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Pro-900HP constantly needs a reset to do anything in X-CTU

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I am having a problem with one of my XBee pros.
One XBee works perfect, the other needs to be reset at every stage of reading or writing FW or settings.

I have
- written various FW versions,
- tried various breakout boards (Sparkfun explorer etc)
- different FTDI boards
- checked supply voltages
- different USB ports/cables/drivers
- different versions of X-CTU

Currently running Pro 900HP 200k (XBP9B-DM) on firmware 806A.

X-CTU does not identify the one unit until i use reset. I have used the recovery option, and it has written new FW to the XBee, but it never gets rid of the problem.

Any help would be greatly appreciated.
asked Aug 14, 2014 in Multipoint Proprietary by Ockert New to the Community (1 point)

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1 Answer

0 votes
Sounds like a baud rate mismatch between the module and your boards or a voltage issue on the UART pins. Try reloading the firmware using a board that has the necessary lines on it.
answered Aug 18, 2014 by mvut Veteran of the Digi Community (15,156 points)