8-1-15 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.
ERROR CODE on display panel
Note 1) Freezer room notch temperature display and refrigerator room notch temperature display (Failure code
indication part) are normally indicated in abnormal ambient sensor, and “Er” indicated on the amvient
temperature display.
✽
LED check function: If simultaneously pressing express freezer button and freezing temperature adjustment
button for a second, display LED graphics on. If releasing the button, the LED graphic
displays the previous status.
- 25 -
NO
ITEM
ERROR CODE
CONTENTS
REMARKS
1
2
3
4
5
6
Failure of freezer
sensor
Failure of
Refrigerator sensor
Failure of defrost
sensor
Failure of Room
Temperature
sensor
Failure of defrost
mode
Failure of BLDC
Fan Motor at
Freezing
Compartment.
When Display check mode
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 46°F within 2
hours after starting defrost.
If there is no fan motor
signal for more than 65sec
in operation fan motor
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
Er
Er
Er
Er
Er
FS
rS
dS
dH
FF
Summary of Contents for LRFD21855ST
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