Troubleshooting by Indication on the Remote Controller
240
Troubleshooting
Refer to P.369.
YES
NO
Is the
thermistor
resistance value
normal?
Replace the
inverter PCB.
NO
YES
The INV.
compressor's
insulation resistance is
not more than
100kΩ.
Replace the
compressor
(M1C).
NO
YES
The fan
motor's insulation
resistance is not
more than
1MΩ.
Replace the fan
motor.
NO
YES
Does the
error recur when
the power supply
turns ON?
Replace the
inverter PCB.
Continue the
operation.
Measure resistance value
of the radiation fin
thermistor.
CHECK 11
∗ Disconnect the connector from the
radiation fin thermistor, and then
check the thermistor.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
CHECK 11
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