Maytag MAT12PDSA User Manual

Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
December 2003 16022846 Rev 0
9
Washer
diagnostic
Program
No user program should be in
progress. The lid should be
closed and the washer tub
should be empty before running
this test.
Enter operator mode using service
switch. Push the delicates and
knits program keypad for more
than one second.
With entire display blinking on
and off, if any segments of the
entire display are not working,
replace the control board.
Push the woolens program
keypad to start the diagnostic
program.
Does cold water run when "C"
is in the display?
Push the woolens program keypad
to stop / start the diagnostics in the
current phase.
Does hot water run when "C" is
in the display?
The hoses may be crossed or
the water valve miswired.
If washer will not fill, agitate or
spin, unplug washer and check for
continuity of lid switch.
Does switch check closed with
lid closed?
Adjust lid switch or replace
switch if necessary.
Does hot water run when "H" is in
the display?
Push the woolens program keypad
to stop / start the diagnostics in
the current phase.
Check water shutoff valves,
filter screens and hose routing.
Yes
No
No
No
No
Yes
Yes
Check wiring and terminations
between water valves, pressure
switch and control board.
Does 115VAC appear between the
brown and red wires on connector
AA7?
Replace pressure switch or
hose.
Does 115VAC appear between the
blue and red wires (cold water
check) or orange and red wires
(hot water check) on the control
board edge connector AA7?
Replace control boardReplace water valve.
No
Yes
No
Does "C" appear in the
display?
Does "A" appear in the
display?
Yes
No
Water level looks full; Go
to "A".
Warm water runs when "Ch" is in
the display.
Yes
Yes
Yes

Maytag MAT12PDSA Specifications

General

Brand	Maytag
Model	MAT12PDSA
Category	Washer
Language	English