Component Testing Information - GE WDSS4120 Technical Service Manual

Component Testing Information

To avoid risk of electrical shock, personal injury, or death, disconnect power to washer before servicing, unless
testing requires it.
Illustration
Temperature switch
2
1
L1 L2
Mixing valve
Timer
Pressure switch
2
1
3
Lid switch−SPST
Brake pad kit
!
Component
Disconnect wires from component to
properly measure the resistance of the
component.
Place switch in the following positions
and measure across the terminals
below:
Hot / Cold
Warm / Warm
Warm / Cold
Cold / Cold
Measure resistance of terminals on
each valve.
Resistance across each valve.
Verify input and output voltage is
present.
Verify wiring is correctly connected to
the timer.
Do not disconnect the pressure hose
from pressure switch to perform
measurements.
Measure resistance across the
following terminals on the pressure
switch:
Terminal 1 to 2
Terminal 1 to 3
Disconnect wire terminals from switch.
Test terminals with switch closed.
Test terminals with switch open.
If washtub does not stop spinning
within seven seconds after opening
loading door.
If brake pads make noises.
WARNING
Test Procedure
L1-2
L1-1, L1-2, L2-2
L2-1, L2-L1, 1-2
L1-1, L1-2, 1-2
L1-1
8
Results
>1 Ω
>1 Ω
>1 Ω
>1 Ω
Approximately 1000 Ω ± 10%
See timing sequence chart for functional
description of the component.
Refer to wiring diagram/schematic for
correct contacts.
Air pressure that actuates switch is
determined by the water level of the
tub.
Continuity (no pressure)
Continuity (pressure)
>1 Ω
Continuity
Infinite 1 MΩ
Replace all three brake pads.
Apply a thin layer of silicone lubricant on
pads.