LG LFXS32726 Series - Page 65

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Poor cooling in Fresh food section
1
Check the sensor resistance.
CON7
2
Reset the unit and
Input Test1 Mode.
(Push the button 1 time)
3
Open the fresh f ood door and
Check the air flow. Windy?
No
Yes
Check the R
Fan Motor
Check the
damper
Go to 5
4
Check the air temperature.
Is it cold?
No
Yes
Check the
Compressor
and sealed
system
5
Yes
Replace
Main PCB
No
6
No
Change the
motor
Yes
Go to 8
Check the Fan Motor voltage
Is Fan Motor voltage 11.4~12.6 V?
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
8
Explain to customer
7
No
Change the
motor
Yes
Check the Fan Motor voltage
Is Fan PWM voltage 0V, 5V?