LG LFX23961 Series Service Manual page 35

To measure putput of the fans on the control board check voltages between the pins for the following components:
FAN
Freezing compartment fan
Machine compartment fan
Icing compartment fan
3. Open Door Detection Circuit Check
Measurement
Location
Freezer/
Refrigerator Door
Closed
Open
PIN NUMBER PIN NUMBER
Con4 Pin1 Con4 Pin2
Con4 Pin7 Con4 Pin8
Con4 Pin4 Con4 Pin5
- 35 -
OUTPUT VOLTAGE
MOTOR ON
13 VDC - 15 VDC
13 VDC - 15 VDC
13 VDC - 15 VDC
Pin 10 & 11 of con4 Ref.Door
Pin 5 & 6 of con6 Fre.Door
5 V
0 V
MOTOR OFF
2 VDC or less
2 VDC or less
2 VDC or less