Daikin R71FUV1 Service Manual page 129

Si20-701_B
Troubleshooting
Caution
Check the connector
connection.
Is it
normal?
CHECK 3
Check
the thermistor
resistance. Is it
normal?
Check the contact
between thermistor and
PCB.
Is the contact OK?
CHECK 3
122
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
YES
NO
YES
NO
YES
Refer to P.460.
Troubleshooting by Remote Controller
C4
: Heat exchanger thermistor
C5
: Gas pipe thermistor
C9
: Suction air thermistor
Correct the
connection.
Replace the
thermistor.
Correct the
contact.
Replace the
outdoor unit
PCB.