Troubleshooting by Remote Controller Si20-701_B
245
3.49
J3
Discharge Pipe Thermistor
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
îš„ Defective discharge pipe thermistor
 Defective discharge pipe thermistor’s connector
connection
îš„ Defective outdoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Is the
thermistor
normal?
NO
YES
Replace the
discharge pipe
thermistor.
If contact is OK,
replace the
outdoor unit
PCB.
Disconnect the discharge
pipe thermistor from the
outdoor unit PCB and
measure the resistance.
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