C4, C5, C9 Thermistor Abnormality - Daikin R71FUV1 Service Manual

Troubleshooting by Remote Controller
C4
3.17 ,
Abnormality
Remote Controller Display
C4, C5, C9
Applicable Models
FH(Y)C, FH(Y)K, FH(Y)B, FH(Y), FAY, FV(Y), FUY, FHC,
FH, FDBG, FDBT, FDMG, FCQ(H), FMCQ, FFQ, FHQ,
FAQ, FBQ,FDQ, FMDQ, FUQ, FVQ, FCQG, FHQG
Method of Error Detection
The error is detected by temperature detected by
thermistor.
Error Decision Conditions
When the thermistor becomes disconnected or shorted
while the unit is running.
Supposed Causes
Defective connector connection
Defective thermistor
Defective indoor unit PCB
Broken or disconnected wire
C5 C9
, Thermistor
Si20-701_B
121