Haier BD-478A service manual System noise repair, Maintenance Service And Trouble Shooting

please move your hand over it quickly, otherwise your hand will be stuck.

(4)At normal operation of freezer, 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 freezer 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:

MAINTENANCE SERVICE AND TROUBLE SHOOTING

Maintenance Service and Trouble Shooting

(1)If the freezer is not level, or if the floor is loose, please adjust the base cover or fasten the floor.

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