Fan temperatures

[jimk60]

Can you tell me what temperature the fans on my v2+ are supposed to come on? I

 

[Reef Breeders]

Around 35-40C or 100F. You can run a Photon in an average 68F room at up to 70% before fans are needed.

 

[jimk60]

Thanks! My light has been peaking out at 95 degrees so fans aren't running yet.

 

[Reef Breeders]

Thanks! My light has been peaking out at 95 degrees so fans aren't running yet.

Yup that's well within spec for those LEDs- Crees can be be run much hotter before losing efficiency. According to their datasheet 40C is the normal running temp.