Thanks for your replies.
I have the manual and the new apex user guide and have read through the areas concerning these fallback and set statements. The Feed d statement is actually mentioned in the New apex user guide as a way to turn your return pump back on.
I have tried the set on statement after the fallback and what happens is when sw1 is open the pump will shut down then as soon as SW1 is closed the pump restarts.
I was trying to have the pump stay off when SW1 opens until I check the tank.
Maybe the only way to do it is to have defer statement or min statement like you have in your programming.
The SET ON statement does fix the restarting after power outage problem.
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