Bosch 300 Serie Manuel D'utilisation page 20

Remove old light bulb and replace only with equivalent
6.
30 watt bulb available from parts distributor. Bulbs are
also available at most hardware stores or lighting
centers.
Note: DO NOT USE BULB LARGER THAN 30 WATTS.
Replace the microwave oven light cover by carefully
7.
pushing into place. Replace the charcoal filter. Push
the vent grill back into place (engaging both the
bottom and top tabs) and replace the vent grill
mounting screws
20
Charcoal filter replacement
The charcoal filter, which was enclosed with your
microwave oven, is used for nonvented, recirculated
installation (Room Venting). The filter should be changed
every 6 to 12 months depending on use.
Disconnect power to the microwave oven at the circuit
1.
breaker panel or by unplugging.
Remove the vent grill mounting screws.
2.
Pull the vent grill away from the unit.
3.
Change the charcoal filter.
4.
Carefully push the vent grill back into place and
5.
replace the screws removed in Step 2.
Note: If no charcoal filter is installed, it is not possible
to bind the odorous substances in the cooking
vapours.