109
Diagnosis display
Abnormality/Protection control
Abnormality judgement
Primary location to verify
F36
Outdoor air temperature sensor
abnormality
Continue for 5 sec.
Outdoor air temperature sensor
(defective or disconnected)
F37
Indoor water inlet temperature sensor
abnormality
Continue for 5 sec.
Water inlet temperature sensor
(defective or disconnected)
F40
Outdoor discharge pipe temperature
sensor abnormality
Continue for 5 sec.
Outdoor discharge pipe temperature
sensor (defective or disconnected)
F41 PFC
control
4 times occurrence within 10
minutes
Voltage at PFC
F42
Outdoor heat exchanger temperature
sensor abnormality
Continue for 5 sec.
Outdoor heat exchanger temperature
sensor (defective or disconnected)
F43
Outdoor defrost sensor abnormality
Continue for 5 sec.
Outdoor defrost sensor (defective or
disconnected)
F45
Indoor water outlet temperature sensor
abnormality
Continue for 5 sec.
Water outlet temperature sensor
(defective or disconnected)
F46
Outdoor Current Transformer open
circuit
—
Insufficient refrigerant
Outdoor PCB
Compressor low
F48
Outdoor EVA outlet temperature sensor
abnormality
Continue for 5 sec.
Outdoor EVA outlet temperature sensor
(defective or disconnected)
F49
Outdoor bypass outlet temperature
sensor abnormality
Continue for 5 sec.
Outdoor bypass outlet temperature
sensor (defective or disconnected)
F95
Cooling high pressure overload
protection
—
Outdoor high pressure sensor
Water pump or water leakage
Clogged expansion valve or strainer
Excess refrigerant
Outdoor PCB
Summary of Contents for WH-SDC12F6E5
Page 24: ...24 4 2 Outdoor Unit Air inlet rear Air outlet Air inlet side ...
Page 35: ...35 10 1 2 Solar Printed Circuit Board Optional ...
Page 63: ...63 57 C 57 C 57 C 57 C ...
Page 64: ...64 ...
Page 70: ...70 ...
Page 71: ...71 ...
Page 72: ...72 57 C 57 C 50 C 50 C ...