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Does my Conext ComBox need external power during an inverter firmware upgrade?

Customer is on site doing a firmware upgrade, ComBox just using Xanbus power, and wants to confirm if the ComBox needs to have external power to stay powered on during the upgrade.

Product Line:
Conext ComBox - Conext SW - Conext XW - Conext XW+

Firmware upgrades

The Conext ComBox's 12V power supply should be used during the upgrade process.

The inverter's load output as well as the Xanbus will be affected during the upgrade because the unit will stop producing power when the process starts.
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