Indoor Unit Fan Motor
Check parts unit
Resistance Test
The compressor is at fault if the resistance of winding is 0 (short circuit)or ∞ open circuit.
Common signs compressor is faulty:
•
Compressor motor lock.
•
Discharge pressure value approaches static pressure value .
•
Compressor motor winding abnormality.
Note:
•
Don't put a compressor on its side or turn over.
•
Assemble the compressor quickly after removing the plugs. Prolonged exposure will damage
the internal components of the compressor.
•
Ensure wiring is correct before operating. Reverse operation will permanently damage the
compressor.
•
Electric Reactor
Common Problems:
•
Sound abnormality
•
Runs in a sporadic rhythm.
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COMPONENTS TESTING