Service Manual

DIAGNOSTICS & TROUBLESHOOTING
27” Stacked Laundry Center
n
2-3
For Service Technician Use Only
3. There are several accessible Diagnosc Test Modes
shown in the chart below. To select the desired Mode of
Operaon, turn the cycle selector knob unl the status
LEDs match the mode desired to enter.
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
FAULT CODE DISPLAY MODE (Pgs 6–7)
To access fault/error codes, perform steps 1
and 2 of Activating the Service Diagnostic Test
Modes. Turn the cycle selector knob until the
status LEDs correspond as follows:
“Done” LED On
Press the START button to enter Fault Code
Display Mode. The status LEDs flash on and off.
1. To view last four fault codes:
¾
 Turn cycle selector knob clockwise
to view fault codes in the order of most
recent to oldest. (Refer to Fault/Error
Code charts on pages 6 & 7.)
NOTE: A fault/error code will be removed
from memory if it does not reoccur after
10 consecutive wash cycles.
2. To clear fault codes:
¾
 Turn cycle selector knob until the status LEDs
flash ON and OFF (see figure 2, page 2).
¾ Press and hold the START button
for 3 seconds to clear all fault codes
and exit Fault Code Display Mode.
Fault/Error Code Display Method
Fault/error codes are displayed by alternating the
state of the Status LEDs in one second intervals.
All fault/error codes have an F# and an E#. The
F# indicates the suspect System/Category and
the E# indicates the suspect Component system.
If the Sense/Fill LED is ON, the Fault Number
is represented; if OFF, the Error Number is
represented (see example below). The remaining
LEDs (Wash, Rinse, Drain/Spin, and Done)
represent the fault and error code in binary. (See
Fault/Error Code Charts on pages 6 & 7 for more
information.) = ON.
LED names may vary between makes and models.
3. There are several accessible Diagnostic
Test Modes shown in the chart below. To
select the desired Mode of Operation, turn
the cycle selector knob until the status LEDs
match the mode desired to enter.
4. Press the START button to enter desired
mode of operation.
Refer to the following pages for detailed
information on each mode of operation:

FAULT CODE DISPLAY MODE: Page 3
 AUTOMATIC TEST MODE: Page 4

MANUAL TEST MODE: Page 4

CALIBRATION MODE: Page 4
 SALES DEMO: NOT FOR SERVICE USE*


UI TEST MODE: Page 4
 SW VERSION DISPLAY MODE: Page 5

FACTORY DIAGNOSTICS: NOT FOR SERVICE USE.*
If accessed, washer must be recalibrated (see
Calibration Mode)
 TACHOMETER VERIFICATION MODE: Page 5
 DRY FACTORY DIAGNOSTICS: NOT FOR SERVICE
USE*
 FACTORY CAL TEST CYCLE: NOT FOR SERVICE USE*
 AATCC CYCLE: NOT FOR SERVICE USE*
 NVH CYCLE: NOT FOR SERVICE USE*
*Press and hold START for 3 seconds to exit.
Unsuccessful Entry
If entry into diagnostic test mode is unsuccessful,
refer to the following indication and action:
Indication: None of the LEDs turn on.
Action: Press START button to enter setting mode.
¾ If indicators come on, repeat steps
1 through 4 of Activating the Service
Diagnostic Modes. NOTE: Rotating the
dial too fast or too slow will affect entry.
¾ If no indicators come on after pressing the
START button, go to TEST #1, page 12.
EXITING THE SERVICE
DIAGNOSTIC TEST MODES
Press and hold the START button for 3 seconds
at any time to exit diagnostic test modes.
Washer will exit diagnostic test modes after 5
minutes of inactivity or unplugging the power cord.
MODE
(Status LED names may vary
between makes and models)
Fault Code Display Mode
Automatic Test Mode
Manual Test Mode
Calibration Mode
Sales Demo Mode
UI Test Mode
SW Version Display Mode
Factory Diagnostics Mode
Tachometer Verification
STATUS LEDs
DIAGNOSTIC TEST MODES
WASH
RINSE
DRAIN SPIN
DONE
Dry Factory Diagnostics
Factory Cal Test Cycle
AATCC Cycle
NVH Cycle
DISPLAY
(Only on models
with a display)
02
03
04
05
06
07
08
09
01
10
11
14
15
1F 8421F2
0.5
20.5
3E 8421E3
0.5
41.0
Repeat…
STATUS LEDs
Frame Number SENSE FILL WASH RINSE SPIN DONE Fault / Error Code Frame Timing (sec.) DRAIN
Sense Wash Rinse Drain Done
Fill Spin
4. Press the START buon to enter desired mode of
operaon.
Refer to the following pages for detailed informaon on
each mode of operaon:
n FAULT CODE DISPLAY MODE: Page 2-3
n AUTOMATIC TEST MODE: Page 2-4
n MANUAL TEST MODE: Page 2-4
n CALIBRATION MODE: Page 2-4
n SALES DEMO: NOT FOR SERVICE USE*
n UI TEST MODE: Page 2-4
n SW VERSION DISPLAY MODE: Page 2-5
n FACTORY DIAGNOSTICS: NOT FOR SERVICE USE.*
If accessed, washer must be recalibrated (see
Calibraon Mode)
n TACHOMETER VERIFICATION MODE: Page 2-5
n DRY FACTORY DIAGNOSTICS: NOT FOR SERVICE USE*
n FACTORY CAL TEST CYCLE: NOT FOR SERVICE USE*
n AATCC CYCLE: NOT FOR SERVICE USE*
n NVH CYCLE: NOT FOR SERVICE USE*
*Press and hold START for 3 seconds to exit.

