If the Firmware Upgrade fails for any reason, the Comfort Firmware will be corrupted. It will not start and keypads and door stations will beep
Do not panic
You can use this method again to upgrade the firmware and get the system operational - BUT only with UCM/USB, NOT with UCM/ETH03
Follow the same instructions.
In Comfigurator, DO NOT LOG IN or do Transfer Information or any other function because there will be NO RESPONSE due to firmware being Corrupted
Go directly to Transfer > Firmware Upgrade and select \"By Programming cable Connected to UCM\"
Do not panic
You can use this method again to upgrade the firmware and get the system operational - BUT only with UCM/USB, NOT with UCM/ETH03
Follow the same instructions.
In Comfigurator, DO NOT LOG IN or do Transfer Information or any other function because there will be NO RESPONSE due to firmware being Corrupted
Go directly to Transfer > Firmware Upgrade and select \"By Programming cable Connected to UCM\"