LG LFC21760ST Service Manual page 26

8-1-10 Defect Diagnosis Function
1. Automatic diagnosis makes servicing the refrigerator easy.
2. When a defect occurs, the buttons will not operate; but the tones, such as ding, will sound.
3. When the defect CODE removes the sign, it returns to normal operation (RESET).
4. The defect CODE shows on the refrigerator and freezer display.
Best Model
REFRIGERATOR TEMP
COLDER WARMER
ERROR CODE on display panel
Note 1) Room temperature sensor is not indicated on the failure indicating part but indicated in checking
display. (When pressing for more than the warmer key of refrigerator temp and the warmer kye of
freezer temp for more than 1 second).
✽ LED check function: If press and hold the warmer key of refrigerator temp and the warmer key of freezer
temp for a second, all display LED graphics on. When you release the buttons, the LED graphics displays the
previous status.
ICE PLUS
37 °F IS RECOMMENDED
Defect code signs
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0 °F IS RECOMMENDED
Defect code signs
FREEZER TEMP
COLDER WARMER