Cisco VG224 Hardware Installation Guide - Page 61

Chapter 4 Powering On the Cisco VG224 Voice Gateway Troubleshooting Table 4-1 Troubleshooting the Cisco VG224 Voice Gateway Symptom Power LED and fan are off Power LED on; fan off Possible Cause Power source switched off Faulty power cable Faulty power source Faulty internal power supply Faulty Cisco VG224 Power LED off; fan on Faulty Cisco VG224 No initialization response from Cisco VG224 Faulty modem console terminal Faulty cabling to terminal Faulty Cisco VG224 Unit shuts off after operating for some time Overheating Faulty Cisco VG224 Console screen display freezes Console fault Software error Faulty Cisco VG224 1. See the "Obtaining Technical Assistance" section on page 16. Corrective Action Switch power source on Check/replace power cable Check/correct input power Contact Cisco1 or your Cisco reseller Contact Cisco1 Technical Service Center or your Cisco reseller Contact Cisco1 or your Cisco reseller Check/replace modem/terminal Check/replace cable Contact Cisco1 or your Cisco reseller Check ventilation Contact Cisco1 or your Cisco reseller Reset/replace console Repeat power-on procedure Contact Cisco1 or your Cisco reseller OL-5006-04 Cisco VG224 Voice Gateway Hardware Installation Guide 4-5