J3 Discharge Pipe Thermistor System Abnormality - Daikin R71FUV1 Service Manual

Troubleshooting by Remote Controller
J3
3.49
System Abnormality
Remote Controller Display
J3
Applicable Models
RY-F/FU, R(Y)-G/GA/KU/LU, RR-M
Error Decision Conditions
Case where the discharge pipe thermistor has a short or
open circuit
Supposed Causes
Defective discharge pipe thermistor
Defective discharge pipe thermistor's connector
connection
Defective outdoor unit PCB
Troubleshooting
Caution
Disconnect the discharge
pipe thermistor from the
outdoor unit PCB and
measure the resistance.
Is the
thermistor
normal?
YES
Discharge Pipe Thermistor
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
NO
Si20-701_B
Replace the
discharge pipe
thermistor.
If contact is OK,
replace the
outdoor unit
PCB.
245