Siemens LC 75652 Mode D'emploi Et Notice De Montage page 22

Setting the saturation indicator
If it becomes necessary to change the
operating mode (exhaust-air/recirculating
mode), the saturation indicator for the filters
must also be altered (see Installation
Instructions).
22
If you encounter a problem
If an or appears in the display:
# ã
See "Filters and maintenance" Section.
If is not possible to operate the extractor
hood:
Disconnect the extractor hood from the
mains electricity supply by pulling out the
plug or switching it off at the main fuse
box.
Wait for approx. 1 minute and then
switch it on again.
If you have any questions or if a fault
occurs, please call Customer Service.
(See list of Customer Service
representatives).
When you call, please quote the following:
E-Nr.
Enter the relevant numbers into the box
above. The E-Nr. (product no.) and FD
(production date) are shown on the
nameplate which can be seen inside the
extractor hood after the filter frame has
been detached.
FD