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Si20-701_B
Troubleshooting by Remote Controller
334
Troubleshooting
Disconnect the cable from
the fan, and then check
the fan motor for the
insulation resistance.
Disconnect the cable from
the compressor, and then
check the compressor for
the insulation resistance.
The
insulation
resistance is low (i.e.,
not more than
100k
Ω
.)
YES
The
insulation
resistance is low (i.e.,
not more than
1M
Ω
.)
Replace the
compressor.
Replace the fan
motor.
Replace the fan
driver PCB.
YES
NO
NO
Power
OFF
Remove and insert the fin
thermistor connector
Turn ON
the power supply,
and then check whether
or not the error
recurs.
Replace the
inverter PCB.
End
YES
NO
Power
ON
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.