agsalmon Posted May 5, 2013 Report Share Posted May 5, 2013 For the last few months my 10-year-old Hot Spring Vanguard has been acting weird. The jets mysteriously go on and off multiple times per day. Also, the heater seems to go to the highest temperature on it's own. I'll have it set at 103 or 104, and later when I get in the water is scalding hot...this also happens on its own. Could these two issues be related to one another? Any ideas or help is greatly appreciated. Quote Link to comment Share on other sites More sharing options...
Dan.The.Spa.Man Posted May 5, 2013 Report Share Posted May 5, 2013 Most likely a problem with the auxiliary control pad. Kill power to the tub, open up the main control box, and unplug the phone connector style plug in the upper right hand corner of the box. Turn power back on and see if the problem goes away. If the tub is set for 104 and the jets are coming on periodically with the cover down, then yes, the heat added from the pumps can increase the water temp quite a bit. Quote Link to comment Share on other sites More sharing options...
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