whee Posted July 22, 2012 Report Share Posted July 22, 2012 Hello, Troubleshooting a “FLO” error on my Sundance Optima, Model year 2000. Replaced filter Replaced heater (due to leaks) Bypassed smart logic board per Sundance instructions [*]Replaced hi-temp sensor due to error [*]Replaced circulation pump with Laing 6000-125 Wired pump to direct always hot 240 volt feed, since the normal pump circuit board connector is not getting power. Is this OK? Per instructions used the flow restrictor in the pump If I turn on the 2 speed pump, I can see the flow switch engage and the pump will run and the heater will turn on. I can see the circulation pump is running and it pushes the flow switch, but about 10 seconds after turning the hottub on I get the “FLO” error and it never recovers. The circulation pump keeps running, but can’t control the hottub. The circulation pump doesn’t push the flow switch as strongly as the 2 speed pump. I’m thinking probably bad flow switch, or could it be the circulation pump is not pushing enough water? I tried running without the filter; same results. Thoughts? Thanks in advance! -Peter Quote Link to comment Share on other sites More sharing options...
JAMES THE HOT TUB GUY Posted July 26, 2012 Report Share Posted July 26, 2012 I can help contact me premierhottubs@etcmail.com Quote Link to comment Share on other sites More sharing options...
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