Bertazzoni MAST30CSEX Guide De L'utilisateur page 28

EN
Care and maintenance
Descaling procedure
Warning: For safety reasons, the descaling
process cannot be interrupted.
The appliance has to be descaled with the
appliance door closed. The appliance must be in
idle state prior to starting the descaling cycle.
To run a descaling cycle proceed as follows:
1. Press the Descale key during 5 seconds. The
display shows "CAL" and there is an intermittent
beep. (In case you don't want to go ahead with
the descaling procedure press the Stop key, or
just wait for about 5 seconds without pressing
any key).
2. Press the Start key.
3. When the display shows "0.5L", remove the
water tank.
4. Pour 0.5 litres of an adequate descaling solution
into the water tank and put the water tank back.
5. Press the Start key. The Descale cycle is
initiated and takes about 30 minutes.
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6. When the Descale display shows "1L" flashing
and the oven emits a beep, remove and empty
the water tank.
7. Fill the water tank with 1.0 litres of cold water
and put the water tank back.
8. Press the Start key. The first rinsing cycle starts.
9. When the Descale display shows again "1L"
flashing and the oven emits a new beep, remove
and empty the water tank.
10. Fill the water tank with 1.0 litres of cold water
and put the water tank back.
12. Press the Start key. The second rinsing cycle
starts.
13. When the rinsing cycle has finished the display
shows "End".
14. Remove, empty and dry the water tank.