LG AMNH096BTG0 Manuals page 197
Multi type air conditioner
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Also See for AMNH096BTG0:
- Service manual (268 pages) ,
- Service manual (249 pages) ,
- Service manual (242 pages)
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2) Troubleshooting CH03
Display
Title
code
Communication
03
Wired R/C
Wired R/C
12V
S
GND
12Vdc
V
Check the Volt.
Check Point
1. Check the wire connection. (Open / Short) ¡ Repair the connection
2. Check the soldering state of connector. (Soldered poorly) ¡ Repair or Change the PCB.
3. Check the volt. Of main PCB power source. (DC 12V, DC 5V) ¡ Repair or Change the main PCB.
4. Check the installation of wired remote controller. (Noise interference) ¡ Adjust the state of installation
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Cause of error
• Open / Short
• Wrong connection
Indoor Unit
12V
S
GND
12Vdc
V
Check the Volt.
Check point & Normal condition
• Connection of wire
• Main PCB Volt. DC12V
• Noise interference
CN-REMO
- 197 -
Troubleshooting Guide
LGE Internal Use Only
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Troubleshooting
