Daikin R71FUV1 Service Manual page 222

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