BSH HN678G4S1, Repair Instructions, Page: 17 / 181

Design and function
2016-03-10 / DIS 184_58300000140186_ara_en_k Copyright by BSH Hausgeräte GmbH Page 17 of 181
3.4 Steam generation
Fig. 15: Overview of the components
1 Water tank in the housing 4 Steam generator
2 Water pump 5 Steam hose
3 Steam electronics
The water pump pumps the water from the water tank to the steam generator.
The water level in the steam generator is monitored by a water level sensor.
The steam electronics will switch the heater on if there is sufficient water in the
steam generator.
The steam that is created flows through the steam hose into the interior of the
cooking compartment.
The duration and amount of steam generation depends on the programme that is
selected.