LG LFX28992 Series Service Manual page 39

9-6 Poor cooling in Refrigerator room
No
1 Check R-Sensor resistance.
<CON7>
R-Sensor is determined by
the temperature.
For example, 30
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
indicates 32°F.
Result & SVC Action
Temperature
23°F
32°F
41°F
50°F
59°F
Status
Windy
No windy
Status
Cold
Not cold
- 39 -
Result
°C 38
°C 30
°C 24
°C 19.5
°C 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