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Troubleshooting by Remote Controller
Si20-701_B
215
Troubleshooting
Refer to P.460.
Is
discharge pipe
temperature 123.5ºC
or higher?
YES
NO
Error in
refrigerant
system, such as
refrigerant
shortage and
defective
compressor.
Conduct
inspection.
Is
discharge pipe
thermistor connected
to the correct
connector?
NO
YES
Correct the
connection, and
operate the unit.
Is discharge
pipe thermistor
characteristic
normal?
NO
YES
Replace the
discharge pipe
thermistor.
Replace the
outdoor unit
PCB.
CHECK 3
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
CHECK 3