LG LRSXC2706 Series Service Manual page 65

6. Poor/Over cooling in Fresh food section
Symptom
1. Poor cooling in Fresh
food section
1. Check the sensor resistance
2. Check the air flow
3. Check the air temperature
4. Check the R-Damper
5. Check the Fan motor sticky
6. Check the Fan motor voltage
65
Check Point
Fan Motor
CON4 R1SNR
15 pin ~ 16
th
23ºF /-5ºC
32ºF / 0ºC
41ºF / 5ºC
50ºF / 10ºC
59ºF / 15ºC
TEST MODE 1
CON3 13 th pin ~ 16
CON3 13 th pin ~ 15
CON3 13 pin ~ 14
th
Duct
Air Flow
Air Temperature
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Resistance
pin
th [Ω]
38k
30k
24k
19.5k
16k
Voltage
[V]
th pin
10.8~13.2 VDC
th pin
2~4.5 VDC
pin
th
Not 0V, 5V
Status
Windy
Cold