PAGE 6
FOR SERVICE TECHNICIAN’S USE ONLY
DO NOT REMOVE OR DESTROY
SOFTWARE VERSION DISPLAY
NOTE:
The Software Version Display mode will
time out after 5 minutes of user inactivity and
return to standby mode.
Entry Procedure
To enter Software Version Display, press
and
hold
the
2nd
button used to activate the
Service Diagnostic mode for 5 seconds.
Upon entry, the display will automatically
cycle through the following information:
•
CCU software revision code (
c
: major
revision number,
c
: minor revision number,
c
: test revision number)
•
UI code(
u
: major revision number,
u
: minor
revision number,
u
: test revision number)
•
UI Hex file software revision code (
h
: major
revision number,
h
: minor revision number)
Exit Procedure
Pressing the
POWER
button will exit Software
Version Display and return dryer to standby mode.
FAULT/ERROR CODES
Refer to customer fault/error codes below and
service fault/error codes on page 7.
Fault/Error Code Display Method
Fault codes are displayed by alternately
showing F# and E#. All fault codes have an
F# and an E#. The F# indicates the suspect
System/Category. The E# indicates the
suspect Component system.
Up to four Fault/Error codes may be stored.
When the oldest fault code is displayed,
additional presses of the
3rd
button will result
in a triple beep, then display of the most recent
fault code. If each press of the
3rd
button
results in a triple beep and the display shows
“
888
”, no saved fault codes are present.
Advancing Through Saved Fault/
Error Codes
Procedure for advancing through saved
fault codes:
Press and release
g
beep tone
g
most recent fault
the 3rd button
code is displayed.
used to activate
Service Diagnostics
Repeat
g
beep tone
g
second most
recent fault code
is displayed.
Repeat
g
beep tone
g
third most
recent fault code
is displayed.
Repeat
g
beep tone
g
fourth most
recent fault code
is displayed.
Repeat
g
triple beep
g
back to the most
recent fault code.
Clearing Fault Codes
To clear stored fault codes, enter Service
Diagnostic mode. Then press and hold the
3rd
button used to enter Service Diagnostic
mode for 5 seconds. Once the stored fault
codes are successfully erased, the seven
segment display will show “
888
”.
EXITING SERVICE DIAGNOSTIC MODE
Use either of the two methods below to exit
diagnostic mode.
•
Pressing and holding the
1st
button
used to activate the Service Diagnostic
mode for 5 seconds.
•
Pressing the
POWER
button once or twice,
depending on diagnostic procedure.
CODE DESCRIPTION
EXPLANATION AND RECOMMENDED PROCEDURE
PF
Power Failure
PF indicates that a power failure occurred while the dryer was running.
Press START to continue the cycle, or press POWER to clear the display.
AF
Restricted Air Flow
Indicates low air flow that may affect dryer performance. Confirm that
airflow system is not blocked. Check lint screen, exhaust duct, exhaust fan.
• Refer to Fault/Error Code “F4E3”, page 7, for recommended procedure.
L2
Low Line Voltage
L2 indicates low L2 voltage (less than 30 V) is detected at the CCU.
• Refer to Fault/Error Code “F4E4”, page 7, for recommended procedure.
CUSTOMER FAULT/ERROR CODES