LG LSSB2691ST Service Manual page 17

Micom Function
2-11. Test Function
TEST KEY EXISTS ON PWB ASSY. MAIN BOARD.
MODE OPERATION
1. CONTINUOUS OPERATION OF COMPRESSOR
2. ALL DEFROST HEATERS TURNS OFF
PRESS TEST
3. 10 MINUTES IN EARLY STAGE REFRIGERATOR
TEST1
BUTTON ONCE
<Strong Cold mode>
4. AFTER 10 MINUTES ALL FAN MOTORS ON WHEN
1. COMPRESSOR OFF
PRESS TEST
2. ALL FAN MOTORS OFF
BUTTON ONCE AT
3. ALL DEFROST HEATERS ON
TEST2
THE TEST MODE 1
STATUS <Forced
Defrost mode>
PRESS TEST
RETURNING TO INITIAL STATUS
NORMAL BUTTON ONCE AT
STATUS THE TEST MODE 2
STATUS
AND CONDENSER FAN MOTOR.
FAN MOTOR ON
THE FREEZER SENSOR IS ABOVE 41°F AND
REFRIGERATOR SENSOR IS ABOVE 59°F
CONTENTS
5. JUST REFRIGERATOR FAN MOTOR
ON WHEN THE FREEZER SENSOR
IS BELOW 10°F AND
REFRIGERATOR SENSOR IS ABOVE
35°F
6. REMAINING CONDITION FREEZER
FAN MOTOR ON
4. ALL DISPLAY GRAPHICS TURNS
OFF (ONLY FAILURE CODE
INDICATION PART TURNS ON "22
22" STATUS)
17
REMARKS
FREEZER FAN MOTOR TURNS OFF
IN FREEZER ROOM DOOR OPENING.
REFRIGERATOR FAN MOTOR TURNS
OFF IN REFRIGERATOR ROOM DOOR
OPENING.
RETURNS TO THE NORMAL MODE
WHEN THE FREEZER DEFROST
SENSOR IS ABOVE 41°F AND
REFRIGERATOR DEFROST SENSOR
IS ABOVE 64°F
COMPERSSOR WILL OPERATE
AFTER DELAY FOR 3 MINUTES