Normal
Most likely it's a firmware issue on the Photon if the sketch worked on the other one, would compare both to see if they run the latest and if not update its firmware manually.Under Devices you can find each device firmware:[ATTACH=full]187868[/ATTACH]If that is the same version check the FastLED library, just verified it with FastLED 3.1.5 which is the most recent there.
Most likely it's a firmware issue on the Photon if the sketch worked on the other one, would compare both to see if they run the latest and if not update its firmware manually.
Under Devices you can find each device firmware:
[ATTACH=full]187868[/ATTACH]
If that is the same version check the FastLED library, just verified it with FastLED 3.1.5 which is the most recent there.