Maytag MAT12PDSA Technical Information page 18

Component Testing Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
Display flashes in
user Mode
Water runs
without program
selected
No hot water or
cold water
Spin instead of
agitating
No spin or
agitate
16022846 Rev 0
!
Check for proper
adjustment of
vault switch
Replace control
Yes
board
Unplug washer.
Does water still No
run?
Yes
Replace water
valve
Run washer
diagnostics
program
Run washer
diagnostics
program
Run washer
diagnostics
program
WARNING
Check wiring and
terminations between
vault switch and control
board
Does vault switch
open and close
properly?
Check wiring and
terminations between
control board and water
valve
18
Unplug washer and connector AA1.
Check for continuity between orange
wire on connector AA1-3 and orange
wire on connector AA1-1 while
cycling vault switch
Replace vault
No
switch
If problem still
exists replace
control board
December 2003