System Check Mode Table; Service Mode - Maytag MDE9700A Series Service Manual

Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
Troubleshooting the electronic
control circuit:
• Check for miswiring of the electrical connector at
the electronic control board.
Noisy and/Or Vibration
• Thumping Check for loose tumbler baffle, rear
tumbler roller(s) worn or misaligned, out-of-round
tumbler or high weld seam on tumbler.
• Ticking Check for loose wire harness or object
caught in blower wheel area.
• Scraping Check for front or rear bulkhead felt seal
out of position or worn tumbler front bearings.
• Roaring Check for blower wheel rubbing on blower
housing or bad motor bearings.
• Popping or squealing sound. Check for a sticky
or frayed belt.

Service Mode

This mode provides Service Personnel the ability to
verify the operation of the dryer.
The Service Mode can be implemented at any time,
including the middle of a dry cycle. While in the
Service Mode, the Technician can start special
diagnostic tests such as a System Check Mode, LED
Switch/Check, Display Software version number and
display diagnostic/help code listings.
Enter Service Mode:
Dryer must be on before Service Mode can be
entered. Press Chime and Temperature Keys for 3
seconds, or until 3 beeps are heard. The machine will
now be in Service Mode. Upon entry into Service
Mode, the Sensor Bar Touch
Data is to be displayed.
Exit Service Mode
Press the OFF key to exit Service Mode or repeat the
Chime and Temperature sequence.
Diagnostic Tests
The following table lists the various tests available
while in the Service Mode. Before advancing to the
next test, the current test running must be terminated.
©2005 Maytag Services
!
WARNING
Press the following keys to access:
Key Press
Wrinkle Prevent
Displays "d"
Then rotate the Cycle
Selector Knob
Temperature Key
Start/Pause
System Check Mode
While in Service Mode, pressing the
Time and Wrinkle Prevent keys for 3 seconds, will
put the dryer into the System Check mode and "in"
will display. The following table lists the various
functions based on the keys being pressed.

System Check Mode Table

Key Pressed:
Start/Pause rotary
selector dial
Rotate the Cycle Selector
Knob to Delicates
Rotate the Cycle Selector
Knob to Sensor
Dry
Rotate the Cycle Selector
Knob to Wrinkle Control
Rotate the Cycle Selector
Knob to Time Dry
16025911 Rev. 0
Special
Test/Function
Display list of
diagnostic codes.
To sequence thru
the diagnostic
and help codes.
Display software
revision number
Start or pause
cycle running but
remain in
diagnostic mode.
Display the
number of cycles
ago the
diagnostic code
occurred.
Function
Performed
Cycles the motor
on/off.
LED's and 7
segment display
flash.
View current
cycle temperature
in Celsius.
Segment display
is "1" for sensor
bar short, "0" for
sensor bar open
View current
cycle
temperature in
Fahrenheit.
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