Test #4: Keys And Encoders - Whirlpool Cabrio WTW8500DW Technical Education

WARNING
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.

TEST #4: Keys and Encoders

Keys and Encoders Test:
This test is performed when any of the following situations
occurs during "Key Activation & Encoder Test" on page 5-4.
n None of the indicators light up
n Some buttons do not light indicators
n No audio feedback is heard
None of the indicators light up:
1. Unplug washer or disconnect power.
2. Access the console's electronic assemblies and visually
check that the J18 connector is inserted all the way into
the main control and that the UI harness connector is
fully seated on the UI. If the speaker connector is visible,
visually verify that the speaker connector is fully seated.
3. If both visual checks pass, follow procedure under TEST
#1, "Main Control" on page 6-5 to verify supply voltages.
4. Verify the continuity of the UI harness.
ACU J18 - Pin 1
ACU J18 - Pin 2
ACU J18 - Pin 3
¾ If continuity fails, replace the UI harness and go to step
5.
¾ If continuity passes, replace the user interface and go
to step 5.
5. Reassemble all parts and panels.
6. Plug in washer or reconnect power.
7. To verify repair, activate the Service Diagnostic Mode, and
then perform Key Activation & Encoder Test on page 5-4.
For Service Technician Use Only
Black UI J6 - Pin 3
Blue UI J6 - Pin 2
Yellow UI J6 - Pin 1
Some buttons do not light indicators:
1. Unplug washer or disconnect power.
2. Replace the UI assembly.
3. Reassemble all parts and panels.
4. Plug in washer or reconnect power.
5. To verify repair, activate the Service Diagnostic Mode, and
then perform Key Activation & Encoder Test on page 5-4.
No audio feedback is heard:
1. Enter the Service Diagnostic Mode, and then perform Key
Activation & Encoder Test on page 5-4.
¾ If audio feedback is heard with each button press while
in Key Activation & Encoder Test mode, continue to
step 2.
¾ If no audio feedback is heard with each button press
while in Key Activation & Encoder Test mode, continue
to step 4.
2. Exit Key Activation & Encoder Test by pressing POWER.
3. Turn on the washer and enable audio feedback in normal
mode:
¾ On Whirlpool models, press and hold "End Beep" for
3 seconds to change the button sounds level (Off, Low,
Med, High). Each press and hold increments the sound
one level.
¾ On Maytag models, press "Audio Level" to change the
audio level (Off, Low, High).
¾ On Kenmore models, press and hold "Cycle Signal" for
3 seconds to change the button sounds level (Off, Low,
...High). Each press and hold increments the sound one
level.
4. Unplug washer or disconnect power.
5. Access the console electronics and, if needed, remove the
user interface from the console shell and visually check
that the speaker connector on the UI is fully seated.
6. If visual check passes, replace the user interface assembly.
7. Reassemble all parts and panels.
8. Plug in washer or reconnect power. Perform Service
Diagnostics on page 5-6. To verify repair, activate the
Service Diagnostic Mode, and then perform Key Activation
& Encoder Test on page 5-4.
Whirlpool 2014 CABRIO
TESTING
Direct Drive Washer
®
6-11
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