Daikin R71FUV1 Service Manual page 165

Si20-701_B
[In heating]
Are
the
characteristics of
the indoor unit
intermediate
thermistor
normal?
YES
The
indoor unit fan is
rotating during
operation.
YES
Are the
operation of
electronic expansion
valve normal?
YES
CHECK 4
High pressure is
too high.
NO
CHECK 4
CHECK 10
158
Troubleshooting by Remote Controller
NO
NO
NO
YES
Refer to P.464.
Refer to P.475.
Replace the
indoor unit
intermediate heat
exchanger
thermistor.
Remove the
foreign matter.
Replace the fan
motor.
Troubleshooting
"E9"
CHECK 10
Replace the
outdoor unit
PCB.
If error is
displayed again,
replace the
inverter PCB.