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Sundance marin 850 error message "FLO"

Just drained and refilled spa. also replaced jet nossels/covers. worked fine for a while and then FLO message appeared. pumps work fine. water level ok. heater now not working. found 4 small ball bearings in bottom of spa. Any recommendations on how to fix this problem?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: heater won't go on my jucuzzi model 315

Hey, I am having the same problem... Did u figure out the problem? How did you fixed it??


Thanks

renato_rmj@yahoo.com.br

Posted on Jun 01, 2009

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john224
  • 1378 Answers

SOURCE: Power Flo Matrix pump, leaking from underneath?

Replace the pumps mechanical seal with a replacement seal #200. It's less than $10.

Posted on Jul 20, 2009

john224
  • 1378 Answers

SOURCE: Loud buzzing sound when turned on. Some flow to jets just not muc

Replacing the whole thing is pretty easy but costly. You could save up to about $100 just replacing the motor which is still around $300 alone. Try local electric motor shops that advertise pump or pool repairs. The motor may also be fixable so you would be best served to take it to one of those shops for an inspection prior to just ordering anything new.

Posted on Aug 24, 2009

Mike258
  • 1498 Answers

SOURCE: pump was working fine yesterday popped the breaker

Hi Mohn,

Don't know your geographic location, but where I am we've been in the single digit temperatures for three days. Everything that can freeze has frozen.

If you are in a similar area, even though the water in the spa (I'm assuming the spa pump is being used on a spa) is heated, the pump housing isn't. If it iced up, it could very well cause the problems you describe.

Comment back with some more detail before I continue down what might be the wrong path.

Best regards
Mike

Posted on Dec 11, 2009

SOURCE: Refilled my hottub and now there is a

simple fix its one of two things you did not prime the spa when filling it meaning that u just did not lay a hose in the spa then fill it you always need to prime the heater first along with the circ pump if you do not you will get a thing call airlock which is what it sounds like air in the main circulation pump for the heater.Also could be that u removed the filter while you still had the spa running an clogged the circ pump or it could be the flowswitch. Sounds like u might have a sundance spa an if the flo is flashing its either the air lock or your pump went or its clogged if the flo sign is not flashing then its the flowswitch but in that case w/a solid flo nothing would b working. To fix the airlock just shut the power down an take your hose an force water into the intake side of the filter area this is what u should always do 1st when you fill it that how you prime yuor pump an when fillin it all the way it best to fill it through the other end of the filter just put the hose into the filter tube w/the screw on it.IF THATS NOT IT THEN FEEL YOUR CIRC PUMP IT WILL BE THE SMALLEST PUMP IN THE SPA IF U CAN NOT TOUCH IT FOR MORE THEN A FEW SECS. THEN IT WENT ON U OR IT CLOGGED

Posted on Mar 27, 2010

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I have a Sundance 850 spa that when you switch it on at mains power , runs for 5-10 sec then shuts off. Have message - - - - that comes on display panel


Had a similar problem; the heater was blown. You might want to try disconnecting heater wires (with breaker to spa OFF).

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Try run the spa with out the filter cartridge if this clears the error then it is the cartridge.
If none of these work it is possible the your flow switch and/or pump is beginning to fail.
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Do you have any error codes on display in the topside panel?


Rod
US Parts Center
888-521-6183

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1 Answer

Refilled my hottub and now there is a ''FLO'' signal and the heater will not come on. Pumps and jets work fine.


simple fix its one of two things you did not prime the spa when filling it meaning that u just did not lay a hose in the spa then fill it you always need to prime the heater first along with the circ pump if you do not you will get a thing call airlock which is what it sounds like air in the main circulation pump for the heater.Also could be that u removed the filter while you still had the spa running an clogged the circ pump or it could be the flowswitch. Sounds like u might have a sundance spa an if the flo is flashing its either the air lock or your pump went or its clogged if the flo sign is not flashing then its the flowswitch but in that case w/a solid flo nothing would b working. To fix the airlock just shut the power down an take your hose an force water into the intake side of the filter area this is what u should always do 1st when you fill it that how you prime yuor pump an when fillin it all the way it best to fill it through the other end of the filter just put the hose into the filter tube w/the screw on it.IF THATS NOT IT THEN FEEL YOUR CIRC PUMP IT WILL BE THE SMALLEST PUMP IN THE SPA IF U CAN NOT TOUCH IT FOR MORE THEN A FEW SECS. THEN IT WENT ON U OR IT CLOGGED

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