Abnormal Phenomena - Haier HF50CM23NW Service Manual

SERVICE MANUAL
Mod el: HF50CM23NW/HF71CM33NW

8-2. Abnormal phenomena

8-2-1. No cooling
No cooling
Whether the freezer can start
YES
Whether the temperature knob on "off"
position
NO
Check whether the working current of
compressor is higher than 120% of
normal operating current
NO
Check whether the working current of
compressor is lower than 80% of normal
operating current
YES
The working sound of compressor is small
YES
If the temperature raising
and drier filter is very low
NO
Both high-pressure pipe and low-pressure
pipe temperature are same as the ambient
temperature
Compressor defect and change it
NO
YES
YES
YES
of condenser
Test according to the process of the
freezer can not start
Exchange the thermostat
If the noise of compressor is loud
YES
If compressor can run naturally and temperature
raising of condenser is very low
YES
Cooling system or drier filter is blocked.
To evacuate and pour the cooling system and
recharge refrigerant again
Refrigerant leak, check and
repair charge refrigerant again.
Issue 2014-04-12
Rev.
Ref1404S005V0
18