Service Diagnostic Mode Menu Table; Key Activation & Encoder Test; Active Fault Code Display; Successful Entry - Maytag MVWB835DW Service Manual

SERVICE DIAGNOSTIC MODE MENU TABLE

1st Button
2nd Button
3rd Button
• See "Activating Service Diagnostic Mode" to activate these buttons. Make sure all of step 3 is complete before activation.
Activation with Saved Fault Codes
If there is a saved fault code, it will be flashing
in the display. Review the Fault/Error Codes
table on pages 8–10 for the recommended
procedure. If there is no saved fault code,
"888" will be displayed.
KEY ACTIVATION & ENCODER TEST
NOTE: The Service Diagnostic mode must be
activated before entering the Key Activation &
Encoder Test; see procedure on page 2.
Entry Procedure
Press and release the 1st button used
to activate Service Diagnostic mode.
The following test will be available:
DIAGNOSTIC: Key Activation & Encoder Test
All indicator lights and display segments
will be lit at the start of this test.
Pressing each button will turn off its
corresponding indicator(s) or display segment
and sound a beep.
Rotating the cycle selector knob (on some
models) turns off each corresponding cycle
indicator and sounds a beep.
NOTE: A second press of the POWER button
while in Key Activation & Encoder Test or
pressing and holding the 1st button used
to enter Service Diagnostic mode exits the
Service Diagnostic mode and returns the
washer to standby mode.
SERVICE TEST MODE
NOTE: The Service Diagnostic mode must be
activated before entering Service Test Mode;
see procedure on page 2.
NOTE: If, at any point, the user presses the
POWER button during Service Test Mode, the
washer exits to standby mode.
Button Press
- Momentary press
- Press and hold for 5 secs.
- Momentary press
- Press and hold for 5 secs.
- Momentary press
- Press and hold for 5 secs.
Function Behavior
- Activates Key Activation
& Encoder Test
- Exits Service Diagnostic Mode
- Activates Service Test Mode
- Software Version Display
- Displays Next Error Code
- Clears the Error Codes

Active Fault Code Display

in Service Test Mode
If the display begins flashing in the format
F#, then E# while in Service Test Mode, it
is displaying an active fault code (see Fault
And Error Codes charts on pages 8–10).
Active fault codes are codes that are currently
detected. Only one active fault code can be
displayed at a time.
Entry Procedure
To enter Service Test Mode, press and release
the 2nd button used to activate the Service
Diagnostic mode.

Successful Entry

All LEDs turn off except the POWER button
indicator and the START button indicator
begins to flash.
Load and Test Cycle Selection Procedure
Loads, the Service Diagnostic Verification
Cycle, and the Calibration Cycles are all
assigned function numbers. These are defined
in Chart 1, page 4.
The seven segment display will indicate the
current selected function number.
Use the Soil Level and Temperature buttons to
select a function number. The Soil Level button
will increment through the function numbers
and the Temperature button will decrement
through the function numbers. If available, the
cycle selection knob can also be used to select
a function number. Rotating clockwise will
increment through the function numbers and
counterclockwise will decrement through the
function numbers.
Commanding Functions 'On' and 'Off'
in Service Test Mode
With the desired function number on the seven
segment display, the function can be toggled
on and off by pressing the START button. Each
press will toggle the state of the function from
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