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SERVICE MANUAL
Model: HRFZ-250DAA
.
Chapter 8 Quick check
8-1.No cooling
No cooling
Whether the freezer can start
Whether the temperature knob on "off" position
Check whether the working current of
compressor is higher than 120% of
normal operating current
Check whether the working current of
compressor is lower than 80% of normal
operating current
The working sound of compressor is small
If the temperature raising
and drier filter is very low
Both high-pressure pipe and low-pressure pipe
temperature are same as the ambient temperature
Compressor defect and change it
NO
Test according to the process of the freezer
can not start
YES
YES
NO
YES
NO
YES
YES
YES
of condenser
NO
YES
Exchange the thermostat
For the normal operating current
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
2012-4-9
Rev. Ref0911S006V0
19
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