F600 fault in WEG CFW900 Drive indicates a Pulse Update Error. This means the internal circuitry failed to properly update the PWM pulses, pointing to a malfunction on the control board.
Cause:
Fault related to updating the PWM pulses.
- Defect on the inverter internal circuits.
Remedy:
Check the physical state of the control board. If the pulse updates are failing, the internal circuitry may be defective.
