LG LFXS24553S Service Manual page 31

Icing Sensor Error (E IS)
1
Is the Connector disconnected
or loose between Main PCB and
sensor?
No
2
Check the Sensor resistance.
Is resistance 0? (Sensor short)?
No
3
Check the Sensor resistance.
Is resistance OFF (Sensor open)?
No
Reconnect or
Yes
repair the
connector
CON5
Change the
Sensor
Yes
Replace the
refrigerator
Yes
4
Check the Sensor resistance.
Is resistance normal?
Yes
5
Check the Temperature and
resistance refer to the table.
No problem?
CON5
Resistance [Ω]
st nd
1 pin ~ 2 pin
-22ºF /-30ºC
-13ºF /-25ºC
-4ºF / -20ºC
-13ºF /-25ºC
14ºF / -10ºC
23ºF / -5ºC
32ºF / 0ºC
Yes
6
Explain to customer
40k
30k
23k
17k
13k
10k
8k