High Pressure Control In Cooling - Daikin CTXU25G2V1B Service Manual

Troubleshooting
2.22

High Pressure Control in Cooling

F6
Remote
Controller Display
Outdoor Unit LED A5
Display
Method of During cooling, high pressure control (stop, frequency attenuation, etc.) is executed according
to the temperature detected by the heat exchanger thermistor.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
132
55 ( - )
Activated when the temperature being sensed by the heat exchanger thermistor rises above
65°C.
Deactivated when the temperature drops below 53°C.
Insufficient installation space
Defective outdoor fan
Defective electronic expansion valve
Defective heat exchanger thermistor
Defective outdoor unit PCB
Defective stop valve
SiBE12-908
Service Diagnosis