Maytag 1999 Sloped-Front, Service Manual

Page: 60 / 102

© 2000 Maytag Appliances Sales Company
Section 9. Dryer Controls Overview
9-8
The down arrow key will sequence down the
list one each time it is pushed with no wrap.
The first time the down arrow key is pushed
the display will sequence to the next code
logged. The last code being displayed being
the oldest code. The up arrow will sequence
up the list one code each time it is pushed
until it reaches the top code. If there are no
diagnostic codes available, ‘00‘ will be
displayed for the diagnostic code.
There will be no multiple occurrences of
either a diagnostic code or help code gener-
ated in the same cycle reported on the list.
But if the same code occurs in repeated
cycles, it will be registered.
To clear the diagnostic code list press
wrinkle prevent and very dry (>) for 5
seconds while viewing the list.
System Check Mode
While in diagnostic mode, pressing the damp
dry and signal (+) keys for 2 seconds, will
put the dryer into the system check mode.
"SC" will display.
This mode will allow the various inputs and
outputs to be controlled and viewed by the
technician by pressing individual keys. If no
activity is seen for 5 minutes after a key is
depressed, the control will reset back to the
normal mode. If no further activity is seen
after an additional 5 minutes the washer will
turn off. The following table lists the various
functions based upon on keys being de-
pressed.
Membrane Pad Check
While in system check mode, pressing the
damp dry and sensor dry keys for 5 seconds,
will start a membrane pad switch test.
The membrane check involves turning all the
embedded LED on the membrane pad on.
All the LED’s can be toggled off by pressing
the key associated with the LED. To exit the
test at any point, press the damp dry (>) &
sensor dry keys again for 5 seconds or press
the off key to exit diagnostic 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.
dry temp(^ )
If motor is running, cycles
the heater/gas valve on/off.
When the heater is regular
temp LED is on.
very dry(< )
View current cycle
temperature (C
o
)