LG LRSXC2306 Series, Руководство по обслуживанию

Страница: 47 / 101

Troubleshooting
Freezer Fan Error (E FF)
1
2
Open the freezer door and Check
the air flow. Windy?
No
Yes
Go to 3
3
Check the Fan motor.
Rotate fan using hand.
It feel sticky?
Yes
Change the
Fan motor
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
Go to 4
TEST MODE 1 Voltage [V]
CON3
13
th
pin ~ 15
th
pin
2 ~ 4.5 VDC
4
Check the Fan Motor voltage
Is Fan Motor voltage 10 ~ 12 VDC ?
Yes
Replace
Main PCB
No
TEST MODE 1 Voltage [V]
CON3
13
th pin ~ 16 th pin
10 ~ 12 VDC
5
Check the Fan Motor voltage
Is Fan PWM voltage 2~4.5V ?
Yes
Replace
Main PCB
No
6
Explain to customer
TEST MODE 1 Voltage [V]
CON3
13
th pin ~ 14 th pin
Not 0V, 5V
5
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V,5V ?
No
Change the
motor
Yes
48
Copyright © 20 21 LG Electronics Inc. All rights
reserved. Only training and service purposes.
Fan
Motor