lyne Posted June 9, 2012 Report Share Posted June 9, 2012 I woke up this morning to find my hot tub (Cal spa) motor rapidly turning on and off causing the pumr to surge. I wasn't sure if it was motor or pump so I cleaned the filter, tried to bleed the air for the line- that did not work. Tried to remove one of the sensors that did not work either. I have shut it off Anyone have any ideas? Quote Link to comment Share on other sites More sharing options...
lyne Posted June 12, 2012 Author Report Share Posted June 12, 2012 so I opened up the lines and they seem to be clear. I am thinking that it must be in the curcuit board-- any advice Quote Link to comment Share on other sites More sharing options...
Dr. Spa Posted June 12, 2012 Report Share Posted June 12, 2012 Is the motor REALLY cycling? Or is the water simply surging due to being too low in the spa (much more common). Quote Link to comment Share on other sites More sharing options...
lyne Posted June 12, 2012 Author Report Share Posted June 12, 2012 I am not sure if the motor is cycling or if it is surging. There is more than enough water. I thought it might be a problem with the water flow also so last night we removed the line leading to the pump and could not find any obstruction. Quote Link to comment Share on other sites More sharing options...
n1oty Posted June 12, 2012 Report Share Posted June 12, 2012 Have you pulled the filter or filters?? John Quote Link to comment Share on other sites More sharing options...
Dan.The.Spa.Man Posted June 13, 2012 Report Share Posted June 13, 2012 Could be low voltage as well. I would check to see what the voltage is at the pump. Quote Link to comment Share on other sites More sharing options...
lyne Posted June 14, 2012 Author Report Share Posted June 14, 2012 Yes I pulled filters. I will hcek the voltage. I need to borrow a meter Quote Link to comment Share on other sites More sharing options...
lyne Posted June 15, 2012 Author Report Share Posted June 15, 2012 So I finally felt out of my league and called service. It was the elctronic control panel. It is on order Quote Link to comment Share on other sites More sharing options...
Chas Posted June 21, 2012 Report Share Posted June 21, 2012 I would STILL check the voltage - if you have low voltage it could very well have damaged the board thanks to the pump trying to start all night. If you put in a new board, the low voltage could eat it up as well. You may ask why it worked as long as it did and suddenly has low voltage? There are many reasons from corrosion to a bad original job of wiring. I have seen it a lot. HTH Quote Link to comment Share on other sites More sharing options...
Jblomms Posted December 11, 2016 Report Share Posted December 11, 2016 Hi everyone, i have a similar issue to the one above. I have a 2007 jacuzzi j480 and the two pumps start to turn on and off quickly sometimes. They do this alternating then will do it at the same time. It doesn't seem completely random. I've read about possible low voltage. However this only happens once every few days. The panel shows no errors. Any suggestions? Thanks in advance!! Quote Link to comment Share on other sites More sharing options...
masterdrago Posted December 13, 2016 Report Share Posted December 13, 2016 Mine does this when it is cold - in 40s. Display shows 32. Started after replacing an open Balboa temperature sensor. My pump will come on, the heater relay will close, heater will draw current, then relay will open , heater will go off, then pump will go off. Then all this repeats. Only when it is cold. Water temperature is near 95 where it stays unless we want to use it. Then we turn it up to 104 to heat it up. Craziest operation I've ever seen. The old temp sensor was open and heating to some high limit shut off - 108-112. Now it starts and stops when ambient is low. Quote Link to comment Share on other sites More sharing options...
stanley9layton Posted December 19, 2016 Report Share Posted December 19, 2016 I would firstly check the voltage - if you have low voltage, it could very well have damaged the board thanks to the pump trying to start all night. If you put in a new board, the low voltage could eat it up as well. You may ask why it worked as long as it did and suddenly has low voltage? There are many reasons from corrosion to a bad original job of wiring. Quote Link to comment Share on other sites More sharing options...
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