LG LRDN22734SB Service Manual page 27

8-1-13 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.
DISPENSER MODEL
REFRIGERATOR TEMP
COLDER WARMER
BEST MODEL
REFRIGERATOR TEMP
COLDER WARMER
ERROR CODE on display panel
NO ITEM
Failure of freezer
1
sensor
Failure of
2
Refrigerator sensor
Failure of defrost
3
sensor
Failure of defrost
4
mode
Failure of BLDC
FAN MOTOR at
5
freezing
compartment.
DISPENSER
37 °F IS RECOMMENDED
LOCK
Defect code signs
37 °F IS RECOMMENDED
Defect code signs
ERROR CODE
Er FS
Er rS
Er dS
Er dH
Er FF
EXPRESS
FREEZING
0 °F IS RECOMMENDED
Defect code signs
EXPRESS
FREEZING
0 °F IS RECOMMENDED
Defect code signs
CONTENTS
Cut or short circuit wire
Cut or short circuit wire
Cut or short circuit wire
When defrost sensor
doesn't reach 8°C within 2
hours after starting defrost.
If there is no fan motor
signal For more than
65sec. in Operation fan
motor
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WATER FILTER FREEZER TEMP
RESET COLDER WARMER
FREEZER TEMP
COLDER WARMER
REMARKS
Inspect Connecting wires
on each sensor
Snapping of defrost heater
or Temperature fuse, pull-
out of Connector (indicated
minimum 2 Hours after
failure occurs)
Poor motor, hooking to
Wires of fan, contact of
structures to fan, snapping
or short circuit of Lead wire