LG Room Air Conditioner - Hawco
LG Room Air Conditioner - Hawco
LG Room Air Conditioner - Hawco
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Trouble 5<br />
When the horizontal louver does not operate.<br />
• Confirm that the vertical louver is normally geared with the shaft of Stepping Motor.<br />
• If the regular torque is detected when rotating the vertical louver with hands ⇒ Normal<br />
• Check the connecting condition of CN-U/D Connector<br />
• Check the soldering condition(on PCB) of CN-U/D Connector<br />
Check the operating circuit of the vertical louver<br />
• Confirm that there is DC +12V between pin ➀ of CN-U/D and GND.<br />
• Confirm that there is a soldering short at following terminals.<br />
- Between 41 , 42 , 43 and 44 of MICOM<br />
- Between 4 , 5 , 6 and 7 of IC01M<br />
- Between 10 , 11 , 12 and 13 of IC01M<br />
If there are no problems after above checks.<br />
• Confirm the assembly condition that are catching and interfering parts in the link of the<br />
vertical louver<br />
Troubleshooting Guide<br />
Service Manual 71
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