LG LFX23961SW /01 Service Manual page 32

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 Icing
5
sensor
Failure of defrost
6
mode
Failure of BLDC
Fan Motor at
7
Freezing
Compartment
Failure of BLDC
Fan Motor for Ice
8
Maker at Freezing
compartment
Failure of
Communication
9
between display
and Main PCB
LED check function: If simultaneously pressing
for a second, display LED graphics on. If releasing the button, the LED graphic displays
the previous status.
ERROR CODE
FRZ TEMP REF TEMP
Er FS
Er rS
Er dS
rt
When display check mode:
(In LED
Er rt
Er
Check
Function)
Er IS
Er dH
Er FF
Er IF
Er CO
Ultra Ice
- 32 -
CONTENTS
Cut or short circuit wire.
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(8°C)
within 1 hour after
starting defrost
If there is no fan motor
sinal for more than
115sec in operation fan
motor
If there is no fan motor
sinal for more than
114sec in operation fan
motor
If there is no
communication between
display and main PCB
button and Frz Temp
REMARKS
Inspect Connecting
wires on each sensor
Snapping of defrost
heater or Temperature
fuse, pull-out of
connector (indicated
minimum 1 hour after
failure occurs)
Poor motor, hooking to
wires of fan, contact of
structures to fan,
snapping or short circuit
of Lead wires
Poor motor, hooking to
wires of fan, contact of
structures to fan,
snapping or short circuit
of Lead wires
check the wires of
display connection