LG LSXC22396S - Page 54

Troubleshooting
Condenser Fan Error ( E CF)
1
2
Check the fan rotating.
Does fan rotate?
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
Fan Motor
Fan Motor
TEST MODE 1 Voltage [V]
CON8
11
th
pin ~ 20
th
pin
2~4.5 VDC
4
Check the Fan Motor voltage
Is Fan Motor voltage 10~12V?
Yes
Replace
Main PCB
No
TEST MODE 1 Voltage [V]
CON8
11
th
pin ~ 16
th
pin
10~12 VDC
5
Check the Fan Motor voltage
Is Fan PWM voltage 2~4.5V ?
No
Replace
Main PCBNo
6
Explain to customer
CON8
CON8
TEST MODE 1 Voltage [V]
CON8
11
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
CON8
55
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