A Photon I am using was unable to work when plugged in this morning, even running the same code it has been running for weeks. On startup, I get a hard fault error. I have removed the Photon from my circuit and plugged it directly into the computer. I can perform a hard reset and download Tinker to …

Have you tried updating the system firmware?

I tried that this morning with: sudo npm update -g particle-cli && particle update The final output was: ! System firmware update successfully completed! Your device should now restart automatically. You may need to re-flash your application to the device. Unfortunately, the device did not resta…

Hmm… i feel like the system update was not done… Can you try particle flash --usb tinker?

Yeah, it seems that the update just doesn’t complete. I tried executing that command, but it only brings me back to the SOS and hard fault signal. It’s perplexing, to say the least. I have a natural tendency to encounter unusual problems, it seems.

Can you try: dfu-util -d 2b04:d006 -a 0 -s 0x80A0000 -D photon_tinker.bin Download the .bin file here: https://github.com/spark/particle-cli/raw/master/binaries/photon_tinker.bin

Thanks, here’s the output: dfu-util 0.7 Copyright 2005-2008 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2012 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to dfu-util@lists.gnumonks.org Filter on vendor = 0x2b04 …

Wow interesting. Let’s do a system update then. Did you see a similar output when using particle update?

Something different definitely happened with the update, but I don't know what. Perhaps this is good? Your device is ready for a system update. This process should take about 30 seconds. Here goes! ! System firmware update successfully completed! Your device should now restart automatically. Y…

Sounds like the hard fault is resolved and that you need to reflash the device keys. [image] Photon setup flashing cyan with a "quick red burst" (now orange burst) [Solved] Troubleshooting most of my photons have gotten setup without a problem (go team!) but one is havin…

I can’t remember but was there a need to change to version 0.8 of dfu-util? Was there a bug that showed up with new firmware… can’t remember but 0.8 has been out for 18months anyway.

Photon hard fault, even on Tinker (Resolved)

Troubleshooting

mdma December 23, 2015, 8:37am 10

Sounds like the hard fault is resolved and that you need to reflash the device keys.

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Photon hard fault, even on Tinker (Resolved)

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