Bosch SGE63E05UC/28 Repair Manual download pdf (Page 22)

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Rev 0 (1/17/08)

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22

Optical and top-load dispensers measure rinse-aid levels with optical sensors instead of reed

switches.

Service Tips

Service Tips

–

–

Optical Sensor Dispensers

Optical Sensor Dispensers

HINT: Optical

dispensers have

different connections

and can’t be

substituted for reed

switch dispensers.

Cable guide

Transmitter diode

Receiver

diode

Prism

When rinse-aid has run out, the optical

receiver senses a strong light beam.

Optical rinse-

aid sensor

NOTE: Top-load and standard

dispensers are NOT

interchangeable.

Standard dispenser

Top-load

dispenser

¾

¾

Transmitter diode

Receiver

diode

Prism

With rinse-aid present, the optical

receiver senses a diffused light beam.

Optical rinse-

aid sensor

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