LG LFXS24553S Service Manual page 43

Condenser Fan Error (E CF)
1
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
2
Check the fan rotating.
Does fan rotate?
Fan Motor
Yes
Go to 4
3
Check the Fan motor.
Rotate fan using hand.
It feel sticky?
Fan Motor
4
Check the Fan Motor voltage
Is Fan Motor voltage 8~12V?
No Go to 3
5
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
Change the
Yes
Fan motor
6
Explain to customer
CON7
TEST MODE 1 Voltage [V]
CON7
8~12V
4 th pin ~ 6 th pin
Yes
CON7
TEST MODE 1 Voltage [V]
CON7
Not 0V, 5V
nd th
2 pin ~ 6 pin
No
Replace
No
Main PCB
Change the
Yes
motor