Quick links:
Product Overview
Installation
Settings and Administration
ADSL
SIP Support
Telephone ports
Network
Firewall
Wireless
VPN
Misc
Licenses
Troubleshooting
Differences
This shows you the differences between two versions of the page.
|
troubleshooting:dead [2014/01/10 10:49] tibor info about the time machine added |
troubleshooting:dead [2014/01/10 10:54] (current) tibor |
||
|---|---|---|---|
| Line 8: | Line 8: | ||
| ===== RST ===== | ===== RST ===== | ||
| If unit displays just RST for more than a minute then the firmware image in the unit has become damaged and cannot be loaded. | If unit displays just RST for more than a minute then the firmware image in the unit has become damaged and cannot be loaded. | ||
| - | You need to use the [[troubleshooting:lifeboat]] to load a new firmware image into the unit again. | + | If you have a dual-banked unit you can use the [[product_overview:special_modes|Time Machine]] to revert back to the firmware and configuration as it was before the last firmware upgrade: |
| - | If you have a dual-banked unit you can use the [[product_overview:special_modes|Time Machine]] to revert back to the firmware and configuration as it was before the last upgrade. | + | - Hold SEL button pressed when powering on unit. |
| + | - Keep SEL button pressed until "Old" is shown in display. | ||
| + | Now unit uses old firmware and configuration - like it was before last firmware upgrade. | ||
| + | If "Old" does not show after one minute then your unit is not dual-banked, or the time machine cannot operate for some reason. Then you need to use the [[troubleshooting:lifeboat]] to load a new firmware image into the unit again. | ||
| ===== CFG RST ===== | ===== CFG RST ===== | ||
| Line 33: | Line 36: | ||
| ====== Lifeboat ====== | ====== Lifeboat ====== | ||
| In most cases a seemingly dead unit can be brought back to life by using the [[troubleshooting:lifeboat]]. | In most cases a seemingly dead unit can be brought back to life by using the [[troubleshooting:lifeboat]]. | ||
| - | |||
