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5 Maintenance
5.2.6.2 Adjusting the sensitivity for oxygen
The sensitivity for oxygen is adjusted with fresh air.
1. Make sure that only fresh air is being drawn in.
2. Open Settings.
3. Select Adjustment from the menu.
4. Select Adjustment O2 from the menu.
5. Wait until the displayed reading is stable. (The reading may
still ash.)
6. Select 20.9 % VOL. (fresh air) from the menu (select and
conrm with OK ). This adjusts the sensitivity. The reading
shows 20.9 % vol.
5.3 Servicing
The device must only be serviced and repaired by SEWERIN
Service.
● Send the device to SEWERIN for repairs and for annual main-
tenance.
Note:
If there is a service agreement in place, the device can be ser-
viced by the mobile maintenance service.
The inspection plate on the device shows con-
rmation of the last maintenance and the next
scheduled maintenance.
Fig. 21: Inspection plate
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