Red led ?

[ROBAK]

I have new h4-3d gimbal installed yesterday and when I power on is not at 90 degrees as i. Set on the computer also is solid red led on the back of it?
All rest works fine ?
Is that normal? I was reading led should be green?!
Please help

 

[Airborne]

http://www.phantompilots.com/threads/h4-3d-gimbal-only-tilts-about-15-degrees.40781/