technobeam error : UPLD

Hi,

We have two technobeams. One of them shows the UPLD message from the begining (it doesn´t make even the initial reset and home). we have tried to upload a firmware version from another technobeam. The upload is OK but the technobeam still the same.

The other one has the same problem, but the UPLD appears at any moment, maybe 1 hour, maybe days. Anyone has seen anything similar? we are getting crazy here! :aargh4:
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