Dryer Controls Mde/Mdg6800, Mdg5500; Control Configuration - Maytag Dryer Service Manual

DRYER CONTROLS MDE/MDG6800, MDG5500

Control Configuration

This Trouble Shooting guide illustrates how the software
works with the 13 and 15 key membrane switches. The
section on Accessing Diagnostic Codes includes
instruction for use with older control boards.
Service Mode
This mode provides Service Personnel the ability to
verify the operation of the dryer.
The Service Mode can be implemented in the middle of
any dry cycle. While in the Service Mode, the
Technician can start special diagnostic tests such as a
System Check Mode, Membrane Pad Check, Display
Software version number and display diagnostic/help
code listings.
Enter Service Mode:
Press Air Fluff and Time (^) - 13 Key Membrane.
or
Air Fluff and Time (+) - 15 Key Membrane.
keys for 3 seconds, or until a beep is heard. The
machine will now be in Service Mode and "d" will be
displayed.
Exit Service Mode
Press the OFF key to exit Service Mode or repeat the
Air Fluff and Time (+) sequence.
Diagnostic Tests
The following table lists the various tests available while
in the Service Mode, which can be accessed by
pressing the following keys:
Key Press
Wrinkle release
Then press
Temperature (^) - 13 Key
or
Dry Temp (^) - 15 Key
Time (v) - 13 Key
or
Time (-) - 15 Key
Sensor Dry Level (^) - 13
Key
or
Very Dry (<) - 15 Key
16023110
16023110
13 Key Membrane
15 Key Membrane
Special
Test/Function
Display list of
diagnostic codes.
To sequence thru
the diagnostic
and help codes.
Display revision
number
View current
cycle temperature
in Celsius
© 2000 Maytag Appliances Sales Company
Key Press
Start/Pause
System Check Mode
While in Service Mode, pressing the
Air Fluff and Signal (+) - 13 Key Membrane
or
Air Fluff and Signal (+) - 15 Key Membrane
keys for 3 seconds, will put the dryer into the System
Check mode and "SC" will display. The following table
lists the various functions based on the keys being
pressed.
System Check Mode Table
Key Pressed:
Sensor Dry
Start/Pause
Temperature (^) - 13 Key
or
Dry Temp (^) - 15 Key
Sensor Dry Level (^) - 13
Key
or
Very Dry (<) - 15 Key
Membrane Pad Check
The membrane check turns all the embedded LED's on.
All the LED's can then be toggled off by pressing the
key associated with the LED.
While in System Check Mode, pressing the
Air Fluff and Sensor Dry - 13 Key
or
Air Fluff and Sensor Dry - 15 Key
keys for 2 seconds, will start a Membrane Pad Switch
Test. To exit the test at any point, press the same keys
again for 2 seconds or press the OFF key to exit
Service Mode.
Section 9.
Special
Test/Function
Start or pause
cycle running but
remain in
diagnostic mode.
Function
Performed
Enable sensor
dry circuit (sense
dry LED) when
short circuit is
detected across
the sensor bars
the normal dry
LED will turn on.
Cycles the motor
relay on/off.
When the motor
is running the
start/pause LED
is on.
If motor is
running, cycles
the heater/gas
valve on/off.
When the heater
is regular temp
LED is on.
View current
cycle temperature
in Celsius.
Dryer Controls Overview
9-12