High Pressure Control In Cooling - Daikin FTKS20CVMB(9) Service Manual

SiENBE04-512A

4.13 High Pressure Control in Cooling

F6
Remote Control
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 Activated when the temperature being sensed by the heat exchanger thermistor rises above
Decision 65°C. (The error is cleared when the temperature drops below 54°C.)
Conditions
Supposed
Causes
Service Diagnosis
The installation space is not large enough.
Faulty outdoor unit fan
Faulty electronic expansion valve
Faulty defrost thermistor
Faulty outdoor unit PCB
Faulty stop valve
Dirty heat exchanger
Troubleshooting
115