High Pressure Control In Cooling - Daikin F-Series Service Manual

SiEN12-710A

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
" Deactivated when the temperature drops below 53°C.
Conditions
Supposed
" The installation space is not large enough.
Causes " Faulty outdoor unit fan
" Faulty electronic expansion valve
" Faulty outdoor unit heat exchanger thermistor
" Faulty outdoor unit PCB
" Faulty stop valve
" Dirty heat exchanger
Service Diagnosis
65°C.
Troubleshooting
125