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Make a repair on
the cooling cycle
Yes
Change the damper
The picture on the right shows you an evidence of a bad
repair, discovered on internal tubing
(no professional repair).
In this case it is necessary to replace the appliances!
Troubleshooting & Diagnostic:
Compartment temperatures unstable
Check if the quantity of cooling gas is in
line with the quantity printed on the
Service sticker.
If not
Visual check of
damper sliding door.
Slide is broken?
On 2007 and 2008 not Biruni appliances: change the Main Board with a
new one introducing a complete damper sliding door operation
(opening-closing) every 25 minutes, as described in the
4812 711
40303. Ice formation is avoided by the periodical operations of
the air baffle which are 'cleaning' the slide path.
If yes
Clean damper and air duct
from ice. Check if damper
works.
Yes
No
Damper is OK
No
Damper is defect.
Change the
damper
Service Bulletin
53
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