Water Valve And Flood Switch - GE EDW4000 Technical Service Manual

Replacement
To remove the turbidity sensor from the side of the
sump, loosen the screw and slide the retaining
clamp back. Remove turbidity sensor from the
sump and unplug connector from the turbidity
sensor.
Note: When installing the turbidity sensor, align
the key on the sensor with the keyway on the
sump.

Water Valve and Flood Switch

The water valve is a 120 VAC (L1) solenoid valve
that is switched on/off by the control module. The
flood switch acts as a safety switch only and does
not control normal operation of the water valve.
The flood switch opens the L1 side of the water
valve circuit.
Water Valve Replacement
The water valve can be replaced with the dish-
washer installed.
WARNING: Disconnect power to dishwasher
before proceeding.
1. Turn off water supply to dishwasher.
2. Remove toekick.
3. Disconnect house plumbing from dishwasher.
4. Remove 2 screws and valve from dishwasher
frame.
5. Disconnect connector.
6. Move clamp up, away from valve, and remove
valve from hose.
Note: To prevent leaks after installation, ensure
that hose-to-valve connection is good and that
clamp is in place.
Water Valve Test
1. Attempt to activate water valve using service
mode (see
Service Mode
water as necessary using service mode. If an
intermittent failure is suspected, activate water
valve 5 times using service mode. Water valve
should stay on for 50 - 71 seconds per activa-
tion and should not turn on and off during the
50 - 71 second activation time.
2. If the water valve is not operating properly or
chapter). Pump out
– 22 –
Screw
Screw
Turbidity
sensor
shown
partially
removed.
WATER VALVE AND
FLOOD SWITCH
L1 voltage from J2-2
FLOOD
WATER VALVE
SWITCH
PX YX
J2-2
NO
C
Screws
Clamp
Water Valve
Connector
Keyway and Key
DOOR
INTERLOCK
WR WX
NO COM
725-1200
Flood Switch
Water Valve
N