LG LFC20770SB - Page 80

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3
1-. Unplug the refrigerator.
2-. Remove cover hinge (Left)
3-. Check continuity between Gray to
Gray wires.
No Checking flow Result & SVC Action
Result SVC Action
Pressing
Door
Switch
0Ù
Check for damage on wires near to
cover hinge.
No Damage: Replace Door Switch
Damaged: Fix if it’s possible, explain
to customer.
Open Circuit Check Released condition
Door
Switch
released
0Ù Go to step #5
Open circuit
Check for damage on wires near to
cover hinge.
No Damage: Replace Door Switch
Damaged: Fix if it’s possible, explain
to customer.
4
1-. Unplug the refrigerator.
2-. Remove cover hinge (Right)
3-. Check continuity between Gray to
Gray wires.
Result SVC Action
Pressing
Door
Switch
0Ù
Check for damage on wires near to
cover hinge.
No Damage: Replace Door Switch
Damaged: Fix if it’s possible, explain
to customer.
Open Circuit Check Released condition
Door
Switch
released
0Ù Go to step #5
Open circuit
Check for damage on wires near to
cover hinge.
No Damage: Replace Door Switch
Damaged: Fix if it’s possible, explain
to customer.
5
1-. Press / Release Freezer Door
switch.
Check voltage between Pink to Pink
wires in CON7.
Result SVC Action
Pressing Door
Switch
5VDC Check released condition
0VDC Go to step #6
Door Switch
released
5VDC Go to step #6
0VDC Replace Main PCB