82 GV 640 Service Manual
For internal use only
8.4.1 Checking the water diverter electrically
This is only possible if the side panel on the right has been removed.
Measuring the water diverter motor (standard measurement)
1. Disconnect plug X2 on the power module on
the leads to the water diverter motor, contact 3
and 4, measure the resistance.
If the resistance reading is 8 check the leads
for discontinuity and take a measurement
direct on the motor of the water diverter.
Technical Data:
Rated voltage: 120V
Power consumption: 5W
Frequency: 50/60Hz
Resistance: approx. 1.05k
Ω ± 50Ω or approx. 1.4kΩ ± 70Ω depending on the manufacturer.
No. of revolutions: 5/6 min
Measuring the water diverter (on the component)
This is only possible if the rinsing cavity is opened
up.
8.4.2 Water diverter pulse generator
The pulse generator of the water diverter cannot be checked. The resistance of the supply line must be
measured.
If the pulse generator is faulty, the water diverter will operate constantly. There will be no pulses for ini-
tialisation.
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