Whirlpool Gold GU2800XTV, Manual, Page: 56 / 75

5-1
COMPONENT TESTING
Electrical Shock Hazard
Disconnect power before servicing.
Replace all parts and panels before operating.
Failure to do so can result in death or electrical shock.
WARNING
TESTING DISHWASHER COMPONENTS
FROM THE CONTROL
Check all connections before replacing com- •
ponents, looking for broken or loose wires,
failed terminals, or wires not pressed into
connectors far enough.
Voltage checks must be made with all con-
•
nectors attached to the boards.
Resistance checks must be made with power
•
cord unplugged from outlet, and with wiring
harness or connectors disconnected from
the control.
Before testing any of the components,
perform the following checks:
The most common cause for mis-dianosed •
control failure is poor connections.
Therefore, disconnecting, inspecting and
reconnecting wires will be necessary
throughout test procedures.
All tests/checks should be made with a
•
VOM or DVM having a sensitivity of 20,000
ohms-per-volt DC, or greater.
HEATER CIRCuIT
1. Place one probe on the P9 position and
the other on P3 position.
2. Should be between 10 Ω to 30 Ω.
WATER VALVE CIRCuIT
1. Place one probe on the P10 Pin 1 position
and the other on P11 Pin 3 position.
2. Should be between 890 Ω to 1090 Ω.