LG GR-B218JTA Service Manual page 24

8-1-9 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.
Better 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 Room
4 Temperature
sensor
Failure of defrost
5
mode
Failure of BLDC
Fan Motor at
6
Freezing
Compartment
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 simultaneously pressing the warmer key of Refrigerator Temp and the warmer key of
Freezer Temp for a second, all display LED graphics on. If releasing the button, the LED graphics displays
the previous status.
EXPRESS
FREEZING
3 °C IS RECOMMENDED
Defect code signs
ERROR CODE
Er FS
Er rS
Er dS
When display check
mode: Er rt
Er dH
Er FF
- 24 -
-18 °C IS RECOMMENDED
Defect code signs
CONTENTS
Cut or short circuit wire
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
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
wires