LG LRMVS3006 Series Service Manual page 48

Refrigerator Fan Error (E rF)
Reset the unit and
1
Input Test1 Mode.
(Push the button 1 time)
2
Open the f reezer door and Check
the air f low. Windy?
No
Go to 4
3
Check the Fan motor.
Rotate f an using hand.
It f eel sticky?
4
Check the Fan Motor voltage
Is Fan Motor voltage 11.4~12.6V?
CON3
28th pin ~ 25th pin
Go to 3
Yes
5
Check the Fan Motor voltage
Is Fan feed back voltage 0V, 05V?
CON3
26th pin ~ 25th pin
6
Check the Fan Motor voltage
Change the
Is Fan PWM voltage 0V, 05V?
Yes
Fan motor
CON3
27th pin ~ 25th pin
7
Explain to customer
-46-
TEST MODE 1
Voltage [V]
11.4~12.6V
Yes
TEST MODE 1 Voltage [V]
Not 0V, 5V
Yes
TEST MODE 1
Voltage [V]
Not 0V, 5V
Yes
Replace
No
Main PCB
Change
No
the motor
Replace
No
Main PCB
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