70 GV 640 Service Manual
For internal use only
1 Seal
2Housing
3 Circuit board with a light barrier
7.5.1 Replacing the aqua sensor
This is only possible if the base panel and the base sheet have been removed.
Removing
1. Release the catch.
2. Turn the aqua sensor housing anti-clockwise
by 90°.
3. Pull it out to the front.
Installation
Insert the circuit board and engage it.
1. Press the aqua sensor with the circuit board
upright into the pump cavity.
2. Turn clockwise by 90° and engage.
Please note!
The gasket can be coated with
Promol or rinse aid to make it easier
to turn the aqua sensor.
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