Diagnosis display
Abnormality/Protection control
F46
Outdoor Current Transformer open
circuit
F48
Outdoor EVA outlet temperature sensor
abnormality
F49
Outdoor bypass outlet temperature
sensor abnormality
Abnormality judgement
—
Continue for 5 sec.
Continue for 5 sec.
46
Primary location to verify
Insufficient refrigerant
Outdoor PCB
Compressor low
Outdoor EVA outlet temperature sensor
(defective or disconnected)
Outdoor bypass outlet temperature
sensor (defective or disconnected)