TECH SHEET - DO NOT DISCARD
PAGE 1
W10198668B
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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.
IMPORTANT
Electrostatic Discharge Sensitive
Electronics (ESD)
ESD problems are present everywhere. ESD
may damage or weaken the machine control
electronics. The new control assembly may
appear to work well after repair is finished,
but failure may occur at a later date due to
ESD stress.
Use an anti-static wrist strap. Connect
wrist strap to green ground connection point
or unpainted metal in the appliance -OR-
Touch your finger repeatedly to a green
ground connection point or unpainted metal
in the appliance.
Before removing the part from its package,
touch the anti-static bag to a green ground
connection point or unpainted metal in the
appliance.
Avoid touching electronic parts or terminal
contacts; handle machine control
electronics by edges only.
When repackaging failed machine control
electronics in anti-static bag, observe above
instructions.
DIAGNOSTIC GUIDE
Before servicing, check the following:
Make sure there is power at the wall outlet.
Has a household fuse blown or circuit breaker
tripped? Was a regular fuse used? Use a
time-delay fuse.
Is dryer vent properly installed and clear of lint
or obstructions?
All tests/checks should be made with a VOM
(volt-ohm-milliammeter) or DVM (digital-
voltmeter) having a sensitivity of 20,000
Ω
per volt DC or greater.
Check all connections before replacing
components. Look for broken or loose wires,
failed terminals, or wires not pressed into
connectors far enough.
A potential cause of a control not functioning
is corrosion on connections. Observe
connections and check for continuity with
an ohmmeter.
Connectors: Look at top of connector. Check
for broken or loose wires. Check for wires not
pressed into connector far enough to engage
metal barbs.
Resistance checks must be made with dryer
unplugged or power disconnected.
DIAGNOSTIC TESTS
These tests allow service personnel to test and
verify all inputs to the machine control electronics.
You may want to do a quick and overall checkup
of the dryer with these tests before going to
specific troubleshooting tests.
ACTIVATING THE DIAGNOSTIC
TEST MODE
1.
Be sure the dryer is in standby mode (plugged
in with all indicators off, or with only the Done
indicator on).
2.
Select any one button (except Pause/Cancel
and Controls Lock/Unlock) and follow the steps
below, using the same button (remember the
button):
Press/
hold 2
seconds
Release
for 2
seconds
Press/
hold 2
seconds
Release
for 2
seconds
Press/
hold 2
seconds
3.
If this test mode has been entered successfully,
all indicators on the console are illuminated for
5 seconds with
8:88
showing in the Estimated
Time Remaining three-digit display. If there are
no saved fault codes or active fault codes, all
indicators on the console will momentarily turn
off, then stay on with
8:88
displayed. Continue
with diagnostics.
4.
If entry into Diagnostic Test Mode is
unsuccessful, choose a different button (except
Pause/Cancel and Controls Lock/Unlock) and
repeat step 2.
If no indicators come on after repeating step
2 using a different button, go to TEST #1,
page 4.
DIAGNOSTIC: Active Fault Codes
If there is an active fault code, it will be flashing in
the display. Review the Display Fault/Error Codes
table, page 3, for the recommended procedure.
If there is no active fault code,
8:88
will be
displayed and all of the indicator lights will be
turned on.
DIAGNOSTIC: Saved Fault Codes
If there are saved fault codes, the most recent
fault code will show “F:” and flash “XX” where XX
is the fault code.
Press and release
the same button
used to activate
diagnostics
beep
tone
Second most recent
fault code is
displayed.
Repeat
beep
tone
Third most recent fault
code is displayed.
Repeat
beep
tone
Fourth most recent
fault code is
displayed.
Repeat
All indicators momentarily turn
off, then stay on.
DIAGNOSTIC: Console Buttons and
Indicators
Pressing buttons and rotating the cycle selector
will turn off the corresponding indicator and sound
a beep as shown in figure 1, page 2.
Pressing
(more time) will toggle the
left digit and colon on the display while
sounding a beep.
Pressing
(less time) will toggle the
right two digits on the display while
sounding a beep.
Electric Models Only: Pressing the Wrinkle
Shield button will activate the Inlet Air Flow
Test. See DIAGNOSTIC: Displaying Inlet Air
Flow, page 2.
Pressing the Cycle Signal button will
activate the Line Voltage Test. See
DIAGNOSTIC: Displaying Line Voltage,
page 2.
If indicators fail to come on and beep after
pressing buttons and rotating the cycle
selector, go to TEST #6, page 8.
DIAGNOSTIC: Door Switch
Opening the door should cause a beep and an
alphanumeric number (such as
) to be
displayed. Closing the door should cause a beep
and
8:88
to be displayed.
If opening the door fails to cause a beep and
a number and letter to be displayed, go to
TEST #7, page 9.
NOTE:
Opening the door while in Diagnostic Test
Mode may not activate the drum light. The light
will come on when Start is pressed, or upon
opening the door after the Diagnostic Test Mode
has been canceled.
DIAGNOSTIC: Moisture Sensor
1.
Open the door and locate two metal strips on
the inside of the dryer. Using a wet cloth or one
finger, jointly touch both strips.
If a continuous beep tone is heard and an
alphanumeric number is displayed on the
console, the sensor is OK.
If a continuous beep tone is not heard, or
if a continuous beep tone is heard before
touching both moisture strips, go to step 2.
2.
Check to see if there is water in the dryer
around the moisture strips.
If no water is present, go to TEST #5,
page 8.
If water is present, wipe the strips off
with a dry cloth and repeat step 1.
If wiping the strips does not stop the
beeping, run a timed dry cycle for 2 minutes
to dry out the drum, then repeat this
diagnostic test.
P E
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