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20 minutes after the
complete unit is
powered off
Is the terminal FA for the
Connect the
electronic expansion valve
wires correctly
connected correctly?
Resistances between the first four pins
close to the terminal hole and the fifth
pin are almost the same, less than 100
ohm.
Replace the electronic
expansion valve
If the fault is eliminated?
Replace the
control panel
AP1
If the fault is eliminated?
Coolant leakage, refilling
the coolant
End
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