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Troubleshooting
To avoid risk of electrical shock, personal injury or death; disconnect power to washer before servicing, unless
testing requires power.
Diag.
Description
Code
Detected door
lock switch
18
open during
cycle when not
expected.
19-21
Door/lid switch
seen open
22
during cycle
(when not
paused).
23-24
Motor tach
signal exists
25
without motor
running.
26-28
Sump
thermistor
29
failure
(Optional)
Exit Service Mode
To exit: 1) Press Chime and Extra Rinse keys for 3
seconds again, or 2) press Off, 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 Off key will completely exit Service Mode. If a cycle
is running, cancel the cycle. Pressing the Rotary
Selector key while running a test will pause the
individual test, while remaining in Service Mode. A
power loss during Service Mode will cancel this mode.
Action to be
Trigger
taken
Check for
loose wire
connections
Clear the
diagnostic
code and
recheck; if
Open door lock
reoccurs,
switch with motor
perform
running.
Diagnostic
Motor/Machine
Control Board
test Check for
faulty motor
relay on the
machine
control board.
Not Used
Door switch is
Go to "Door
read as open and
Lock Test"
the door locked
Troubleshooting
switch is read as
Section
locked.
Not Used
Tach signal exists
without torque
Displays
commanded or
" bE". Replace
when not
motor control
expected
board.
(Abnormal
condition only).
Not Used
Displays " tE".
- Loose or
Abnormal high/low
pinched
temp or ohm
wires
resistance seen
- Bad sump
thermistor
WARNING
Diag.
Description
Code
2E
(Locked, Hall
30-33
System Relay
34
35
Heater relay
36
Motor failure
3E
(Over current)
40-90
motor control
91
specified limit
motor control
92
bus is under
specified limit
11
Trigger
Machine control is
attempting to drive
the motor but is
Motor Drive
not seeing any
failure
tach response.
sensor fault)
Visual check
shows motor is
not moving.
Not Used
Machine control
does not see relay
failure
open when it
should.
Not Used
Heater Relay
Check signal not
failure.
sensed.
Over Current is
detected. Motor
won't turn.
Not Used
Voltage for
Voltage for motor
control bus is over
bus is over
specified limit
Voltage for motor
Voltage for
control bus is
under specified
limit
Action to be
taken
Display "E3"
Evaluate wire
harness for
loose or
unhooked
connections. If
machine has
separate motor
control,
perform self
diagnostic
motor test. See
"Motor
Control Board
Output Test"
Display "Sr".
Replace
machine
control board.
Display "Hr".
Replace
machine
control board.
Displays "3E".
Check the
motor
windings, the
speed
sensor, wiring
connections,
or Control
Board.
Display "2E".
Replace motor
control board.
Display "2E".
Replace motor
control board.
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