Daikin R71FUV1 Service Manual page 245

Si20-701_B
Troubleshooting
Caution
Check connectors for
connection.
Normal?
YES
Remove thermistor from
outdoor unit PCB, then
measure the resistance
using a tester.
CHECK 1
Normal?
YES
Error Code
H9
J3
J5
J6
J7
J8
CHECK 1
238
Troubleshooting by Remote Controller
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
NO
Outdoor air thermistor
Discharge pipe thermistor
Suction pipe thermistor
Heat exchanger thermistor
Intermediate heat exchanger thermistor
Liquid pipe thermistor
Refer to P.459.
Defective Thermistor
Connect
correctly.
Replace the
thermistor.
Replace the
outdoor unit
control PCB.