[Red and green flashing lights]

When you say pins which ones and do I turn hot tub off and thank you so much for your help 

[Red and green flashing lights]

24 minutes ago, Paulwa41qh said:

it is temporary to see if it was a censor issue but alas it’s not 

If I used a multimeter what would I set dial to thanks 

[Red and green flashing lights]

it is temporary to see if it was a censor issue but alas it’s not 

[Red and green flashing lights]

21 hours ago, RDspaguy said:

Post pics of circuit board, wiring diagram, and equipment area. 

Do you have a multimeter?

Only green light lite is lim ok 

[Red and green flashing lights]

Hot spring spa vanguard 2006 lights flashing circulation pump feels like it’s running not getting hot and bubbles in hot tub but will not heat up any one help please