LG F12U2HDM Series - Page 39

Symptom Check Point
1. LOCKED MOTOR
ERROR (LE)
1.Check Electric Wiring.
2.Check Motor’s Resistance.
3.Check Hall sensor ‘s Resistance.
4.Check Hall sensor ‘s Voltage.
Motor Main PWB
Resistance
[
]
(1) ~ (2) RD4 1
st
~ RD4 2
nd
5 ~ 15
(2) ~ (3) RD4 2
nd
~ RD4 3
th
5 ~ 15
(3) ~ (1) RD4 3
th
~ RD4 1
st
5 ~ 15
CN2
NA1
(1)(2)(3)(4)(5)
(1)
(2)
(3)
Motor
Hall Sensor
Hall
Sensor
Main PWB Result
(1) ~ (5) NA1 3
th
~ NA1 1
st
8 ~ 12 k
(2) ~ (5) NA1 2
nd
~ NA1 1
st
8 ~ 12 k
(4) ~ (5) NA1 4
th
~ NA1 1
st
10 ~ 15 Vdc
(Voltage Input)
(1) ~ (4) NA1 3
th
~ NA1 4
th
10 Vdc
(Pulsing Signal)
(2) ~ (4) NA1 2
nd
~ NA1 4
th
10 Vdc
(Pulsing Signal)
