Inverter PCB
Error information received from Inverter PCB
1. External cause. 2. Power supply to Filter PCB to Inverter PCB
wiring disconnection, open 3. Filter PCB failure 4. Inverter PCB failure
Check if temporary voltage drop was not generated.
Check if temporary open was not generated.
Check if ground is connected correctly or there are no related cables near the
power line.
Check Point 2 : Check the wiring (Power supply to Filter PCB to Inverter PCB)
Connector and wiring connection state check
Cable open check
Replace Filter PCB and Inverter PCB.
Check Point 1-1 : Turn the power
on again.
Error displayed again?
Check Point 3 : Replace Filter PCB (INV) and Inverter PCB
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