Still an SF Message  (No Suction Blockage Switch)

There should Not be an "SF" Message on this Spa, and the Error did Not Reset with a Button Press.

What is Connected to the System Board J82 Connector?

Nothing Connected to J82

OtherConnectors-VAC-Open

 

There's a 2-Pin Jumper on J82

OtherConnectors-VAC-Jumper

 

Something Else Connected to J82

OtherConnectors-VAC-Other