Bosch SRS4002GB Repair Instruction page 12

3.8.6 Sensors
All outgoing signals from the door switch, the level switch, the NTC
sensor and the refill switches are recorded and evaluated by the
microprocessor at the required time.
3.8.7 Components
The components such as the drainage pump, the valves, the
detergent and rinse aid dosage are controlled by triacs. The
circulation pump and the instantaneous water heater are switched on
by relays.
R5 = Filling level
R6 = Filling level
TY6 = Not assigned
TY7 = Dispenser actuator
TY8 = Regeneration valve
TY9 = Filler valve
TY11 = Actuator for top basket valve / water points
58300000002393_ara_en_a.doc – 31.07.07
Front:
Rear:
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