hi i have a catalina spa with a balboa digital spa controller i have power from the gfi to the tub but none to the digital pad its just blank can't run pumps and the water is cold all fuses on control are good 2 glass and one metal any hhelp greatly appreciated thanks fatboy mike

It is possible that your transformer or the circuitboard itself is defective.

thanks will check transformer tomorrow

Thanks charger 1 I must have been getting backfeed thriugh L2 and thought that 30 amp fuse was ok turned out to be blown after I pulled out and checked continuity,thanks for help even with the misrepresentation of fuses being OK