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TECH SHEET - DO NOT DISCARD
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
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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/
Release
hold 2
seconds
seconds
3. If this test mode has been entered successfully,
all indicators on the console are illuminated for
5 seconds with
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
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,
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
Repeat
Repeat
Repeat
I
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N
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Y
Press/
Release
Press/
for 2
hold 2
for 2
hold 2
seconds
seconds
seconds
8 : 88
showing in the Estimated
8 : 88
displayed. Continue
8 : 88
will be
beep
Second most recent
tone
fault code is displayed.
beep
Third most recent fault
tone
code is displayed.
beep
Fourth most recent
tone
fault code is displayed.
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
P :3 E
alphanumeric number (such as
displayed. Closing the door should cause a beep
8 : 88
and
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
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 TEST #5, page 8.
DIAGNOSTIC: Motor, Heater, and
Console ID
Close the door. Press the Start button. The motor
and heater will turn on. Continuing to press the
Start button will display the project codes and
software revisions. These codes are not relevant
to the service of the dryer and can be ignored.
NOTE: The console buttons only control the
indicator lights in Diagnostic Test Mode. When the
buttons are pressed, the corresponding features
will not be activated.
If the motor does not turn on, go to TEST #3,
page 5.
If no heat is detected, go to TEST #4, page 6.
P
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PAGE 1
) to be
10198666B
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Table of Contents
Related Manuals for Whirlpool WED9400SB1
Summary of Contents for Whirlpool WED9400SB1
- Page 1 TECH SHEET - DO NOT DISCARD PAGE 1 WARNING pressed into connector far enough to engage DIAGNOSTIC: Console Buttons and metal barbs. Indicators Electrical Shock Hazard Resistance checks must be made with dryer Pressing buttons and rotating the cycle selector unplugged or power disconnected.
- Page 2 TECH SHEET - DO NOT DISCARD PAGE 2 Wrinkle Shield button “Less Time” button “More Time” button controls its own indicator Power button controls turns the middle and turns the left digit and starts Inlet its own indicator and right digit of the and colon of the Start button controls its own indicator, Air Flow Diagnostic.
-
Page 3: Display Fault/Error Codes
TECH SHEET - DO NOT DISCARD PAGE 3 DISPLAY FAULT/ERROR CODES See Accessing & Removing the Electronic The fault codes below would be indicated when attempting to start Assemblies, page 9, to access: a drying cycle, or after activating the Diagnostic Test Mode. Machine Control Electronics Console Electronics and Housing Display... -
Page 4: Troubleshooting Guide
TECH SHEET - DO NOT DISCARD PAGE 4 6. With an ohmmeter, check for continuity TROUBLESHOOTING GUIDE TROUBLESHOOTING TESTS between the L1 terminal of the plug (found in Some tests will require accessing components. NOTE: These checks are done with the dryer step 4) and P9-2 (black wire) on the machine See figure 2, page 3, for component locations. - Page 5 TECH SHEET - DO NOT DISCARD PAGE 5 If there is no continuity, disconnect the white 4. Replace the machine control electronics. wire of the harness from the power cord at Drive Motor 5. Plug in dryer or reconnect power. the location illustrated in figure 5.
-
Page 6: All Dryers
TECH SHEET - DO NOT DISCARD PAGE 6 4. Visually check the wire connections to the thermal cut-off, high limit thermostat, and heater. If connections look good, check for continuity across each of these components. Replace the heater if it is electrically open. Lt. - Page 7 TECH SHEET - DO NOT DISCARD PAGE 7 If resistance is greater than 0 (zero), replace INLET THERMISTOR RESISTANCE TEST #4a Thermistors wiring harness. RES. RES. TEMP. TEMP. Outlet Thermistor ALL DRYERS: RANGE RANGE °F (°C) °F (°C) kΩ kΩ The machine control electronics monitors the The following table gives temperatures and 68°...
- Page 8 TECH SHEET - DO NOT DISCARD PAGE 8 TEST #4d Gas Valve, Gas Dryer TEST #5a Adjusting Customer-Focused Drying Modes Drum 1. Unplug dryer or disconnect power. NOTE: If the customer is complaining about the 2. Access the gas valve by removing the toe clothes being damp and the moisture sensor panel.
-
Page 9: Removing The Toe Panel
TECH SHEET - DO NOT DISCARD PAGE 9 No beep sound is heard: ACCESSING & REMOVING THE 1. Perform steps in Accessing & Removing the ELECTRONIC ASSEMBLIES Electronic Assemblies, at right, and visually There are two electronic assemblies: the Machine check that the P5 connector is inserted all the Control Electronics, and the Console Electronics way into the machine control electronics. - Page 10 TECH SHEET - DO NOT DISCARD PAGE 10 Figure 17. Machine control electronics. 3. Remove all the wire connections to the 5. The console mounting bracket is fastened to machine control electronics. See figure 17. the console front panel with two latches at both sides of the console assembly.
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Page 11: Removing The Back Panel
TECH SHEET - DO NOT DISCARD PAGE 11 REMOVING THE BACK PANEL 1. Unplug dryer or disconnect power. 2. Remove the two rear screws from the top panel, and slide the top panel to the rear to remove. 3. Remove the cover plate, disconnect the power cord, and remove ground screw. - Page 12 TECH SHEET - DO NOT DISCARD PAGE 12 ELECTRIC DRYER WIRING DIAGRAM IMPORTANT: Electrostatic (static electricity) discharge may cause damage to machine control electronics. See page 1 for details. R – LINE L2 L1 LINE – BK 240 VOLTS W – NEUTRAL N 120 VOLTS NEUTRAL TERMINAL...