P4 error
:
If the compressor is not operating, check the following components.
# Check the (Black/Common, Orange/Start & Blue/Run) flag terminals, for correct termination.
Common, Start & Run terminal points on compressor.
# Check the continuity of the (Black/Common, Orange/Start & Blue/Run) wire connecting to the
Black/W, Red/V & Blue/U terminal points on the inverter module board.
W, V & U terminal points on inverter board.
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