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Maytag MAH9700A Series Technical Information page 12

27” front load washer

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Troubleshooting Procedures
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
Diag.
Description
Trigger
Code
A key is sensed
to be pressed
more than 30
15
Stuck Key
seconds, the key
will be assumed
to be stuck.
The door has not
been opened
Door/Lid
after two
switch was
complete wash
not seen
17
cycles. Door
open since
switch was not
the last two
seen open since
final spins
the last two final
Detected
door lock
Open door lock
switch open
18
switch with
during cycle
motor running.
when not
expected.
19-21
Door/lid
Door switch is
switch
read as open
detected
22
and the door
open during
locked switch is
cycle (when
read as locked.
not paused).
23-24
Tach signal
Motor tach
exists without
signal exists
25
torque command
without motor
or when not
running.
expected.
26-28
Sump
Abnormal
thermistor
high/low temp or
29
failure
ohm resistance
(Optional)
30-33
16026736
!
Action to be
taken
Display "E2". See
LED/Switch Test.
Check connection
of keypad to
control board.
Replace console if
necessary.
Will display "od". If
door open sensed,
error will clear.
Check door lock.
spins.
Check for loose
wire connections.
Clear the
diagnostic code
and recheck; if
reoccurs, see
Door Lock Test.
Check door lock
system. See
Board Output
Test. Check the
output voltage of
door lock coil. If
normal, change
door lock switch. If
not normal, change
Machine Control
Board.
Not Used
See Door Lock
Test
"Troubleshooting
Procedures".
Not Used
Displays "bE".
Replace Motor
Control Board.
Not Used
Displays " tE".
- Loose or pinched
wires.
- Bad sump
seen
thermistor.
Not Used
WARNING
Diag.
Description
Code
Motor Drive
failure
2E
(Locked, Hall
sensor fault)
System
34
Relay failure
35
Motor failure
3E
(Over
current)
40-49
Voltage for
motor control
91
bus is over
specified limit
Voltage for
92
motor control
specified limit
Exit Service Mode
To exit:
1) Press Chime and Extra Rinse keys for 3
seconds again, or
2) Press the Power Off key, or
3) Unplug the machine. After five (5) minutes of
inactivity (user key presses) in Service Mode,
the machine will exit the Service Mode and
resume normal operations. Pressing the Power
Off key will completely exit Service Mode. If a
cycle is running, cancel the cycle. Pressing the
Rotary Selector knob while running a test will
pause the individual test, while remaining in
Service Mode. A power loss during Service
Mode will cancel this mode.
12
Trigger
Action to be
taken
Display "E3"
Evaluate wire
Machine control
harness for loose
is attempting to
or unhooked
drive the motor
connections. If
but is not seeing
machine has
any tach
separate motor
response. Visual
control, perform
check shows
self diagnostic
motor is not
motor test. See
moving.
"Board Output
Test".
Machine control
Display "Sr".
does not see
Replace machine
relay open when
control board.
it should.
Not Used
Displays
"3E".Check the
Over Current is
motor windings,
detected. Motor
the speed sensor,
won't turn.
wiring connections,
or Control Board.
Not Used
Display
Voltage for motor
"2E".Replace
control bus is
Machine Control
over limit
Board.
Display
Voltage for motor
control bus is
"2E".Replace
under specified
Machine Control
limit.
Board.
June 2006
©2006 Maytag Services

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