This video is about The Spa Guy showing How To Diagnose a Master Spa with a Balboa MAS560 Board that has full power to the board but still does not operate.. it is a similar process on all brands... www.HotTubPartsofAmerica.com -- Edited by T...
Hi Guys, I've just changed a leaking light fitting but had to remove control box and heater for access. after replacing everything and filling tub the pumps started for 2 seconds then everything stopped. nothing on control panel but power running through the board. Any ideas?