Specifications

Troubleshooting by Remote Controller SiBE341027
142 Service Diagnosis
Troubleshooting
Refer to P.182
Continued from the previous page.
(Start failure due to aged operation.)
CHECK 4
Check if the
power transistor
is normal.
NO
Cancel the melting state of
refrigerant.
Refrigerant
is melting in refrigerant
oil. (The unit is out of
power supply for more
than 6 hours.)
Is the insulation
resistance of the
compressor 100k
Ω
or more?
Broken wire inside
the compressor
YES
NO
YES
NO
YES
Replace the inverter compressor.
Replace the inverter compressor.
Replace the compressor inverter
PCB (A4P).
Recheck the compressor/
refrigerant circuit.
NO
YES
CHECK 4