SiBE12-933_A
4.13 High Pressure Control in Cooling
F6
Remote
Controller
Display
Method of
High-pressure control (stop, frequency drop, etc.) is activated in the cooling mode if the
Malfunction
temperature being sensed by the heat exchanger thermistor exceeds the limit.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Service Diagnosis
Activated when the temperature being sensed by the heat exchanger thermistor rises above
65°C.
Deactivated when the temperature drops below 53°C.
The installation space is not large enough.
Faulty outdoor unit fan
Faulty electronic expansion valve
Faulty outdoor unit heat exchanger thermistor
Faulty outdoor unit PCB
Faulty stop valve
Dirty heat exchanger
Troubleshooting
191