Fortinet FortiFone - Troubleshooting; Troubleshooting Guide

Troubleshooting Page 59 FortiFone™ User Guide for FON-260i
Troubleshooting
Information
The phone provides the means to quickly view the network parameters (IP address, default
gateway address, and subnet-mask), server IP addresses (SIP servers, TFTP server, and SNTP
server), results of the last file download attempt, boot version, and hardware and firmware
version. This information may be useful if calling Fortinet Support.
• Press the button, select 8. Information and press the OK button.
• Press the Down navigation button to scroll through the parameters.
• Press the button to exit the menu.
Troubleshooting Guide
Symptom Corrective Action
Nothing showing on the LCD 1. Ensure the power adapter is plugged in.
2. Check/replace AC/DC adapter.
Phone displays “Obtaining IP
Address” for more than
2 minutes
The DHCP server is not responding.
1. Check if the DHCP server is online or reboot the
router/device.
2. Check your VLAN settings if enabled. To exit the DHCP
searching mode, press the button 3 times. The
phone will complete the boot and return to idle.
“Not Registered” on LCD 1. Ensure the MAC address in the phone system
configuration is correctly entered then save and reboot the
phone.
2. Ensure the phone type is the same as the model you have.
3. Ensure the TFTP IP address is correct. To verify, see the
Updating the Firmware section.
4. Check the network connections and firewall settings at
the phone system location if using as an external
extension.
No dial tone when off-hook 1. Ensure the RJ-45 LAN cable is connected correctly.
2. Ensure the phone is registered with a phone system. See
the previous topic for more information.
No audio during a call 1. Check the handset connections.
2. Make sure the phone is properly registered with the phone
system.
3. Check the network connections and firewall settings at
the phone system location if using as an external
extension.