3-14
n
Whirlpool Compact Heat Pump Dryer
COMPONENT TESTING
For Service Technician Use Only
TEST #6: Buttons and Indicators
This test is performed when any of the following situations
occurs during step
S01
of the Service Test Cycle (see page X).
ü
None of the indicators or display turn on
ü
Some buttons do not light
ü
No beep sound is heard
None of the indicators or display turn on:
1. Unplug dryer or disconnect power.
2. Remove top panel, left side panel, and console to access
the ACU and user interface (UI).
3. Visually check that ACU connectors are inserted all the
way into the ACU.
4. Visually check that UI connector is inserted all the way
into the UI. Check for continuity in the UI harness. If there
is no continuity, replace the harness.
5. Visually check that the UI and housing assembly is
properly inserted into the front console.
6. If all visual checks pass, perform TEST #1: ACU Power
Check, page 12, to verify supply voltages.
¾
If supply voltages are present, replace the user
interface and housing assembly.
¾
If supply voltages are not present, replace the ACU.
7. Reassemble all parts and panels.
8. Plug in dryer or reconnect power.
9. Perform step S01 of the Service Test Cycle on page 3 to
verify repair. If it does not pass the test, replace the UI.
Some buttons do not light:
1. Unplug dryer or disconnect power.
2. Remove top panel, left side panel, and console to access
the ACU and user interface (UI).
3. Visually check that the UI and housing assembly is
properly inserted into the front console.
4. If visual check passes, replace the UI and housing
assembly.
5. Reassemble all parts and panels.
6. Plug in dryer or reconnect power.
7. Perform step
S01
of the Service Test Cycle on page 3 to
verify repair. If it does not pass the test, replace the UI.
No beep sound is heard:
1. Unplug dryer or disconnect power.
2. Remove top panel, left side panel, and console to access
the ACU and user interface (UI).
3. Visually check that ACU connectors are inserted all the
way into the ACU.
4. Visually check that UI connector is inserted all the way
into the UI.
5. If all visual checks pass, replace the UI and housing
assembly.
6. Reassemble all parts and panels.
7. Plug in dryer or reconnect power.
8. Perform step
S01
of the Service Test Cycle on page 3 to
verify repair. If it does not pass the test, replace the UI.
WARNING
Electrical Shock Hazard
Disconnect power before servicing.
Failure to do so can result in death or
electrical shock.
Replace all parts and panels before operating.
3$
*(
FOR SER
VICE TECHNICIAN’S USE ONL
Y
DO NOT REMOVE OR DESTRO
Y
CONTROL PANEL (buttons to use when entering Service Diagnostic Mode/Service Test Cycle)
Figure 1 - User Interface.
Options
Delay
Start
Timed
Dry
Dryness
Level
P
Program
3 Sec
Cycle
Signal
Control
Lock
Hold 3 Sec
Steam
X-Dry
Dry
Damp
Dry
Mixed
Heavy Duty
Normal
Synthetics
Delicates
Wool
Air Dry
Refresh
Timed Dry
Bulky/Bedding
Cycle selector knob
POWER button: press and hold until display turns on.
START/PAUSE button:
press and hold to run
Service Test Cycle and
advance through steps
in Service Test Cycle.
DELAY START and OPTIONS buttons: press DELAY START
and OPTIONS buttons together to enter Service Diagnostic
Mode/Service Test Cycle.
POWER button: press and
hold until display turns on.
DELAY WASH and OPTIONS buttons:
press DELAY START and OPTIONS
buttons together to enter Service
Diagnostic Mode/Service Test Cycle.
START/PAUSE button: press
and hold to run Service Test
Cycle and advance through
steps in Service Test Cycle.
Control Knob
Figure 1- Service Diagnostic Mode/Test Cycle