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Oct 6, 2008

ESP fails to boot correctly following a firmware upgrade or downgrade

Summary
The ESP-88 fails to boot correctly after performing a firmware upgrade or downgrade. The power LED is green, Ethernet LED is green (if connected) but the status LED is red and no audio passes.

Cause
The red Status LED can be an indication that there is an error with the netlist (configuration file) being loaded. This situation cannot normally occur through uploading because the error would be picked up during the upload process. In this instance the Status LED will turn red but the file with the error is not permanently saved and hence the ESP will boot correctly after a power-cycle.

The situation can occur when performing a firmware upgrade or downgrade on the ESP without also upgrading the configuration file (or re-loading an older version if downgrading). An ESP with an older version of firmware may not be able to read all the contents of a netlist (configuration file) created with a later version of ControlSpace Designer hence the error will occur.

If the ESP-88 fails to boot correctly and the Status LED is red, but no change has been made to the firmware or configuration file it may be an indication of a power supply issue (see below).

ESP fails to boot correctly - Red Status LED

Product
ESP-88 (v1.001 or later)

Workaround
Before performing a firmware upgrade or downgrade you should first connect with the correct version of ControlSpace Designer and 'Download' the current 'Saved' version of the file to your PC (or be sure you have a copy of the file already on your PC). You can then upload a blank configuration file prior to upgrading or downgrading the firmware which should avoid any incompatibility issues. Following the firmware change you can then re-connect with the alternate version of the software and upload the upgraded (or earlier) version of the configuration file without issue.

Resolution
Not Applicable

Links
ESP fails to boot correctly - Red Status LED

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