Control Board Test Points - Viking VDB200 Service Manual

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
Door Switch
Dispenser
Wash Motor
Water Valve
Drain Pump
Diverter
Moisture Sensor
Temperature Sensor
Water Heater
© 2010 Viking Preferred Service
Control Board Test Point
P4-1 (Yellow) – P4-2 (RD/WH)
P4-1 – P4-4
P5-1 (Red) – P5-2 (White)
P6-3 (Blue) – P10-1 (White)
P6-4 (Brown) – P10-1 (White)
P6-2 (Gray) – P10-1 (White)
P8-1 (Red/White) – P8-2 (Purple)
P8-3 (Black/White) – P8-4 (Blue)
P12 (Gray) – P10-1 (White)
Readings (Typical)
0 Ω door closed
∞
Ω door open
8.3 Ω
6.3 Ω
1.1K Ω
15.1 Ω
2.7K Ω
175K Ω
47K Ω @ 77˚ (varies based on temp)
12.00 Ω
15