If entry into diagnosc test mode is unsuccessful, refer to the
following indicaon and acon:
 None of the LEDs turn on.
 Press START buon to enter seng mode.
¾ If indicators come on, repeat steps 1 through 4 of
Acvang the Service Diagnosc Modes. NOTE:
Rotang the dial too fast or too slow will aect entry.
¾ If no indicators come on aer pressing the START
buon, go to TEST #1, page 3-5.
EXITING THE SERVICE DIAGNOSTIC

Press and hold the START buon for 3 seconds at any me to
exit diagnosc test modes.
Washer will exit diagnosc test modes aer 5 minutes of
inacvity or unplugging the power cord.
 (Pgs 2-6 to 2-9)
To access fault/error codes, perform steps 1 and 2 of Acvang
the Service Diagnosc Test Modes. Turn the cycle selector
knob unl the status LEDs correspond as follows:
n “Done” LED On
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
FAULT CODE DISPLAY MODE (Pgs 6–7)
To access fault/error codes, perform steps 1
and 2 of Activating the Service Diagnostic Test
Modes. Turn the cycle selector knob until the
status LEDs correspond as follows:
“Done” LED On
Press the START button to enter Fault Code
Display Mode. The status LEDs flash on and off.
1. To view last four fault codes:
¾

Turn cycle selector knob clockwise
to view fault codes in the order of most
recent to oldest. (Refer to Fault/Error
Code charts on pages 6 & 7.)
NOTE: A fault/error code will be removed
from memory if it does not reoccur after
10 consecutive wash cycles.
2. To clear fault codes:
¾
 Turn cycle selector knob until the status LEDs
flash ON and OFF (see figure 2, page 2).
¾ Press and hold the START button
for 3 seconds to clear all fault codes
and exit Fault Code Display Mode.
Fault/Error Code Display Method
Fault/error codes are displayed by alternating the
state of the Status LEDs in one second intervals.
All fault/error codes have an F# and an E#. The
F# indicates the suspect System/Category and
the E# indicates the suspect Component system.
If the Sense/Fill LED is ON, the Fault Number
is represented; if OFF, the Error Number is
represented (see example below). The remaining
LEDs (Wash, Rinse, Drain/Spin, and Done)
represent the fault and error code in binary. (See
Fault/Error Code Charts on pages 6 & 7 for more
information.) = ON.
LED names may vary between makes and models.
3. There are several accessible Diagnostic
Test Modes shown in the chart below. To
select the desired Mode of Operation, turn
the cycle selector knob until the status LEDs
match the mode desired to enter.
4. Press the START button to enter desired
mode of operation.
Refer to the following pages for detailed
information on each mode of operation:

