Ui Test Mode; Software Version Display Mode; Customer Viewable Fault Codes - Whirlpool MVWC400XW Technical Education

FOR SERVICE TECHNICIANS ONLY

UI TEST MODE

To access UI (User Interface) Test Mode, perform
steps 1 and 2 of Activating the Service Diagnostic
Modes. Turn the cycle selector knob until the status
LED's or display correspond as follows:
 "Rinse & Spin" LED On, "
on 7-segment
Sensing Soak Wash
Press the START button to begin the UI test.
NOTE: Features and terminology may vary
between makes and models.
Upon entering the UI test mode, all LED's

and display (if it exists) will be turned ON.
Pressing the POWER button will deactivate

the UI test mode.
When rotating the cycle selector knob,

each click "indent" toggles the "Done"
LED as well as the associated cycle LED.
Pressing the START button will toggle the

display, start, and status indicators on
and off.
Pressing each button will toggle its

respective indicator(s) ON or OFF.
Each press of the EcoBoost button toggles

the EcoBoost and EcoMonitor indicators
ON and OFF (not available on all models).

CUSTOMER VIEWABLE FAULT CODES

There are 3 fault codes that may be visible to the customer indicated by the following Status LEDs:
WASH LED ON (Long Fill Fault) – Refer to "No Fill, Long Fill" on page 7 for information.

SPIN LED ON (Long Drain Fault) – Refer to "Long Drain" on page 7 for information.

LID LOCK LED FLASHING CONTINUOUSLY (Lid Lock Fault) – Refer to "Lid Lock Fault"

on following page for information.
FOR SERVICE FAULT FAULT AND ERROR CODES, CONTINUE TO PAGES
06
" Displayed
06
Rinse Spin Done

SOFTWARE VERSION DISPLAY MODE

To access Software Version Display Mode, perform
steps 1 and 2 of Activating the Service Diagnostic
Modes. Turn the cycle selector knob until the status
LED's or display correspond as follows:
 "Rinse, Spin, and Done" LED On, "
on 7-segment
Sensing Soak Wash
Press the START button to begin software
display mode.
Upon entering the software version display

mode, the Major, Minor, and Test version
numbers for the software are displayed
by alternating the state of the Status LEDs
and display (if display exists) in
one second intervals; the process
repeats following a pause.
For example, if the s/w version is
02.01.07, the following sequence would
be displayed:
32 16 8 4
Sensing Soak Wash
5-5
07
" Displayed
07
Rinse Spin Done
2 1 Display
02
0 1
07
Rinse Spin Done
AND