LG LFXS28566 Series, Service Manual

Page: 29 / 108

Icing Sensor Error (IS E)
1
Reconnect or
repair the
connector
Is the Connector disconnected
or loose between Main PCB and
sensor?
Yes
No
2
Check the Sensor resistance.
Is resistance 0
Ω
(Sensor short)?
Yes
No
Change the
Sensor
3
Check the Sensor resistance.
Is resistance OFF (Sensor open)?
Yes
No
Replace the
refrigerator
4
Check the Sensor resistance.
Is resistance normal?
Yes
5
Check the Temperature and
resistance refer to the table.
No problem?
Yes
6
Explain to customer
CON5
15
th
pin ~ 17
th
pin
Resistance [
Ω]
-22ºF / -30ºC 40k
-13ºF / -25ºC 30k
-4ºF / -20ºC 23k
-13ºF / -25ºC 17k
14ºF / -10ºC 13k
23ºF / -5ºC 10k
32ºF / 0ºC 8k
CON5