Maytag NEPTUNE WASHER Specifications Page 15

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  • TROUBLESHOOTING
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©2003 Maytag Appliances Company 16022808 Rev. 0 15
Troubleshooting Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death, disconnect power to unit before servicing, unless testing
requires power.
@
Stage of
Wash Cycle
Presoak
Wash
Spin/Drain
Rinse
Advances To
End of Presoak
Every 5 Minutes of
Wash Time
End of the
Spin Profile
End of Rinse
4) Spin to index speed 350 rpm and hold for 6 seconds.
5) Spin to index speed 550 rpm and hold for 6 seconds.
6) Spin to index speed 700 rpm and hold for 6 seconds.
7) Spin to index speed 850 rpm and hold for 6 seconds.
Pump out.
8) Coast down to 0 rpm chimes 3 times.
Speed Range Displayed
a) 0-99 rpm 0-99 (actual)
b) 100-999 rpm Speed X 10 ex: 85.= 850rpm
Hold Quick Spin Step
If the
Hand Wash
key is pressed again during
the Quick Spin test, the machine will hold at the
next highest index speed for up to 30 minutes.
To cancel press the Hand Wash key again.
Fast Time Down Test
While any test or cycle is running in Service
Mode, pressing the
Quick Wash
key will
advance the program to the next cycle
stage.
For example if in one of the following:
Quick Service Cycle
While in Service Mode, pressing the
Wash/Rinse
Temp
key will start a Quick
Service Cycle. This will be a quick check of all
systems. If display shows
od
then open and close lid.
Pressing
Quick Wash
will advance to the next cycle.
The following steps are performed: Display shows
“sc”
.
1. Lock lid and pump starts.
2. Cold bleach fill. Energize the cold and bleach water
valves to low setting. Advance to next step if water is
not connected to machine.
3. Tumble using 48 rpm tumble for 10 seconds.
4. Tumble with hot fill: Continue tumble while energizing
hot water valve for 5 seconds.
5. Warm softener fill: Energize cold water and fabric
softener valves until medium level is reached.
Advance to next step if water is not connected to
machine.
6. Drain and Spin to 850 rpm.
7. Display a
“PA”
(Passed) continuously for 5 seconds
if no diagnostic codes were logged during the test.
8. Unlock the lid when the RPM is zero.
If a diagnostic code is logged during the test, the right-
most dot will turn on and stay on until quick service cycle
test has ended. Any diagnostic code logged during this
test will result in failure of the test, but will not necessarily
stop the test.
During the Quick Service Cycle, pressing the
Quick
Wash
key will advance to the next step.
Pressing the
Hand Wash
key will suspend
the machine at the current step for up to 30
minutes or until
Hand Wash
is pressed
again. All LEDs should flash on and off
while the system is suspended or on hold.
Membrane Pad Test
While in Service Mode, pressing the
Presoak
key will
start a membrane switch check that verifies switch
operation. All the LEDs (except
Presoak
) can be toggled
or slewed by pressing the key associated with the LED or
set of LEDs. Each time either set delay arrow is pressed
the digits toggle between a blank and
8
. All keys
(including the
OFF
button) must be pressed within 5
minutes for this test to pass.
“PA”
will be displayed for
five (5) seconds once all keys have been pressed and the
test is completed. Following 10 seconds of inactivity at
any point, this test will exit without any display.
Motor Control Board Output Test
1. Disconnect power to the washer.
2. Remove the front panel and disconnect the JP4
Connector from the Motor Control Board.
3. Reconnect the washer power cor
d to supply voltage.
Make sure the lid is closed.
4. Press
Enviro Plus
and
Spin
Only
keys for 3
seconds to activate Service Mode.
5. Access
Board Output Test
by pressing the
Delicates
key. Display shows
“ot”
.
6. The lid must be locked to access Motor Control
Board Output Test.
To lock the lid press
Colors/Jeans
. To verify the test, the quick wash LED
will be on, indicating the system relay is activated. If
off, press
Quick Wash
with the lid shut to activate.
7. Press
Whites
to start the motor control output test.
This will send 120VAC to the motor control board.
The motor control will execute a test routine and the
motor should run, rotating the spinner at 50 rpm.
There could be up to a 20 second delay before the
spinner starts rotating.
¾
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