Whirlpool Cabrio Service Manual page 22

FOR SERVICE TECHNICIAN'S USE ONLY
The dryer will beep and the current dryness
setting will be displayed on the 7-segment
display. The factory default value is "2".
2. Pressing the dryness or dry level button
cycles the dryness setting between 0, 1, 2, 3,
and 4, starting at the current setting. The new
setting is displayed in the 7-segment display.
3. With the display showing the desired dryness
setting, press the START button to save the
drying mode and exit to standby mode (the
START button in this mode does not start a drying
cycle). The result will be stored in EEPROM of
the ACU and will be retained after a power loss.
NOTE: If there is no user activity for 20 seconds,
or a button other than START, DRYNESS, or
DRY LEVEL is pressed, the dryness setting is
reverted back to its previous setting.
4. Press the POWER button at any time
to cancel changes and exit from this mode.
TEST #6: Buttons and Indicators
This test is performed when any of the following
situations occurs during the "Key Activation &
Encoder Test" (see page 6).
3 None of the indicators or display turn on
3 Some buttons do not light
3 No beep sound is heard
None of the indicators or display turn on:
1. Unplug dryer or disconnect power.
2. Remove console to access the ACU and
user interface (UI).
3. Visually check that ALL ACU connectors
are inserted all the way into the ACU.
4. Visually check that ALL UI connectors
are inserted all the way into the UI.
5. If all visual checks pass, perform TEST
#1: ACU Power Check, page 12, to verify
supply voltages.
 If supply voltages are present, replace
the user interface and housing assembly.
 If supply voltages are not present, replace
the ACU.
6. Reassemble all parts and panels.
7. Plug in dryer or reconnect power.
8. Perform the "Key Activation & Encoder
Test" (see page 6) to verify repair.
PAGE 22
Some buttons do not light:
1. Unplug dryer or disconnect power.
2. Remove console to access the ACU and
user interface (UI).
3. Replace the UI and housing assembly.
4. Reassemble all parts and panels.
5. Plug in dryer or reconnect power.
6. Perform the "Key Activation & Encoder
Test" (see page 6) to verify repair.
No beep sound is heard:
1. Verify that the "End Beep", "Audio Level",
or "Cycle Signal" volume is turned on. Press
the END BEEP , AUDIO LEVEL, or CYCLE
SIGNAL button to adjust the volume level.
2. Unplug dryer or disconnect power.
3. Remove console to access the ACU
and user interface (UI).
4. Visually check that ALL ACU connectors
are inserted all the way into the ACU.
5. Visually check that ALL UI connectors
are inserted all the way into the UI.
6. If all visual checks pass, replace the
UI and housing assembly.
7. Reassemble all parts and panels.
8. Plug in dryer or reconnect power.
9. Perform the "Key Activation & Encoder
Test" (see page 6) to verify repair.
TEST #7: Door Switch
Functionality is verified when opening the
door turns on the drum light. Closing the door
should turn off the drum light.
If the preceding conditions are not met:
1. Unplug dryer or disconnect power.
2. Remove console to access the machine
electronics.
3. Check that the wires between the door
switch and ACU are connected. (Refer to
wiring diagrams on pages 25 and 26.)
 If the connections are good, replace the
wire and door switch assembly and retest.
 If wire and door switch assembly have
been replaced and dryer still does not start,
replace the ACU.
4. Reassemble all parts and panels.
5. Plug in dryer or reconnect power.
6. Verify that the dryer will start with the door
closed, and that it stops when the door opens.
DO NOT REMOVE OR DESTROY