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Electrolux WSF67251S Service Manual page 4

Domestic household dishwashers

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INDIVIDUAL COMPONENTS AND THEIR RESISTANCE VALUES
You can measure the components either on the PCB connectors or directly from the
component. Measuring from the connectors of the PCB gives definitive results to define the
repair suited. Using the Component Resistance Values from the table below, you can
determine the failed component.
COMPONENTS
ON/OFF Button
Door Switch
Pressure Switch
Drain Pump
Water Inlet Valve
Diverter
Turbo Fan Motor
Heater
Detergent Dispenser
Recirculation Wash
Pump
NTC Sensor
( Relative to water
temperature ºC )
Float Switch
LEGEND: KN = Connector, (e.g. KN2.1 = Connector 2, Position 1)
REAL VALUES
0 Ω
on component
0 Ω
KN2.9 – KN2.2
0 Ω
KN2.10 – KN2.2
∞ Ω
KN2.2 – KN2.4 143 Ω ± 10 Ω (Hanyu)
210 Ω ± 12.6 Ω (Hanning)
KN2.6 – KN 2.9 3750 Ω ± 375 Ω (20ºC )
KN6.1– KN 2.9 6840 Ω ± 342 Ω
KN6.2– KN 2.9 238.6 Ω ± 11.9 Ω
23.95 Ω ± 15 Ω
4450 Ω ± 10 Ω (25 ºC)
KN2.3 – KN2.9
KN 7.3-KN 7.4 25°C – 5000 Ω ± 250 Ω
35°C – 3300 Ω ± 181.5 Ω
55°C – 1520 Ω ± 98.8 Ω
63°C – 1174 Ω ± 88.0 Ω
80°C – 670 Ω ± 53.5 Ω
90°C – 488 Ω ± 41.5 Ω
KN2.1 – KN 2.5
KN2.1 – KN 2.4
95 Ω ± 6.65 Ω
126 Ω ± 8.8 Ω
0 Ω
∞ Ω
Page 4
NOTES
- On/Off Button Is Pressed
- Door Is Closed
- There is Water in Sump
- There is no Water in Sump
- Measured Just on the
Component
- Measured Just on the
Component
- Primary Winding
(on PCB Connector)
- Secondary Winding
(Just on the Component)
- Micro Switch Is Inactive
(No Water Present)
- Micro Switch Is Active
(There is Water Present)

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