LG LMC25780 series Service Manual page 56

5 If the air is not coming out, check the fan and damper.
6 To judge the damper defect, check the resistance.
7 To judge the fan defect,
Reference Freezer fan error and Condenser fan error.
8 If the air is not cooling, Check the Compressor as flow.
1) Check the Oil leakage in machine room.
2) Check the remaining Oil in Tray Drip.
3) Check Temp of Comp, Cond over the 40°.
4) Check the frost in Suction line.
In case of this, you need to repair Sealing system.
(3)BL
(4)YL
Test Point
(1) To (4)
(2) To (3)
- 56 -
(1)RD
(2)WH
Result
373 ~ 456
373 ~ 456