LG LFX25973 Series Service Manual page 37

9-6 Poor cooling in Refrigerator room
No
1 Check R-Sensor resistance.
<CON7>
※ R-Sensor is determined by
the temperature.
For example, 30㏀ indicates 32°F.
2 Reset the unit and
Input Test 1 Mode.
(Push the button 1 time)
3 Open the fresh food door and Check the
air flow.
4 Check the air temperature.
Cold or not ?
Checking flow Result & SVC Action
Temperature
23°F / -5°C
32°F / 0°C
41°F / 5°C
50°F / 10°C
59°F / 15°C
Status
Windy
No windy
Status
Cold
Not cold
- 37 -
Result
38 ㏀
30 ㏀
24 ㏀
19.5 ㏀
16 ㏀
SVC Action
Go to the 4
Check the F Fan motor
Check the Damper
(Go to the 5)
SVC Action
Explain to customer
Check the Compressor
And sealed system