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Good morning! My Sundance Optima 850 has the FLO error and the circulation pump is not running. If the flow switch is bad, will this keep the circulation pump from running? Or is it for sure the circulation pump? (well...unless it's a control board issue I suppose)

The flow switch does have a little debris on it which made me suspect it, but if the $50 part is causing the issue, that's better than the $200 part! haha! Thanks!

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  • 2 months later...

Your tech must be a moron, a voltage test to the pump would either show voltage to the pump or not and differentiate between the two.

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