FAULT CODE DISPLAY MODE: Page 3


AUTOMATIC TEST MODE: Page 4
 MANUAL TEST MODE: Page 4

CALIBRATION MODE: Page 4


SALES DEMO: NOT FOR SERVICE USE*
 UI TEST MODE: Page 4
 SW VERSION DISPLAY MODE: Page 5
 FACTORY DIAGNOSTICS: NOT FOR SERVICE USE.*
If accessed, washer must be recalibrated (see
Calibration Mode)
 TACHOMETER VERIFICATION MODE: Page 5
 DRY FACTORY DIAGNOSTICS: NOT FOR SERVICE
USE*
 FACTORY CAL TEST CYCLE: NOT FOR SERVICE USE*
 AATCC CYCLE: NOT FOR SERVICE USE*

NVH CYCLE: NOT FOR SERVICE USE*
*Press and hold START for 3 seconds to exit.
Unsuccessful Entry
If entry into diagnostic test mode is unsuccessful,
refer to the following indication and action:
Indication: None of the LEDs turn on.
Action: Press START button to enter setting mode.
¾ If indicators come on, repeat steps
1 through 4 of Activating the Service
Diagnostic Modes. NOTE: Rotating the
dial too fast or too slow will affect entry.
¾ If no indicators come on after pressing the
START button, go to TEST #1, page 12.
EXITING THE SERVICE
DIAGNOSTIC TEST MODES
Press and hold the START button for 3 seconds
at any time to exit diagnostic test modes.
Washer will exit diagnostic test modes after 5
minutes of inactivity or unplugging the power cord.
MODE
(Status LED names may vary
between makes and models)
Fault Code Display Mode
Automatic Test Mode
Manual Test Mode
Calibration Mode
Sales Demo Mode
UI Test Mode
SW Version Display Mode
Factory Diagnostics Mode
Tachometer Verification
STATUS LEDs
DIAGNOSTIC TEST MODES
WASH
RINSE
DRAIN SPIN
DONE
Dry Factory Diagnostics
Factory Cal Test Cycle
AATCC Cycle
NVH Cycle
DISPLAY
(Only on models
with a display)
02
03
04
05
06
07
08
09
01
10
11
14
15
1F 8421F2
0.5
20.5
3E 8421E3
0.5
41.0
Repeat…
STATUS LEDs
Frame Number SENSE FILL WASH RINSE SPIN DONE Fault / Error Code Frame Timing (sec.) DRAIN
Sense Wash Rinse Drain Done
Fill Spin
Press the START buon to enter Fault Code
Display Mode. The status LEDs ash on and o.
1. To view last four fault codes:
¾ Turn cycle selector knob clockwise to view fault codes
in the order of most recent to oldest. (Refer to Fault/
Error Code charts on pages 2-6 to 2-7.)
NOTE: A fault/error code will be removed from
memory if it does not reoccur aer 10 consecuve
wash cycles.
2. To clear fault codes:
¾ Turn cycle selector knob unl the status LEDs ash ON
and OFF (see gure 2, page 2-2).
¾ Press and hold the START buon for 3 seconds to clear
all fault codes and exit Fault Code Display Mode.

