LG LMC25780 series Service Manual page 58

5 Pust the TEST button 1 more time. (TEST 2 MODE)
6 If the air is not coming out of vent, It's OK.
7 If the air is coming out of vent, Check the damper.
8 Although PCB and damper working well,
Check the sensor position and resistance.
Reference to Temperature chart end of troubleshooting.
(3)BL
(4)YL
Test Point
(1) To (4)
(2) To (3)
- 58 -
(1)RD
(2)WH
Result
373 ~ 456
373 ~ 456