Compressor Drive Board and IPM
Module Protection
Check if the compressor runs or not before
the IPM module comes into protection
When the compressor comes into
protection after running for a period of
time, then check if the screws of the
IPM module are tightened.
Check if the connection of the power
cards of the main board and the drive
board is in good condition
If the screws of the IPM module are
already tightened, power the unit on
again and see if it will still come into
protection
Replace the compressor drive board and see
if it will still come into protection
Replace the broken-down compressor
It is finished
YES
NO
NO
YES YES
YES
NO
YES
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