Stemlab 14-bit fails on startup

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n4zr
Posts: 7
Joined: Sat Jul 02, 2016 1:41 pm

Stemlab 14-bit fails on startup

Post by n4zr » Fri Jun 01, 2018 2:52 pm

My new unit typically fails the first time it is powered up. It goes through the standard start-up sequence, including the flashing red "heartbeat" indicator, followed by a 1/2-second illumination of the 4th (yellow) LED. After that the heartbeat stops. Typically, if I disconnect and reconnect the power one or more times, I can get it to keep running, and it then appears to work normally.

I am using the Stemlab with Pavel Demin's latest HPSDR compatible 8-band receiver, and aside from this quirk it works well. Any advice?

Pete Smith N4ZR

redpitaya
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Posts: 230
Joined: Wed Mar 26, 2014 7:04 pm

Re: Stemlab 14-bit fails on startup

Post by redpitaya » Tue Jun 05, 2018 1:45 pm

Hi,
please try with another SD card & power supply and official SD card image.
http://redpitaya.readthedocs.io/en/late ... Dcard.html
If this will not help and board is still in warranty, please contact our support.
thank you, Red Pitaya team

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