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Answer: Normally speaking, freezer noise within the range of national
standard is normal. But if there is continuous sound of metal contacting
from compressor, please check and solve the problem in time.
12.7 National standard for noise
There are stipulations in Items 6.5.7.1 and 6.3.6.1.of GB/T 8059.3-1995.
12.7.1 When freezer is running for freezing, there will be no
obvious noise?
The noise of sound power level of freezer with the volume 250L and below,
measuring according to the stipulations in item 6.3.6.1, will not greater than
52dB(A).
Sound power level noise of freezing freezer with fan
300L below ≤55dB(A)
300-400L(including 400L) ≤60dB(A)
401-500L(including 500L) ≤63dB(A)
MAINTENANCE SERVICE AND TROUBLE SHOOTING
Maintenance Service and Trouble Shooting
12.7.2 Noise test
At the geometrical center of measuring field, put the freezing freezer onto
an elastic base (5-6mm thick elastic rubber cushion). The freezer should be
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