Test Function; Micom Function - LG GR-P247C Service Manual

Micom Function

2-11. Test Function

1. Test function is function to find out any failed part in the failure status or check function of PWB and the product.
2. The test button is placed on the main PCB (test switch) of the refrigerator. The refrigerator ends the test mode after Max.
2 hours irrespective of modes and returns to normal status (reset).
3. The function control button is not detected during test mode.
4. When ending test mode, take out power cords and insert them again so as to become normal status.
5. If defect such as sensor failure during test mode is detected, release Test Mode to display failure code.
6. Test Mode is not performed even if pressing the test button during display of failure code.
MODE OPERATION
1. CONTINUOUS OPERATION OF COMPRESSOR
PRESS THEST
2. ALL DEFROST HEATERS TURNS OFF
BUTTON ONCE
3. 10 MINUTES IN EARLY STAGE REFRIGERATOR
TEST1
<STRONG COLD
MODE> 4. AFTER 10 MINUTES ALL FAN MOTORS ON WHEN
PRESS TEST 1. COMPRESSOR OFF
BUTTON ONCE AT 2. ALL FAN MOTORS OFF
THE TEST MODE 1 3. ALL DEFROST HEATERS ON
TEST2
STATUS
<FORCED DEFROST
MODE>
PRESS TEST
RETRUING 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 -5°C AND
REFRIGERATOR SENSOR IS ABOVE +15°C
CONTENTS
5. JUST REFRIGERATOR FAN MOTOR
ON WHEN THE FREEZER SENSOR
IS BELOW -14°C AND
REFRIGERATOR SENSOR IS ABOVE
+1.5°C
6. REMAINING CONDITION FREEZER
FAN MOTOR ON
4. ALL DISPLAY GRAPHICS TURNS
OFF (ONLY FAILURE CODE
INDICATION PART TURNS ON "22
22" STATUS)
19
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 +5°C AND
REFRIGERATOR DEFROST SENSOR
IS ABOVE +18.°C
COMPERSSOR WILL OPERATE
AFTER DELAY FOR 3 MINUTES