On 16/04/2014 20:20, William Sommerwerck wrote:
If they're only a few months old, Cree and/or the manufacturer are
obliged to replace them. Scream and yell until you get them to.

Point out to them that, as LEDs have an inherently long lifespan, these
LEDs must be inherently defective. You are therefore entitled to a
replacement under the warranty of implied merchantability.

Boring, anyone can do that. Where's your hacking spirit?