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© 2010 Viking Preferred Service
15
Service Diagnostics and Procedures
Control Board Test Points
The unit has a control board that controls the functions of the dishwasher. Components can be diagnosed via
the control board. With the control board accessed (
see Control Board Disassembly procedure, page 34)
, the
following can be measured:
Component
Control Board Test Point
Readings (Typical)
Door Switch
P4-1 (Yellow) – P4-2 (RD/WH)
0
Ω
door closed
∞
Ω
door open
Dispenser
P4-1 – P4-4
8.3
Ω
Wash Motor
P5-1 (Red) – P5-2 (White)
6.3
Ω
Water Valve
P6-3 (Blue) – P10-1 (White)
1.1K
Ω
Drain Pump
P6-4 (Brown) – P10-1 (White)
15.1
Ω
Diverter
P6-2 (Gray) – P10-1 (White)
2.7K
Ω
Moisture Sensor
P8-1 (Red/White) – P8-2 (Purple)
175K
Ω
Temperature Sensor
P8-3 (Black/White) – P8-4 (Blue)
47K
Ω
@
77˚ (varies based on temp)
Water Heater
P12 (Gray) – P10-1 (White)
12.00
Ω