43
TROUBLESHOOTING CONTINUED
(9) Compressor desynchronizing malfunction
Main checking points:
Is the eletronic expansion valve working correctly or is it broken;
Is the system pressure too high
Are the system heat exchangers functioning correctly
Flow chart:
Eliminate the malfunction
Eliminate the malfunction
Eliminate the malfunction
Replace the compressor
End
no
no
no
no
no
yes
yes
yes
yes
yes
yes
Replace the elctronic expansion
valve
The system starts then stops
immediately after being energized
Is stop duration of the compressor
3 minutes or less?
Is the compressor connected
correctly?
Reconnect the compressor
correctly per the wiring
diagram
Is the eletronic expansion valve broken?
Replace the outdoor main
board
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