Light Unit Problem

[madere17]

Hi all
ive have a aquatlantis light unit..both units have stopped working..cannot find a replacement unit to fit because of the size, the light unit size is 760mm.
can anyone advise me as to where or what i could to remedy the problem.
Thankyou
Madere17

 

[Ps3Steveo]

I know its a silly question but have you checked the fuse in the plug.