection, it was found that the terminal block motor wire was connected to the wrong position.
Solution:
Correct the motor wiring to UVW and ensure normal operation.
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