Cisco VG400 Voice Gateway Hardware Installation Guide

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The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.

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Updated:: December 17, 2018

Chapter: Troubleshooting

Troubleshooting

Troubleshooting

This section describes possible mechanical problems and corrective actions.

Warning

Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Warning

No user-serviceable parts inside. Do not open. Statement 1073

If there appears to be a malfunction, first check all cables and connections. If these are in order, see the Troubleshooting section for specific troubles and solutions.

For problems with the configuration, refer to Cisco vg400 Voice Gateway Software Configuration Guide..

Table 1. Troubleshooting the Cisco VG400 Voice Gateway
Symptom	Possible Cause	Corrective Action
Power LED and fan are off	Power source switched off	Switch power source on
	Faulty power cable	Check/replace power cable
	Faulty power source	Check/correct input power
	Faulty internal power supply	Contact Cisco¹ or your Cisco reseller
Power LED on; fan off	Faulty Cisco VG400	Contact Cisco 1 Technical Service Center or your Cisco reseller
Power LED off; fan on	Faulty Cisco VG400	Contact Cisco 1 or your Cisco reseller
No initialization response from Cisco VG400	Faulty modem console terminal	Check/replace modem/terminal
	Faulty cabling to terminal	Check/replace cable
	Faulty Cisco VG400	Contact Cisco 1 or your Cisco reseller
Unit shuts off after operating for some time	Overheating	Check ventilation
Unit shuts off after operating for some time	Faulty Cisco VG400	Contact Cisco 1 or your Cisco reseller
Console screen display freezes	Console fault	Reset/replace console
	Software error	Repeat power-on procedure
	Faulty Cisco VG400	Contact Cisco 1 or your Cisco reseller

¹ See the “Obtaining Technical Assistance” section.

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