Maytag MDE/MDG21PDA Service Manual page 21

Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
Single Dryer Troubleshooting Guide
Control
Does Not
Respond To
Program
Key Inputs
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!
Enter service mode.
Does display contain Yes
a diagnostic code?
No
Does the keys work
No
in service mode?
Yes
Exit service mode.
Does the display
Yes
show "Select
Cycle"?
No
Put the proper
number of coins
into the coin drop.
16022904 Rev. 0
WARNING
See diagnostic code
troubleshooting guide
Unplug dyer and check
membrane switch tail
connection to the board.
Plug the dryer back in..
Is the door shut?
Yes
Does the help mode
show that the door is
shut?
No
Unplug dryer and check
continuity of the door
switch when the door is
opened and closed.
Does door switch
open and close
properly?
Yes
Unplug dryers and check
wiring and termination
between door switch and
control board.
If problem persists replace
membrane switch.
If problem persists,
replace control board.
No Close the door.
Unplug the dryer , then
Yes
plug it back in.
If problem
persists, replace
control board.
Adjust door switch
No or replace it if
necessary.
If problem
persists, replace
control board.
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