Noisy Operation Solution Flow Chart - Zanussi ZS12V70CCHI Service Manual

8.8 Noisy Operation Solution Flow Chart

• Noisy operation may vary, independently from the product, depending on the environmental conditions, mounting conditions or the
noise perception of the consumer.
identify the noise or complaint.
• If you cannot identify, appropriately film a video and inform the Service Center. (Video should be filmed at least 1 meter away from
the product, and there should not be any other noise other than the cause of the complaint.)
Indoor Unit
Does the noise go away when the fan
speed changes?
NO
Does the noise go away when the
compressor speed changes?
NO
Detect which frequency range the
noise forms in and inform the Service
Center about the issue.
Check the side, top and bottom
felts. Make sure that the felt covers
the compressor completely and also
covers the 4-way.
Check if there is deformation in the
pipes.
Therefore, the first and most important thing to do in noisy operation complaints is to exactly
Try to identify the noise formation following the flow chart below.
Compressor Noise
Which unit does the noise come from?
YES
Check the cross fan and fan
beds. If noise increases in
turbo mode, it is the noise of
air blowing. This is normal.
Are the outdoor unit blocks attached?
Detachment increases noise formation.
In back-to-back mounting, outdoor
unit noise may reach the indoor unit.
If possible, attach the products onto
If the outdoor unit is in the balcony,
on the floor, it increases the noise. If
possible, mount it onto the wall.
Does the noise go away when the
Check if there are contact/friction of two different
components in a different manner than what
should mechanically be, etc. If necessary, block
contact with isolations like sponge
NO
Is the frequency of the noise between 30-40 Hz.?
Check if blocks and butyls are in place, which
should be attached onto the 4-way. If they are in
place, wrap butyl on the compressor battery.
40
Outdoor Unit
different walls.
compressor speed changes?
YES
YES