Haier HBC-200 Service Manual - Page 21

System noise repair

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Refrigerator Model:HBC-70/200（India） MAINTENANCE SERVICE AND TROUBLE SHOOTING (3) The cover temperature of The evaporator can be as low as -30℃it will feel sticky when touching. If you'd like to touch, please move your hand over it quickly, otherwise your hand will be stuck. (4) At normal operation of refrigerator, the temperature of filter dryer cover is similar to room temperature, only a little warmer. If the cover temperature is much higher or lower than that of environment, and there is frost, there must be problem with the refrigeration system. Touching the above mentioned parts, if there is big temperature difference compared with normal, there must be problem and further decision should be made. 12.1.6 System noise repair Normally there are two kinds of refrigerator noise, one is the natural noise of compressor and fan, and the other is the resonance noise or structural noise. The natural noise of compressor and fan is controlled within a standard range, if the range is exceeded, the compressor or fan needs to be repaired or changed. The resonance or structural noise can be handled as follows: ２０ PDF created with pdfFactory trial version www.pdffactory.com

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Refrigerator
Model:HBC-70/200
（
India
）
２０
MAINTENANCE SERVICE AND TROUBLE SHOOTING
(3) The cover temperature of The evaporator can be as low as
-30
℃
it will feel sticky when touching. If you
’
d like to touch,
please move your hand over it quickly, otherwise your hand will
be stuck.
(4) At normal operation of refrigerator, the temperature of filter
dryer cover is similar to room temperature, only a little warmer. If
the cover temperature is much higher or lower than that of
environment, and there is frost, there must be problem with the
refrigeration system.
Touching the above mentioned parts, if there is big temperature
difference compared with normal, there must be problem and
further decision should be made.
12.1.6 System noise repair
Normally there are two kinds of refrigerator noise, one is the
natural noise of compressor and fan, and the other is the
resonance noise or structural noise. The natural noise of
compressor and fan is controlled within a standard range, if the
range is exceeded, the compressor or fan needs to be repaired or
changed. The resonance or structural noise can be handled as
follows:
PDF created with pdfFactory trial version
www.pdffactory.com