LG F12U2HDM Series Service Manual page 32

Symptom
1. PR ESS URE
SE NSOR ERROR ( PE )
Press ure S ensor
MAIN P WB
Micom
Press ure Main
Sensor PWB
BL6 4 th
(1) ~ (3)
BL6 5
1.C heck Electric Wiring.
2.C heck Pressure s ensor's Resist ance.
3.C heck Air chamber and T ube clogged.
5V
R esistance
[ ]
21 ~ 23
~
th
(±10%)
Check Point
BL1
BL6
1 1
2 2
3 3
4 4
5 5
6 6
VT WH SB
NA
1 2 3
1 2 3
PRESSURE
SENSOR