LG GR-349SQF Service Manual page 19

8) SELF-TEST
(1) Function to make service easy in case of occuring a trouble in the product.
(2) When occurring a trouble, if the button is pushed, but the function could not operate.
(3) If a toruble release during the representation of trouble, a refrigerator performs the normal function(RESET).
(4) To represent a ERROR CODE, it use FREEZE TEMP LEDs on TOP COVER. If ERROR occurs, the other LEDs except
ERROR CODE LEDs are all off.
VACATION
NO. ITEMS
1 FREEZER
SENSOR abnormal
2 DEFROST
SENSOR abnormal
3 DEFROSTING
FUNCTION
is abnormal
4 RT-SENSOR
abnormal
* NOTE 1) If one second pass after pressing the QUICK FREEZE and FREEZE TEMP buttons togather in normal
operation, operates as follow.
RT-SENSOR
ERROR CODE LEDs
F1 F2 F3 F4
FREEZER SENSOR open
or short.
DEFROST SENSOR open
or short.
DEFROST HEATER,
TEMP. FUSE open or
disconnection (Displayed
after at least 4 hours
from the trouble's
occurring.)
NOTE 1) Room Temperature
SENSOR open or short
If normal, LEDs on the TOP COVER is all on.
If abnormal, LEDs are all on except VACATION LED.
FREEZE TEMP
F1 F2 F3 F4
ERROR CODE LEDs
DESCRIPTION
15 minutes On/
15 minutes Off
- 19 -
QUICK FREEZE
O : OPERATE NORMAL
OPERATION IN TROUBLE'S OCCURRING
COMP FAN
O
O O
O O
O O
:ON
:OFF
DEFROST HEATER
O
No defrosting
O
O