Level Sensor With Safety Function - Bosch GV 630 S Repair Instructions

4.14

Level sensor with safety function

If the dishwasher controller or components malfunction, causing the
machine to overfill, the valve combination is closed via the safety
system, shutting off the water supply. The drainage pump is switched
on via the safety level switch. Pumping continues until the safety level
switch switches back again. Any leaks inside the machine are
collected in the base pan. Any leaks in the supply hose are conveyed
to the base pan via the leakage water hose.
Once a predefined level has been reached in the base pan, the float
uses a switch lever to actuate the safety level switch which then
electrically switches off the filling and safety valve. At the same time
the drainage pump is switched on, the detergent solution is removed
from the rinsing tank and the drainage pump switches to continuous
operation.
A = Safety level switch
B = Safety level float
C = To the pump sump
D = Float in the base pan
E = From the water softening system
F = - - -
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