LG LRSXC2706 Series Service Manual page 39

Troubleshooting
Room Temperature Sensor Error
(E rt)
1
Is the Connector disconnected
or loose between Main PCB and
sensor?
No
2
Check the Sensor resistance.
No
3
Check the Sensor resistance.
Is resistance OFF (Sensor open)?
No
4
Reconnect or
Yes
Check the Sensor resistance.
repair the
Is resistance normal?
connector
5
Check the Temperature and
resistance refer to the table.
No problem?
Change the
Sensor
Yes
6
Replace the Explain to customer
refrigerator
Yes
40
Yes
CON7
17 th pin ~ 1 8 th pin
23ºF / -5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
Yes
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