SERVICE MANUAL
Model: FCM7SUHWW/FCM7DUHWW
18
Issue
2013-09-26
REV
Ref1309S003V0
8-2. Abnormal phenomena
8-2-1. No cooling
NO
YES
YES
NO
NO
YES
YES
YES
NO
YES
No cooling
Whether the refrigerator can start
Test according to the process of the
refrigerator can not start
Cooling system or drier filter is blocked.
To evacuate and pour the cooling system and
recharge refrigerant again
Whether the temperature of fresh food
compartment do not descend and after a
little minute, it will stop running
Exchange the thermostat
Check whether the working current of
compressor is higher than 120% of normal
operating current
If the noise of compressor is loud
Check whether the working current of
compressor is lower than 80% of normal
operating current
The working sound of compressor is small
If compressor can run naturally and
temperature raising of condenser is very
low
If the temperature raising of condenser
and drier filter is very low
Both high-pressure pipe and low-pressure
pipe temperature are same as the ambient
temperature
Refrigerant leak, check and
repair charge refrigerant again.
Compressor defect and change it
YES
YES
YES