LG LFXS26973 Series Service Manual page 31

Defrost Sensor Error (dS F)
1
Is the Connector disconnected
or loose between Main PCB,
Defrost controller and Sensor?
CON5
No
2 Check the Sensor resistance.
Is resistance 0 (Sensor short)
or resistance Infinity
open ) ?
No
3
Check the Sensor resistance.
Is resistance normal?
Yes
Reconnect or
Yes
repair the
connector
Change the
Sensor
Yes
( Sensor
4 Check the Temperature and
resistance refer to the table.
No problem?
CON5
10 pin ~ 9 pin
th th
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
Yes
5
Explain to customer
- 31-
Change
Main
No
PCB
Resistance [
]
38k
30k
24k
19.5k
16k