Whirlpool WET4027HW0, Service Manual

Page: 19 / 82

DIAGNOSTICS & TROUBLESHOOTING
27” Stacked Laundry Center
n
2-5
For Service Technician Use Only
n
When rotating the cycle selector knob, each click “indent”
toggles the “Done” (5) LED.
n
Turning the rotary switches will toggle the following status
LEDs on and off.
• Rotary Switch #1 – toggles (1) Sense/Fill LED
• Rotary Switch #2 – toggles (2) Wash LED
• Rotary Switch #3 – toggles (3) Rinse LED
• Rotary Switch #4 – toggles (4) Drain/Spin LED
NOTE: The number and location of rotary switches varies
between makes and models. Switches are read from left to
right, the leftmost switch being #1.
n
Press and hold the START button for 3 seconds at any time
to exit UI test mode.
n
Washer will exit UI test mode after 5 minutes of inactivity
or unplugging the power cord.
Software Version Display Mode
To access Software Version Display Mode, perform steps 1 and
2 of Activating the Service Diagnostic Test Modes. Turn the
cycle selector knob until the status LEDs correspond as follows:
n
“Rinse,” “Drain/Spin,” and “Done” LEDs On
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DES TROY
„
When rotating the cycle selector knob, each
click “indent” toggles the “Done” (5) LED.
„
Turning the rotary switches will toggle
the following status LEDs on and off.
• Rotary Switch #1 – toggles (1)
Sense/Fill LED
• Rotary Switch #2 – toggles (2) Wash LED
• Rotary Switch #3 – toggles (3) Rinse LED
• Rotary Switch #4 – toggles (4)
Drain/Spin LED
NOTE: The number and location of rotary
switches varies between makes and models.
Switches are read from left to right, the left-
most switch being #1.
„
Press and hold the START button for
3 seconds at any time to exit UI test mode.
„
Washer will exit UI test mode after
5 minutes of inactivity or unplugging
the power cord.
SOFTWARE VERSION DISPLAY MODE
To access Software Version Display Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Test Modes. Turn the cycle selector
knob until the status LEDs correspond as follows:
„
“Rinse,” “Drain/Spin,” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
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 in
one second intervals; the process repeats
following a pause.
For example, if the s/w version is 02.01.17,
the following sequence would be displayed:
16 8 4 2 1
02
01
17
„
Press and hold the START button for
3 seconds at any time to exit software
version display mode.
TACHOMETER VERIFICATION MODE
To access Tachometer Verification Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Modes. Turn the cycle selector knob
until the status LEDs correspond as follows:
„
“Wash” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
Press the
START button to begin tachometer
verification mode.
„
Tachometer verification uses the status
LEDs to represent the tachometer
frequency (basket RPM).
For example, slowly turn the basket
by hand; as the basket turns, the DONE,
DRAIN/SPIN, RINSE, and WASH status
LEDs will illuminate one at a time in a
visually repeating cycle. The LED timing is
derived from the tachometer signal itself.
„
Press and hold the START button for
3 seconds at any time to exit tachometer
verification mode.
CUSTOMER VIEWABLE FAULT CODES
(WASHER)
There are three 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.
„
DRAIN/SPIN LED ON (Long Drain Fault) –
Refer to “Long Drain” on page 7 for
information.
„
LID LOCK LED FLASHING CONTINUOUSLY
(Lid Lock Fault) – Run TEST #3: Drive
System on page 13. According to the result,
refer to “Basket Speed Fault,” “Shifter Fault,”
“Motor Fault,” or “Motor Unable to Reach
Target RPM” on page 7. Finally, refer to “Lid
Lock Fault” on page 6.
FOR SERVICE FAULT AND ERROR CODES,
CONTINUE TO PAGES 6 AND 7
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
NOTE: Status LED names may vary between makes and
models.
Press the
START button to begin software display mode.
n
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
in one second intervals; the process repeats following a
pause.
For example, if the s/w version is 02.01.17, the following
sequence would be displayed:
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DES TROY
„
When rotating the cycle selector knob, each
click “indent” toggles the “Done” (5) LED.
„
Turning the rotary switches will toggle
the following status LEDs on and off.
• Rotary Switch #1 – toggles (1)
Sense/Fill LED
• Rotary Switch #2 – toggles (2) Wash LED
• Rotary Switch #3 – toggles (3) Rinse LED
• Rotary Switch #4 – toggles (4)
Drain/Spin LED
NOTE: The number and location of rotary
switches varies between makes and models.
Switches are read from left to right, the left-
most switch being #1.
„
Press and hold the START button for
3 seconds at any time to exit UI test mode.
„
Washer will exit UI test mode after
5 minutes of inactivity or unplugging
the power cord.
SOFTWARE VERSION DISPLAY MODE
To access Software Version Display Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Test Modes. Turn the cycle selector
knob until the status LEDs correspond as follows:
„
“Rinse,” “Drain/Spin,” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
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 in
one second intervals; the process repeats
following a pause.
For example, if the s/w version is 02.01.17,
the following sequence would be displayed:
16 8 4 2 1
02
01
17
„
Press and hold the START button for
3 seconds at any time to exit software
version display mode.
TACHOMETER VERIFICATION MODE
To access Tachometer Verification Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Modes. Turn the cycle selector knob
until the status LEDs correspond as follows:
„
“Wash” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
Press the
START button to begin tachometer
verification mode.
„
Tachometer verification uses the status
LEDs to represent the tachometer
frequency (basket RPM).
