LG LFXS32726 Series Service Manual page 49

Condenser Fan Error (Er CF)
Reset the unit and
1
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
No Go to 3
Change the
Yes
Fan motor
4
Check the Fan Motor voltage
Is Fan Motor voltage 11.4~12.6 V?
Yes
5
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
No
6
Check the Fan Motor voltage
Is Fan PWM voltage 0V, 5V?
No
7
Explain to customer
Replace
No
Main PCB
Change the
Yes
motor
Replace
Yes
Main PCB