SiBE12-908
3.7
Refrigerant System Check
Check No.12
Service Diagnosis
Refrigerant system check
(blockage, refrigerant leakage,
refrigerant shortage are to be
checked)
Is the temperature of
suction pipe of four way
valve extremely high?
NO
Refrigerant leakage check
Refer to the refrigerant
shortage detection
Models with discharge pipe thermistor
Is the discharge pipe
thermistor disconnected
from the holder?
NO
YES
Check
YES
Rectify.
Four way valve operation
fault, replace it.
Replace the refrigerant.
(R9461)
172