Haier DW-86L288 Service Manual page 62

Fault
6.Freezing cabinet noise is
high
7.Ultra-low-temperature
freezing cabinet does not
refrigerate
Analysis
1. Uneven placement
2. When compressor is running, there is resonance
between pipeline and cabinet.
3. Interior fan and fan holder are fixed tightly
4. Compressor connecting bolts are loose.
High temperature
level compressor
vent-pipe is not hot
Low temperature
level compressor
vent-pipe is not hot
High and low
temperature level
compressor
vent-pipes not hot.
Low temperature
level compressor
protection
Compressor does not'
start
High/low temperature level
pipe leaks
Compressor is damaged
Low temperature level pipe
leaks
Compressor is damaged
High/low temperature level
pipe leaks
Compressor is damaged
High temperature level pipe
leaks
Low temperature level
refrigerant is infused too
much
Same analysis as the
non-start of high/low
temperature level
compressor
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Maintenance Measures
Change the location of the
freezing cabinet.
Clear up pipeline or add a shock
pad under compressor
baseboard
To avoid resonance.
Fix them
Screw the connecting bolts tightly.
Find the leak location and make
repair welding
Change the compressor
Find the leak location and make
repair welding
Change the compressor
Find the leak location and make
repair welding
Change the compressor
Find the leak location and r make
repair welding
Reduce infusion
Same repair measure as the
non-start of high/low temperature
level compressor