Service and Parts Manual (2019, 2020, 2021, 2022)

115 PB
COMPONENTS TESTING
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.