Boycey66 Posted September 29, 2019 Report Share Posted September 29, 2019 ive got a small problem with our tub, and pretty sure its an easy fix, maybe a link or something, would any one on here by any chance know ? Ive just replaced the original sf100 "51900" balboa board on our spaform majestic tub. had trouble finding a pcb, but in the end managed to source a "54126" which is a straight swap replacement. ones a 3 pump board and the new one is 2 pump, which fine for our tub. Ok, so fitted the 54126 board, swapped everything one for one, checked all links, just had to change one to get the correct display. ( i think it was A/B filter one ) PROBLEM, everything works BUT, when i press Blower or Jet 2, BOTH blower and jet2 come on together with either button. ive double checked all connections, any suggestions please? is there a link or something maybe needs changing.? Regards Steve Quote Link to comment Share on other sites More sharing options...
Aquastarman Posted October 3, 2019 Report Share Posted October 3, 2019 The software in the motherboard and the software in the control head are not the same anymore you may have to replace the topside control as well. Loosing your button assignments are common with board changes Quote Link to comment Share on other sites More sharing options...
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