LG Electronics LSC183VMA Air Conditioner User Manual


 
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Confirm that the Vertical Louver is normally geared with the shaft of
Stepping Motor.
If the regular torque is detected when rotating the Vertical Louver with
hands Normal
Check the connecting condition of CN-U/D, CN-L/R Connector
Check the soldering condition(on PWB) of CN-U/D, CN-L/R Connector
Check the operating circuit of the Vertical Louver
Confirm that there is DC
+
12V between pin (RED) of CN-U/D, CN-L/R
and GND.
Confirm that there is a soldering short at following terminals.
- Between 62 , 61 , 60 and 59 of MICOM
- Between 57 , 56 , 55 and 54 of MICOM
- Between
51 ,
50 , 49 and 48 of MICOM
- Between
1 , 2 , 3 , 4 and 5 of CN-U/D, CN-L/R
If there are no problems after above checks
Confirm the assembly conditions that are catching and interfering parts in
the rotation radial of the Vertical Louver
6. When Vertical Louver does not operate.