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© 2000 Maytag Appliances Sales Company
16023110
Section 9. Dryer Controls Overview
9-12
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.
13 Key Membrane
15 Key Membrane
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 Special
Test/Function
Wrinkle release
Then press
Temperature (^)
- 13 Key
or
Dry Temp (^) - 15 Key
Display list of
diagnostic codes.
To sequence thru
the diagnostic
and help codes.
Time (v)
- 13 Key
or
Time (-)
- 15 Key
Display revision
number
Sensor Dry Level (^)
- 13
Key
or
Very Dry (<) - 15 Key
View current
cycle temperature
in Celsius
Key Press Special
Test/Function
Start/Pause
Start or pause
cycle running but
remain in
diagnostic mode.
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
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 ke
ys
again for 2 seconds or press the
OFF
key to exit
Service Mode.
Key Pressed: Function
Performed
Sensor Dry
Enable sensor
dry circuit (sense
dry LED) when
short circuit is
detected across
the sensor bars
the normal dry
LED will turn on.
Start/Pause
Cycles the motor
relay on/off.
When the motor
is running the
start/pause LED
is on.
Temperature (^)
- 13 Key
or
Dry Temp (^) - 15 Key
If motor is
running, cycles
the heater/gas
valve on/off.
When the heater
is regular temp
LED is on.
Sensor Dry Level (^)
- 13
Key
or
Very Dry (<) - 15 Key
View current
cycle temperature
in Celsius.
DRYER CONTROLS MDE/MDG6800, MDG5500
16023110