LG LMXS28596 Series - Page 57

-57-
Poor cooling in Fresh food section
1
Check the sensor resistance.
7
Explain to customer
jvu\
X_

G¥GX^

w
Resistance [�@
23ºF / -5ºC 38k
32ºF / 0ºC 30k
41ºF / 5ºC 24k
50ºF / 10ºC 19.5k
59ºF / 15ºC 16k
2
Reset the unit and
Input Test1 Mode
(Push the button 1 time)
3
Open the fresh food door and
Check the air flow Damper?
No
Yes
Check the
damper
Go to 5
4
Check the air temperature.
Is it cold?
No
Yes
Check the
Compressor
and sealed
system
5
Check the Fan Motor voltage
Is Fan Motor voltage right?
Yes
Replace
Main PCB
No
6
Check the Fan Motor voltage
Is Fan Feed Back voltage 0V, 5V?
No
Change the
motor
Yes
Go to 7
TEST MODE 1 Voltage [V]
jvuZG_

G¥G\

w
12V
jvu\G^

G¥G\

w
0V<Voltage<5V
TEST MODE 1 Voltage [V]
jvu\G]

G¥G\

w
0V<Voltage<5V
1
2
3
4
- 57 -
&RS\ULJKW   /* (OHFWURQLFV ,QF $OO ULJKWV
UHVHUYHG2QO\WUDLQLQJDQGVHUYLFHSXUSRVHV