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FAQ-Precision air conditioners generate loud noise, What should be done

Publication Date:  2014-10-29 Views:  193 Downloads:  0
Issue Description
Precision air conditioners generate loud noise, What should be done?
Solution
Possible Causes:
1) The fan blades scratch against the air channel or air baffle.
2) The compressor or pipe is loose.
3) The compressor generates loud noise.

Procedure:

Step 1 Check whether scraping sound is generated when the fan in the indoor unit or outdoor unit scratches against mechanical parts.

Y: If scraping sound is generated, rectify the fault and check whether the fault persists.
If the fault is rectified, troubleshooting is complete.
If the fault persists, contact Huawei technical support.
N: If no scraping sound is generated, go to Step 2.

Step 2 Check whether the compressor or pipe is loose.

Y: If the fixing point is loose, tighten the compressor or pipe and check whether the fault persists.
If the fault is rectified, troubleshooting is complete.
If the fault persists, go to Step 3.
N: If the fixing point is not loose, go to Step 3.

Step 3 Check the compressor. If the bearing in the compressor generates loud noise, contact Huawei technical support.

Step 4 For other noise generated by air conditioners, contact Huawei technical support.

END