For example, slowly turn the basket
by hand; as the basket turns, the DONE,
DRAIN/SPIN, RINSE, and WASH status
LEDs will illuminate one at a time in a
visually repeating cycle. The LED timing is
derived from the tachometer signal itself.
„
Press and hold the START button for
3 seconds at any time to exit tachometer
verification mode.
CUSTOMER VIEWABLE FAULT CODES
(WASHER)
There are three 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.
„
DRAIN/SPIN LED ON (Long Drain Fault) –
Refer to “Long Drain” on page 7 for
information.
„
LID LOCK LED FLASHING CONTINUOUSLY
(Lid Lock Fault) – Run TEST #3: Drive
System on page 13. According to the result,
refer to “Basket Speed Fault,” “Shifter Fault,”
“Motor Fault,” or “Motor Unable to Reach
Target RPM” on page 7. Finally, refer to “Lid
Lock Fault” on page 6.
FOR SERVICE FAULT AND ERROR CODES,
CONTINUE TO PAGES 6 AND 7
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
n
Press and hold the START button for 3 seconds at any time
to exit software version display mode.
Tachometer Verification Mode
To access Tachometer Verification Mode, perform steps 1 and
2 of Activating the Service Diagnostic Modes. Turn the cycle
selector knob until the status LEDs correspond as follows:
n
“Wash” and “Done” LEDs On
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DES TROY
„
When rotating the cycle selector knob, each
click “indent” toggles the “Done” (5) LED.
„
Turning the rotary switches will toggle
the following status LEDs on and off.
• Rotary Switch #1 – toggles (1)
Sense/Fill LED
• Rotary Switch #2 – toggles (2) Wash LED
• Rotary Switch #3 – toggles (3) Rinse LED
• Rotary Switch #4 – toggles (4)
Drain/Spin LED
NOTE: The number and location of rotary
switches varies between makes and models.
Switches are read from left to right, the left-
most switch being #1.
„
Press and hold the START button for
3 seconds at any time to exit UI test mode.
„
Washer will exit UI test mode after
5 minutes of inactivity or unplugging
the power cord.
SOFTWARE VERSION DISPLAY MODE
To access Software Version Display Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Test Modes. Turn the cycle selector
knob until the status LEDs correspond as follows:
„
“Rinse,” “Drain/Spin,” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
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 in
one second intervals; the process repeats
following a pause.
For example, if the s/w version is 02.01.17,
the following sequence would be displayed:
16 8 4 2 1
02
01
17
„
Press and hold the START button for
3 seconds at any time to exit software
version display mode.
TACHOMETER VERIFICATION MODE
To access Tachometer Verification Mode,
perform steps 1 and 2 of Activating the Service
Diagnostic Modes. Turn the cycle selector knob
until the status LEDs correspond as follows:
„
“Wash” and “Done” LEDs On
NOTE: Status LED names may vary between
makes and models.
Press the
START button to begin tachometer
verification mode.
„
Tachometer verification uses the status
LEDs to represent the tachometer
frequency (basket RPM).
For example, slowly turn the basket
by hand; as the basket turns, the DONE,
DRAIN/SPIN, RINSE, and WASH status
LEDs will illuminate one at a time in a
visually repeating cycle. The LED timing is
derived from the tachometer signal itself.
„
Press and hold the START button for
3 seconds at any time to exit tachometer
verification mode.
CUSTOMER VIEWABLE FAULT CODES
(WASHER)
There are three 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.
„
DRAIN/SPIN LED ON (Long Drain Fault) –
Refer to “Long Drain” on page 7 for
information.
„
LID LOCK LED FLASHING CONTINUOUSLY
(Lid Lock Fault) – Run TEST #3: Drive
System on page 13. According to the result,
refer to “Basket Speed Fault,” “Shifter Fault,”
“Motor Fault,” or “Motor Unable to Reach
Target RPM” on page 7. Finally, refer to “Lid
Lock Fault” on page 6.
FOR SERVICE FAULT AND ERROR CODES,
CONTINUE TO PAGES 6 AND 7
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
Sense Wash Rinse Drain Done
Fill Spin
NOTE: Status LED names may vary between makes and
models.
Press the
START button to begin tachometer verification
mode.
n
Tachometer verification uses the status LEDs to represent
the tachometer frequency (basket RPM).
For example, slowly turn the basket by hand; as the basket
turns, the DONE, DRAIN/SPIN, RINSE, and WASH status
LEDs will illuminate one at a time in a visually repeating
cycle. The LED timing is derived from the tachometer signal
itself.
n
Press and hold the START button for 3 seconds at any time
to exit tachometer verification mode.
Customer Viewable Fault Codes
(Washer)
There are three fault codes that may be visible to the customer
indicated by the following Status LEDs:
n
WASH LED ON (Long Fill Fault) – Refer to “No Fill, Long Fill”
on page 2-8 for information.
n
DRAIN/SPIN LED ON (Long Drain Fault) – Refer to “Long
Drain” on page 2-9 for information.
n
LID LOCK LED FLASHING CONTINUOUSLY (Lid Lock Fault) –
Run TEST #3: Drive System on page 3-8. According to the
result, refer to “Basket Speed Fault,” “Shifter Fault,” “Motor
Fault,” or “Motor Unable to Reach Target RPM” on page
2-8. Finally, refer to “Lid Lock Fault” on page 2-7.
FOR SERVICE FAULT AND ERROR CODES,
CONTINUE TO PAGES 2-6 TO 2-9