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Flo error, Sundance Maxxus 2001, have replaced circ motor and flo switch

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SerjicalStrike:
Does water come out of the jets when the 2 speed pump kicks on?

Mrs Solomon:
It did, yes.  There are three options on this model for the jets.  The first pump, which has low and high speed, and then a second and a third.  When I was able to get the tub running without tripping the fuse (working on those darned tines now!), all three would work. 

When I first ran it, and I believe this was before I replaced the flow switch, the tub would shut off after I put the first pump into high mode.  That has not occurred since, however.

SerjicalStrike:
The first pump, if pushing water through the jets, should be pushing water through the flow switch as well.  Sundance didn't separate the two lines until 2002, when they went to a 2 piece filter.  I assume, with a 2001, your spa has the filter that goes over a pipe and then slides under a hook. 

If it is not pushing water through the flow switch, there may be a kink in the line or the heater may be clogged. I have seen that happen if the water was in the spa for a long time, as the cyanuric acid builds up then crystallizes. 

Also, just verify that the switch is in correctly.  The water should come out of the heater and then the flow switch should have the arrow going from left to right.  Inside the switch, the tab should be on the left and the post should be on the right.

Mrs Solomon:
The flow switch arrow is pointing to the right -->, and the tab is to the left and the post on the right.  I could see water moving through it when the first pump was turned on.

For the filter, there is, on the right, a rigid tube that I fit the filter onto and as I tighten the ring I fit the left end of the filter into a circle on the left side of the filter basin.

The flo error initially appeared when I was running the spa after weeks of general on and off use.  I order the new circulator motor, drained the spa, but it was quite a while before I was able to get around to installing the motor and being where I am now.

If there is a kink in the line or if the heater is clogged, how would I check that, or fix it?  Is it something I can do on my own?

Thanks again for you help!

Mrs Solomon:
I was re-reading your previous post about the two-part filter.  My filter has two parts, I think.  The outer one that is like waves of paper/fabric, and then another that slides into the first.  If that matters at all.

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