Publicité
Diagnosis
Abnormality /
display
Protection control
Outdoor heat
exchanger
F42
temperature sensor
abnormality
Outdoor defrost sensor
F43
abnormality
Indoor water outlet
F45
temperature sensor
abnormality
Outdoor current
F46
transformer (CT) open
circuit
Outdoor EVA outlet
F48
temperature sensor
abnormality
Outdoor bypass outlet
F49
temperature sensor
abnormality
Cooling high pressure
F95
overload protection
Abnormality
judgement
Continue for 5s
Continue for 5s
Continue for 5s
-
Continue for 5s
Continue for 5s
-
Primary location to verify
· Outdoor heat exchanger temperature
sensor (defective or disconnected)
· Outdoor defrost sensor (defective or
disconnected)
· Water outlet temperature sensor
(defective or disconnected)
· Insufficient refrigerant
· Outdoor PCB
· Compressor low
· Outdoor EVA outlet temperature sensor
(defective or disconnected)
· Outdoor bypass outlet temperature
sensor (defective or disconnected)
· Outdoor high pressure sensor
· Water pump or water leakage
· Clogged expansion valve or strainer
· Excess refrigerant
· Outdoor PCB
29
Publicité
