LG LRSXC2706 Series Service Manual page 59

3. Water mode doesn't work (Non-Plumbing model type)
Symptom
1. Water mode doesn't work
1. Check for a loose connection
2. Check the resistance : pump motor, Valve, Lever S/W
51
Check Point
Main PCBA
Lever S/W
CON4
pin ~ 6 pin
5 th th
Not Pushing
Sub PCBA
LEVER S/W
Pushing
CON 1
4 pin ~ 12 pin
th th
Pushing
Pushing
2 CON
5 pin ~ 6 pin
th th
Pushing
Pump Motor
Water Valve
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CON4
CON2
CON1
Voltage [V]
11.5~12.5
Pushing
0~2
Water
Voltage [V]
21.6~26.5
Not
0~2
0~2
Not
3.5~5
Resistance [ohm]
2.8ohm
1520~1680ohm