LG LFX28968SW Service Manual - Page 40
Check the F Sensor resistance
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9-7 Poor cooling in Freezer compartment No Checking flow 1 Check the F Sensor resistance ※ The F Sensor is determined by the temperature. For example, 23㏀ indicate -4°F. 2 Reset the unit and Input Test 1 Mode. (Push the button 1 time) Result & SVC Action Temperature -22°F / -30°C -13°F / -25°C -4°F / -20°C 5°F / -15°C 14°F / -10°C 23°F / -5°C 32°F / 0°C Result 40 ㏀ 30 ㏀ 23 ㏀ 17 ㏀ 13 ㏀ 10 ㏀ 8 ㏀ 3 Open the freezer door and Check the air flow. Status Windy No windy SVC Action Go to the 4 Check the F Fan motor 4 Check the air temperature. Cold or not ? Status Cold Not cold SVC Action Explain to customer Check the Compressor And sealed system - 40 -
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9-7
Poor cooling in Freezer compartment
No
1
Checking flow
Check the F Sensor resistance
2
Reset the unit and
Input Test 1 Mode.
(Push the button 1 time)
3
Open the freezer door and Check the air
flow.
※
The F Sensor is determined by
the temperature.
For example, 23
㏀
indicate -4°F.
Result & SVC Action
Temperature
-22°F / -30°C
-13°F / -25°C
-4°F / -20°C
5°F / -15°C
14°F / -10°C
23°F / -5°C
32°F / 0°C
Result
40
㏀
30
㏀
23
㏀
17
㏀
13
㏀
10
㏀
8
㏀
Status
Windy
No windy
SVC Action
Go to the 4
Check the F Fan motor
4
Check the air temperature.
Cold or not ?
Status
Cold
Not cold
SVC Action
Explain to customer
Check the Compressor
And sealed system
<CON7>