Activating Service Diagnostic Mode - Whirlpool WED9500E SERIES Service Manual

Make sure there is power at the wall outlet.
Make sure control lock is not enabled.
DIAGNOSTICS & TROUBLESHOOTING Has a household fuse blown or circuit breaker
tripped? Was a regular fuse used? Inform
customer that a time-delay fuse is required.
Diagnostic Guide
Is dryer vent properly installed and clear
Before servicing, check the following:
of lint or obstructions?
n Make sure there is power at the wall outlet.
All tests/checks should be made with a
n Make sure control lock is not enabled.
n Has a household fuse blown or circuit breaker tripped? Was VOM (volt-ohm-milliammeter) or DVM
a regular fuse used? Inform customer that a time-delay
(digital-voltmeter) having a sensitivity of
fuse is required.
20,000 per volt DC or greater.
n Is dryer vent properly installed and clear of lint or
obstructions?
Resistance checks must be made with
n All tests/checks should be made with a VOM (volt-
ohm-milliammeter) or DVM (digital-voltmeter) having a
dryer unplugged or power disconnected.
sensitivity of 20,000 Ω per volt DC or greater.
n Resistance checks must be made with dryer unplugged or
IMPORTANT: Avoid using large
power disconnected.
diameter probes when checking harness
n IMPORTANT: Avoid using large diameter probes when
checking harness connectors as the probes may damage
connectors as the probes may damage
the connectors upon insertion.
the connectors upon insertion.
n Check all harnesses and connections before replacing
components. Look for connectors not fully seated, broken
Check all harnesses and connections
or loose wires and terminals, pin insertion, or wires not
pressed into connectors far enough to engage metal barbs.
before replacing components. Look for
n A potential cause of a control not functioning is corrosion
connectors not fully seated, broken or
or contamination on connections. Use an ohmmeter to
check for continuity across suspected connections. loose wires and terminals, pin insertion,
Service Diagnostic Mode
or wires not pressed into connectors
far enough to engage metal barbs.
These tests allow service personnel to test and verify all inputs
to the machine control electronics. You may want to do a quick
A potential cause of a control not
and overall checkup of the dryer with these tests before going
to specific troubleshooting tests.
functioning is corrosion or contamination on

Activating Service Diagnostic Mode

connections. Use an ohmmeter to check for
1. Be sure the dryer is in standby mode (plugged in with all
continuity across suspected connections.
indicators off).
2. Select any three (3) buttons (except POWER) and follow
the steps below, using the same buttons (remember the
buttons and the order that the buttons were pressed):
1st Button
2nd Button
3rd Button
• See "Activating Service Diagnostic Mode" to activate these buttons. Make sure all of step 3 is complete before
• See "Activating Service Diagnostic Mode" to activate these buttons. Make sure all of step 3 is complete before activation.
activation.
2-4 Whirlpool & Maytag 9.2 Cu. Ft. Steam Dryer
n
For Service Technician Use Only
SERVICE DIAGNOSTIC MENU TABLE
Button Press
- Momentary press
- Press and hold for 5 secs.
- Momentary press
- Press and hold for 5 secs.
- Momentary press
- Press and hold for 5 secs.
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 SERVICE DIAGNOSTIC MODE
Within 8 seconds,
• Press and Release the 1st selected button,
1. Be sure the dryer is in standby mode
• Press and Release the 2nd selected button,
(plugged in with all indicators off).
• Press and Release the 3rd selected button;
2. Select any three (3) buttons (except • Repeat this 3 button sequence 2 more times.
3. If this test mode has been entered successfully, all
POWER) and follow the steps below, using
indicators on the console will be illuminated for 5 seconds
the same buttons (remember the buttons and
with "888" showing in the three-digit display and a tone
will sound. If there are no saved fault codes, all indicators
the order that the buttons were pressed):
on the console will turn off, and only the seven segment
display will remain on.
Within 8 seconds,
NOTE: The Service Diagnostic mode will time out after
• Press and Release the 1st selected button,
10 minutes of user inactivity, or shut down if AC power is
removed from the dryer.
• Press and Release the 2nd selected button,
Unsuccessful Activation
• Press and Release the 3rd selected button;
If entry into diagnostic mode is unsuccessful, refer to the
following indications and actions:
• Repeat this 3 button sequence 2 more times.
Indication 1: None of the indicators or display turn on.
3. If this test mode has been entered
Action: Select any cycle.
¾ If indicators come on, try to change the function for the successfully, all indicators on the console
three buttons used to activate the diagnostic test mode. If
will be illuminated for 5 seconds with "
any button is unable to change the function, something is
faulty with the button, and it will not be possible to enter
showing in the three-digit display and a tone
the diagnostic mode using that button. Replace the user
will sound. If there are no saved fault codes,
interface and housing assembly.
¾ If no indicators come on after selecting the cycle, go to
all indicators on the console will turn off,
TEST #1, ACU Power Check, page 3-6.
and only the seven segment display will
Indication 2: Console indicators begin flashing immediately.
remain on.
Action: If console indicators begin flashing on and off
immediately, replace the user interface.
NOTE: The Service Diagnostic mode will time
Activation with Saved Fault Codes
out after 10 minutes of user inactivity, or shut
If there is a saved fault code, it will be flashing in the display.
Review the Fault/Error Codes table on page 2-8 for the
down if AC power is removed from the dryer.
recommended procedure. If there is no saved fault code,
"888" will be displayed.
Function Behavior
- Activates Key Activation
& Encoder Test
- Exits Service Diagnostics
- Activates Service Test Mode
- Software Version Display
- Displays Next Error Code
- Clears the Error Codes
"