Daikin VRVII - J4 Heat Exchanger Gas Pipe Thermistor Abnormality

Troubleshooting by Indication on the Remote Controller
170
3.39
J4
Heat Exchanger Gas Pipe
Thermistor Abnormality
Remote Controller Display
J4
Applicable Models
VRV-WII and -WIII Series
Method of Error Detection
Error is detected according to the temperature detected
by heat exchanger gas pipe thermistor.
Error Decision Conditions
When the heat exchanger gas pipe thermistor is short
circuited or open.
Supposed Causes
 Defective heat exchanger gas pipe thermistor
 Defective outside unit PCB