SOI/DT 2007-11 dmm
42/69
599 70 39-88
10.3 Water fill system
The electric valves are powered by the PCB by means of the triac and the control of the water level in the tub is
carried out by the analogue pressure switch.
3 Analogue
pressure
switch
5
Prewash electric valve
6
Wash electric valve
7
Bleach electric valve
20 PCB
10.3.1 Flow
meter
Some models of solenoid valves have a built-in flow sensor which measures the quantity of water in litres that is
loaded into the appliance.
If the sensor malfunctions, the water level is controlled by the analogue pressure switch.
Solenoid valve – exploded view
Main board
Turbine
1-Circuit
board 4-Diffuser
2-Turbine 5-Double
filter
3-Deflector
6- Reed switch
7-Magnet