J9 Subcooling Heat Exchanger Gas Pipe Thermistor Abnormality - Daikin VRVII Manual

J9
3.44
Exchanger Gas Pipe
Thermistor Abnormality
Remote Controller Display
J9
Applicable Models
All outdoor unit series
Method of Error Detection
Error is detected according to the temperature detected
by subcooling heat exchanger gas pipe thermistor.
Error Decision Conditions
When the subcooling heat exchanger gas pipe thermistor
is short circuited or open circuited.
Supposed Causes
Defective subcooling heat exchanger gas pipe
thermistor
Defective outdoor unit PCB
180
Troubleshooting by Indication on the Remote Controller
Subcooling Heat