Maytag MAT12PDSA Technical Information page 12

Component Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
d1
d3
d4
d5
d7
d8
d9
d12
d13
d16
16022846 Rev 0
!
WARNING
Try to clear diagnostic
code by pushing delicate
and knits keypad for one
second.
Check wiriing and
terminations on water
valve thermistor.
Try to clear diagnostic
code by pushing delicate
and knits keypad for one
second.
Check wiring and
terminations between
first coin drop and
control board.
Check for plugged
screen on fill hoses
Check drain hose for
being plugged or kinked
This diagnostic code indicates a
low voltage condition has occurred.
check installation to insure proper
power to washer.
Try to clear diagnostic code by
pushing delicate and knits keypad
for one second.
Check wiring and terminations
between second coin drop and
control board.
Is card reader Check wiring between debit card
installed? reader and control board.
No
Install reader or use PDA to change mode
out of Gen 2 debit mode.
12
Yes
Did diagnostic code
cancel?
No
Yes
Did diagnostic code
cancel?
No
Check for object blocking
first coin drop optic
sensor. Then check
transformer for loss of 24
volt circuit.
This diagnostic code will appear routinely
if washer fills slowly and may be ignored if
the water pressure is very low
Check pump belt for
proper tension
False failure indication
control board is ok.
Yes
Did failure code cancel?
No
Check for object blocking
second coin drop optic Yes
sensor.
Power down and
up machine to
reset card
reader.
False diagnostic indication.
Control board is ok.
Replace control board.
False diagnostic indication.
Control board is ok.
Replace control board.
Replace first coin drop
optic sensor if it still
appears in display.
This failure code will
appear routinely if
washer drains slowly.
This failure does not affect the
operation of the control. It will only
affect no run counts in an Accutrac
environment. It can be corrected by
replacing the control board.
Replace second coin drop
optic sensor if F13 still
appears in display.
Replace card
reader or control
board.
December 2003