Hi, So I have a Core and Photon in my house both acting as temperature sensors. They have both worked reliably for months. Recently, I upgraded both to the latest firmware (0.4.7) and the Photon now refuses to connect. Upon power up, it breathes blue normally, but when I retrieve data from the c…

If your application blocks the system for more than 10 seconds the device will disconnect from the cloud, which is shown by breathing green. As soon as the loop() executes again, the device will attempt to reconnect. The fix is to find where your code is blocking the system and remove that blockage…

Just some thoughts on new Photons if it helps anyone, I bought 4 photons, 3 different experiences :slight_smile: all working now. 1st photon: connected usb, slow blue blink, to com port to get #ID and set wifi, the process self rebooted to slow cyan blink (after other colours) after ~1 min. I went…

Hi, Thank you for the feedback. This situation is particularly interesting. Here are some responses to at MDMA’s note. The code is completely non-blocking. sleep() is not used anywhere. (The same base code is used in my Core and it has none of these issues.) While the cloud disconnects, it nev…

Blocking code can be due to more than simply calling sleep() - a loop that doesn’t terminate for example. If you haven’t updated your core to 0.4.6 or newer then it won’t exhibit this behaivor - the LED will still show breathing cyan even though the device has dropped off the cloud. The fact that …

Okay so what seemed to work for me was holding down the RESET button until it flashed purple. Then I flashed the device from the particle.io/build page. My computer wasn’t able to run particle setup correctly or flash tinker so I connected it via the particle app on my iphone. I wasn’t able to flas…

Yes, that would have put your device in safe mode - your application isn’t run and so any code in the application that is blocking the cloud would be skipped, allowing the device to stay on the cloud.

Breathing green after the upgrade to 0.4.7

Troubleshooting

Charly November 25, 2015, 6:26pm 8

@mdma
I’ve got a similar issue but I opened a new post for this one

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Photon breathing green bug Firmware	41	6393	April 30, 2016
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[PHOTON] Blinking Cyan Troubleshooting	5	2115	February 2, 2016
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Breathing green after the upgrade to 0.4.7

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