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Johnson Controls YICM012B21S User Manual

Johnson Controls YICM012B21S
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SM-18003
3-13
TROUBLESHOOTING
03: Backlight Test
04: Contrast Test
05: Run Indicator Test
A
(1) Press and hold “Menu” and “ECO” simultaneously
for three seconds during the normal mode (when
unit is not operating).
The Check Menu is displayed.
Check Menu
Self Checking
02
/
02
I. U./O. U. PCB Check
EntrSel.
Rtrn
Back
OK
(2) Select “Self Checking” from the Check Menu and
press “OK”.
(3) Select the process for “Self Checking”.
* To start self check, press “ECO”.
* To clear EEPROM, press “
” and “ECO”
simultaneously.
See EEPROM clear process (15) below.
01:000
P-3400
ARF-8Y050 2008.11.06 12:34
Self Checking
(4) LCD Test
Press “OK” and the screen will change as shown
at the right.
02:000
Self Checking
(5) Backlight Test
LCD brightness is changed gradually by pressing
“OK”.
03:000
Self Checking
(6) Contrast Test
Contrast of the LCD gradually changes by
pressing “OK”.
(7) Run Indicator Test
Press “OK” and the run indicator will ash in red
and green twice for each.
(8) Button Input Test
Press the nine buttons one-by-one. The number
indicated with “
A
” will count up as buttons are
being pressed.
* The order of pressing buttons is random.
Do not press more than one button at a time. It
will not be counted.
06:000
Self Checking
(4) Self-Checking
Self-Checking checks the wired controller and clears EEPROM (storage cell inside of the wired
controller).

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Johnson Controls YICM012B21S Specifications

General IconGeneral
BrandJohnson Controls
ModelYICM012B21S
CategoryAir Conditioner
LanguageEnglish

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