
Appendix C – Troubleshooting
Troubleshooting Tables
| Problem | Solution | 
| LCD does not | 1. Batteries may be dead. Renew | 
| show anything | batteries with 4 x AAA alkaline | 
| when you tap it or | batteries. | 
| press any hard | 2. Check the batteries if they are | 
| buttons | properly installed. | 
| 
 | 
 | 
| One of devices | 1. Make sure that you turn on the | 
| can not be | control screen of device on SRC- | 
| controlled | 3820. | 
| 
 | 2. Move closer to the target device. The | 
| 
 | maximum operating distance is | 
| 
 | approximately 30 feet. | 
| 
 | 3. Ensure that the  | 
| 
 | the target device, and there is no | 
| 
 | obstruction between remote and the | 
| 
 | target device. | 
| 
 | 4. Ensure that the  | 
| 
 | inside for the target device. | 
| 
 | 
 | 
| An “ERROR” | 1. Make sure you press each hard | 
| message is | button of original remote at least over | 
| displayed on | 2 seconds. | 
| screen while the | 2. Make sure the original remote would | 
| Learning function | aim at learning eye of  | 
| is in progress | straightly. | 
| 
 | 3. Keep 2~4 inches (5~10 cm) apart | 
| 
 | between  | 
| 
 | remote. | 
| 
 | 
 | 
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