Maytag Dryer Service Manual page 69

MDE/MDG7500, MDE/MDG9800
Diagnostic Codes
Code Description
1 Dryer Thermistor
Short Sensed
2 Thermistor Open
Sensed
Door Circuit
3
Failure
4 Possible motor
transistor error
5 Not Used
6 Non Volatile
Memory
16023110
16023110
cycle count
xxxx
exit diagnostic/ clear
help codes help codes
Trigger Action Taken
The Check for:
thermistor - Clogged lint
resistance is
screen.
very low, - Restricted
with a
vent system.
temperature Failed thermistor.
> 175
degrees.
The Check for:
thermistor - Low ambient
resistance is temperature in
very high room (Below
50oF/10oC).
- Outside vent
damper is stuck
open in
wintertime.
Loose or open wire
terminals
Invalid state Check for:
for more - Loose or open wire
than 256 terminals in Door
milliseconds Sense circuit.
If either Check for:
motor - Loose
transistor is connections in
seen open or motor circuit.
shorted - Run System
during Check Mode
startup
and check the
motor relay
function.
- If relay
functions,
disregard the
diagnostic
code.
If relay does not
function, replace
machine control
board.
Problem Disregard
Detected
with integrity
of
parameters
stored in
EEPROM
memory.
© 2000 Maytag Appliances Sales Company
Code Description Trigger
8 Stuck Key A key is
sensed to be
pressed
more than
75 seconds,
the key shall
be assumed
to be stuck.
Membrane Pad Continuity Checks
Note: Unplug connector and touch probe of meter to the
appropriate pin numbers. Meter will show infinity on
open keys and continuity on closed keys.
Membrane Pin Number
Pad
Home J7(3)
Favorites J7(4)
Back J7(3)
Start/Pause J7(4)
Off J7(3)
Help J7(4)
Section 9. Dryer Controls Overview
Action Taken
Run membrane pad
check and replace
console w/membrane
pad if necessary.
Pin Number
J7(5)
J7(5)
J7(6)
J7(7)
J7(7)
J7(6)
9-17