LG LFX25960SB Service Manual page 35

8-2-2 Load / Fan & Open Door Detection Circuit
1. Load Drive Condition Check
To measure outputs of the control board, check voltages between the pins for the following components:
Circuit
I/Maker Pilot Valve
Lamp-R
Barrier Heater
Lamp-F
Def Heater
Water Pilot Valve
Compressor
Out Plate, Front, R-Door, L-Door Heater
NOTE: When the door of the freezer/refrigerator is left open for 7 minutes or longer, the lamp of the
freezer'refrigerator turns.
2-1. Freezing compartment fan
MOTOR OFF
MOTOR ON
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Pin Number
Con3 Pin3
Con3 Pin9
Con3 Pin8
Con3 Pin7
Con3 Pin10
Con3 Pin11
Con3 Pin12
Con3 Pin5
Pin1 & 2 of con4
2V or less
13V~15V
Pin Number
Con3 Pin2
Con3 Pin2
Con3 Pin2
Con3 Pin2
Con3 Pin2
Con3 Pin2
Con3 Pin2
Con3 Pin2
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Output Voltage
115 VAC
115 VAC
115 VAC
115 VAC
115 VAC
115 VAC
115 VAC
115 VAC