LG LSXC22326, Service Manual

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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 CONTENTS REMARKS
PRESS THEST
BUTTON ONCE
<STRONG COLD
MODE> 1. CONTINUOUS OPERATION OF COMPRESSOR
2. CONTINUOUS OPERATION OF FREEZING
BLDC MOTOR (HIGH-SPEED RPM) AND
COOLING BLDC MOTOR
3. DEFROST HEATER TURNS OFF
4.STEPPING MOTOR DAMPER IS
COMPLETELY OPENED
(OPEN OF BAFFLE)
5. ALL DISPLAY GRAPHICS TURNS ON
FREEZING FAN TURNS OFF IN DOOR
OPENING.
RETURNS TO THE NORMAL MODE
WHEN THE DEFROST SENSOR IS
ABOVE +5°C
TEST1
PRESS TEST
BUTTON ONCE AT
THE TEST MODE 1
STATUS
<FORCED DEFROST
MODE>
PRESS TEST
BUTTON ONCE AT
THE TEST MODE 2
STATUS
1. COMPRESSOR OFF
2. FREEZING BLDC MOTOR AND COOLING BLDC
MOTOR TURN OFF
3. DEFROST HEATER TURNS ON
RETRUING TO INITIAL STATUS COMPERSSOR WILL OPERATE
AFTER DELAY FOR 3 MINUTES
4. STEPPING MOTOR DAMPER IS
COMPLETELY CLOSED(CLOSING OF
BAFFLE)
5. ALL DISPLAY GRAPHICS TURNS
OFF(ONLY FAILURE CODE INDICATION
PART TURNS ON “22”STATUS)
TEST2
NORMAL
STATUS
2-12. Functions performed when Ice Dispenser and Water Dispenser are mounted
1. This is function to dispense ice and water outside without opening doors.
2. If pressing the Dispenser Pressing Switch after selecting ice (cube ice, Crushed ice) or water, relevant ice and water come
out. However, when selecting ice, the duct door is opened by electric Motor (duct door, Motor) if pressing the Dispenser
Pressing Switch. The duct door is closed after it remains for 5 seconds in open status if pressing and then releasing the
Dispenser Pressing Switch.
3. Function to dispense ice and water out stops in the F-door open status.
4. If there is no OFF signal for 3 minutes after pressing the Dispenser Pressing Switch after selecting ice (cube ice, crushed
ice) or water, the refrigerator automatically turns off both gear motor and solenoid (cube, water).
However, the Motor (duct door) stops when 5 seconds pass after turning off. (This is for preventing coil-short due to heating of
solenoid.)
5. Dispenser Lamp On/Off Function
If pressing the Dispenser Pressing Switch after selecting ice (cube ice, crushed ice) or water, the lamp on the dispenser part
turns on and if releasing it, turns off.
6. Crushed Ice/Cube Select Function
1) This is function to operate the refrigerator as Crushed Ice/Cube function on the function control part depending on user s
selection. If pressing the Select Dispenser button, display and selection are done.
2) For the initial Power On, Crushed ice is automatically selected.
3) If pressing the Press Switch when ices are generated in the ice bank for selecting Crushed Ice, the refrigerator operates the
gear motor so that crushed ices are supplied outside.
4) If pressing the Press Switch when ices are generated in the ice bank for selecting Cube Ice, the refrigerator operates the
gear motor so that Cube ices are supplied outside.