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Yes
Ice beads or serious frost formed in the
Inspection of the
frosted cooler
Non-defrost
Check the leakage
Inspection of freon
leakage
No freon leakage
Freon circuit
Defective freon circuit
The lower pressure tube of
compressor fails to suck the air.
The contacting point being poor?
No
Is the circuit of compressor coil
normal?
cooler chamber
Poorly defrosted
location
Freon leakage
clogged
Clogged by impurities
Poor compression of
the compressor
Yes
Repair the contacting point.
* Remove the pin from the connecting point and
check if it has turned into black.
Abnormal
Replace the compressor and
drying filter
* Check the circuit of main coil, auxiliary coil and
resistance value.
Refer to the method of non-
defrost
Poor location be repaired.
Replace the compressor, drying
filter. Clean the freon circuit.
* When the inner side of compressor is
too dirty, it must be replaced.
Replace the clogged parts.
Replace the drying filter. Clean
the freon circuit.
Replace the compressor, drying
filter
Clean the freon circuit
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