User`s guide

Page 36
Diagnosis
display
Abnormality / Protection
control
Abnormality Judgement
Primary location to verify
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
F95
Cooling high pressure
overload
protection
-
• Outdoor high pressure sensor
• Water pump or water leakage
• Clogged expansion valve or strainer
• Excess refrigerant
• Outdoor PCB