Daikin R42NUY2S - H9, J3, J5, J6, J7, J8 Thermistor System Abnormality

Troubleshooting by Remote Controller Si20-701_B
237
3.45
H9
,
J3
,
J5
,
J6
,
J7
,
J8
Thermistor
System Abnormality
Remote Controller Display
H9
,
J3
,
J5
,
J6
,
J7
,
J8
Applicable Models
RZQ-K/H, RZQ(S)-B/C, RZR-KU/HU
Method of Error Detection
The error is detected according to the temperature
detected by each individual thermistor.
Error Decision Conditions
When thermistor is disconnected or short-circuited during
operation
Supposed Causes
 Defective thermistor
 Defective connection of connector
 Defective outdoor unit control PCB