Fault/error codes are displayed by alternang the state of the
Status LEDs in one second intervals. All fault/error codes have
an F# and an E#. The F# indicates the suspect System/Category
and the E# indicates the suspect Component system.
If the Sense/Fill LED is ON, the  is represented;
if OFF, the is represented (see example below).
The remaining LEDs (Wash, Rinse, Drain/Spin, and Done)
represent the fault and error code in binary. (See Fault/Error
Code Charts on pages 2-6 to 2-7 for more informaon.)
3$*(
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
FAULT CODE DISPLAY MODE (Pgs 6–7)
To access fault/error codes, perform steps 1
and 2 of Activating the Service Diagnostic Test
Modes. Turn the cycle selector knob until the
status LEDs correspond as follows:
“Done” LED On
Press the START button to enter Fault Code
Display Mode. The status LEDs flash on and off.
1. To view last four fault codes:
¾
 Turn cycle selector knob clockwise
to view fault codes in the order of most
recent to oldest. (Refer to Fault/Error
Code charts on pages 6 & 7.)
NOTE: A fault/error code will be removed
from memory if it does not reoccur after
10 consecutive wash cycles.
2. To clear fault codes:
¾
 Turn cycle selector knob until the status LEDs
flash ON and OFF (see figure 2, page 2).
¾ Press and hold the START button
for 3 seconds to clear all fault codes
and exit Fault Code Display Mode.
Fault/Error Code Display Method
Fault/error codes are displayed by alternating the
state of the Status LEDs in one second intervals.
All fault/error codes have an F# and an E#. The
F# indicates the suspect System/Category and
the E# indicates the suspect Component system.
If the Sense/Fill LED is ON, the Fault Number
is represented; if OFF, the Error Number is
represented (see example below). The remaining
LEDs (Wash, Rinse, Drain/Spin, and Done)
represent the fault and error code in binary. (See
Fault/Error Code Charts on pages 6 & 7 for more
information.) = ON.
LED names may vary between makes and models.
3. There are several accessible Diagnostic
Test Modes shown in the chart below. To
select the desired Mode of Operation, turn
the cycle selector knob until the status LEDs
match the mode desired to enter.
4. Press the START button to enter desired
mode of operation.
Refer to the following pages for detailed
information on each mode of operation:

FAULT CODE DISPLAY MODE: Page 3


AUTOMATIC TEST MODE: Page 4
 MANUAL TEST MODE: Page 4
 CALIBRATION MODE: Page 4


SALES DEMO: NOT FOR SERVICE USE*
 UI TEST MODE: Page 4


SW VERSION DISPLAY MODE: Page 5

FACTORY DIAGNOSTICS: NOT FOR SERVICE USE.*
If accessed, washer must be recalibrated (see
Calibration Mode)
 TACHOMETER VERIFICATION MODE: Page 5

DRY FACTORY DIAGNOSTICS: NOT FOR SERVICE
USE*


FACTORY CAL TEST CYCLE: NOT FOR SERVICE USE*
 AATCC CYCLE: NOT FOR SERVICE USE*
 NVH CYCLE: NOT FOR SERVICE USE*
*Press and hold START for 3 seconds to exit.
Unsuccessful Entry
If entry into diagnostic test mode is unsuccessful,
refer to the following indication and action:
Indication: None of the LEDs turn on.
Action: Press START button to enter setting mode.
¾ If indicators come on, repeat steps
1 through 4 of Activating the Service
Diagnostic Modes. NOTE: Rotating the
dial too fast or too slow will affect entry.
¾ If no indicators come on after pressing the
START button, go to TEST #1, page 12.
EXITING THE SERVICE
DIAGNOSTIC TEST MODES
Press and hold the START button for 3 seconds
at any time to exit diagnostic test modes.
Washer will exit diagnostic test modes after 5
minutes of inactivity or unplugging the power cord.
MODE
(Status LED names may vary
between makes and models)
Fault Code Display Mode
Automatic Test Mode
Manual Test Mode
Calibration Mode
Sales Demo Mode
UI Test Mode
SW Version Display Mode
Factory Diagnostics Mode
Tachometer Verification
STATUS LEDs
DIAGNOSTIC TEST MODES
WASH
RINSE
DRAIN SPIN
DONE
Dry Factory Diagnostics
Factory Cal Test Cycle
AATCC Cycle
NVH Cycle
DISPLAY
(Only on models
with a display)
02
03
04
05
06
07
08
09
01
10
11
14
15
1F 8421F2
0.5
20
.5
3E 8421E3
0.5
41
.0
Repeat…
STATUS LEDs
Frame Number SENSE FILL WASH RINSE SPIN DONE Fault / Error Code Frame Timing (sec.) DRAIN
Sense Wash Rinse Drain Done
Fill Spin
LED names may vary between makes and models.