Maytag YMEDE250XL0 Mode D'emploi page 20

FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY
5. With the desired drying mode shown, press
the START button to save the drying mode and
exit diagnostics (the START button in this mode
does not start a drying cycle). The result will be
stored in EEPROM of the control board, and will
be retained after a power loss.
6. Press the POWER button at any time to cancel
changes and exit from this mode.
TEST #5 Buttons and Indicators
This test is performed when any of the following
situations occurs during the Console Buttons and
Indicators Diagnostic Test, page 5:
 None of the indicators light up
 No beep sound is heard
 Some buttons do not light indicators
None of the indicators light up:
1. See Diagnostic Guide/Before Servicing...
on page 1.
2. Perform TEST #1, page 12, to verify supply
connections.
3. Perform steps in Accessing & Removing the
Electronic Assemblies, page 21, and visually
check that the P5 connector is inserted all the
way into the machine control electronics.
4. Visually check that the user interface and
and housing assembly is properly inserted
into the front console.
5. If both visual checks pass, replace the
user interface and housing assembly.
6. Reassemble all parts and panels.
7. Plug in dryer or reconnect power.
8. Activate the Service Diagnostic mode per
procedure on page 2. Then activate the User
Interface/Control System test and verify the repair
by completing the Buttons and Indicators test per
procedures on page 5.
9. If indicators still do not light, the machine
control electronics has failed:
Unplug dryer or disconnect power.
Replace the machine control electronics.
Reassemble all parts and panels.
Plug in dryer or reconnect power.
Activate the Service Diagnostic mode per
procedure on page 2. Then activate the User
Interface/Control System test and verify the repair
by completing the Buttons and Indicators test per
procedures on page 5.
No beep sound is heard:
1. Perform steps in Accessing & Removing the
Electronic Assemblies, page 21, and visually
check that the P5 connector is inserted all the
way into the machine control electronics.
If visual check passes, replace the user
interface and housing assembly.
2. Reassemble all parts and panels.
3. Plug in dryer or reconnect power.
4. Activate the Service Diagnostic mode per
procedure on page 2. Then activate the User
Interface/Control System test and verify the repair
by completing the Buttons and Indicators test per
procedures on page 5.
5. If replacing the user interface and housing
assembly failed:
Unplug dryer or disconnect power.
Replace the machine control electronics.
Reassemble all parts and panels.
Plug in dryer or reconnect power.
Activate the Service Diagnostic mode per
procedure on page 2. Then activate the User
Interface/Control System test and verify the repair
by completing the Buttons and Indicators test per
procedures on page 5.
Some buttons do not light indicators:
1. Perform steps in Accessing & Removing the
Electronic Assemblies, page 21, and visually
check that the user interface and housing
assembly is properly inserted into the front console.
If visual check passes, replace the user
interface and housing assembly.
2. Reassemble all parts and panels.
3. Plug in dryer or reconnect power.
4. Activate the Service Diagnostic mode per
procedure on page 2. Then activate the User
Interface/Control System test and verify the repair
by completing the Buttons and Indicators test per
procedures on page 5.
TEST #6 Door Switch
Perform steps under Activating the Service
Diagnostic Mode, page 2, and activate the User
Interface/Control System test. Then perform the
Door Switch Diagnostic test, page 5. Functionality
is verified with a beep each time the door is closed
and opened, and, on models with seven segment
display, an alphanumeric number appears in the
display (i.e., 05). On models without seven
segment display, the TEMP indicators display the
Control Software ID along with the WET or DONE
(COMPLETE on some models) indicator
illuminating to indicate fuel type.
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