Daikin R71FUV1 Service Manual page 224

Troubleshooting by Remote Controller
Troubleshooting
Caution
Discharge
pipe temperature is
115˚C or higher when
the unit stop by
error.
NO
Pull out the discharge
pipe thermistor from the
outdoor unit PCB, and
then make measurement
of resistance using a
multiple meter.
CHECK 3
Are the
characteristics of the
discharge pipe
thermistor normal?
(3.5~400kΩ)
YES
CHECK 3
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
YES
NO
Refer to P.460.
Si20-701_B
Refrigerant
shortage,
compression
defect, etc.
Defective the
refrigerant
system.
Replace the
discharge pipe
thermistor.
Replace the
outdoor unit
PCB.
217