LG LBC24360ST Service Manual - Page 39

Component Testing Information - manual

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10. COMPONENT TESTING INFORMATION 10-1 Defrost Controller Assembly Function - Controller assembly is consist of 2 kinds of part those are fuse-m and sensor. we can decide part is defect or not when we check the resistance. - Fuse-m can cut off the source when defrost heater operate the unusual high temperature. - Sensor give temperature information to Micom How to Measure (Fuse-M) (1) to (2) Set a ohmmeter to the 2 housing pin. Measure the 2 pin connected to Fuse-M. If the ohmmeter indicate below 0.1ohm fuse-m is a good condition, But infinitely great ohm Fuse-M is disconnection How to Measure (Sensor) (1) to (2) Set a ohmmeter to The 2housing pin. Measure the 2 pin connected to Sensor. If the ohmmeter indicate 11㏀ (at room temperature) Sensor is not a defect. When check the ohm at other temperature Check the sensor manual. Standard Fuse-M (at all temperature) Test Point Ressult (1) to (2) 0 ~ 0.1Ω Sensor (at room temperature) Test Point Ressult (1) to (2) 11Ω 39

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10. COMPONENT TESTING INFORMATION
10-1 Defrost Controller Assembly
Function
-
Controller assembly is consist of 2 kinds of part those are fuse-m and sensor. we can
decide part is defect or not when we check the resistance.
-
Fuse-m can cut off the source when defrost heater operate the unusual high temperature.
-
Sensor give temperature information to Micom
How to
Measure
(Fuse-M)
Set a ohmmeter to the 2 housing pin.
Measure the 2 pin connected to Fuse-M.
If the ohmmeter indicate below 0.1ohm
fuse-m is a good condition, But infinitely
great ohm Fuse-M is disconnection
How to
Measure
(Sensor)
Set a ohmmeter to The 2housing pin.
Measure the 2 pin connected to Sensor.
If the ohmmeter indicate 11
㏀
(at room
temperature) Sensor is not a defect.
When check the ohm at other temperature
Check the sensor manual.
Standard
Sensor (at room temperature)
Test Point
(1) to (2)
Ressult
11
ω
Fuse-M (at all temperature)
Test Point
(1) to (2)
Ressult
0 ~ 0.1
ω
(1) to (2)
(1) to (2)
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