LG GR-L28AK Series Service Manual page 59

7-9. Water Valve
Function
- First-Water Valve (in machine room)
: supply the water from city water to water filter in refrigerator
- Second-Water Valve (in door)
: supply the water from water filter to icemaker and dispenser
How to
Measure
Standard
Test Points
First-water valve
(in machine room)
Result
(1) to (2) 360 ~ 420
Dispense
- 59 -
Ice Maker
second-water valve
(in door)