steviea1966 Posted June 7, 2012 Report Share Posted June 7, 2012 Hi, I'm having a problem with the coast spa I inherited when I bought my new house. The model No. is VEBC15 and was bought in 2004. Whats happening is the three warning lights on the topside panel keep coming on when the spa gets to or in the region of 30 - 37 degrees. the heater cuts out and the pump runs constantly on low speed, and the temp starts to drop.. I have changed the filters and emptied the tub and refilled it with clean water but the problem still occurs. Myself and my spa maintenance man are stumped. The pressure switch has also been checked and seems to be working fine with the tests we carried out. Has anyone any ideas. Quote Link to comment Share on other sites More sharing options...
n1oty Posted June 7, 2012 Report Share Posted June 7, 2012 I'm not there to check it myself, but it sounds like it is the high limit going off. John Quote Link to comment Share on other sites More sharing options...
steviea1966 Posted June 8, 2012 Author Report Share Posted June 8, 2012 Cheers John, How would we check this to eliminate it? Stephen. Quote Link to comment Share on other sites More sharing options...
Even Further Posted June 9, 2012 Report Share Posted June 9, 2012 Did you do a thourough visual inspection of the tub side circuit board? Look for burned components on the board. I have an older coast 2001 w/ Gecko pack, a relay burned up, crippled the board and the spa was acting up. I replaced the entire lower tub side controls, the part cost $400 from a local spa repair/part supplier. Quote Link to comment Share on other sites More sharing options...
steviea1966 Posted June 11, 2012 Author Report Share Posted June 11, 2012 yes we have checked the board, its in very good condition for where the tub is situated. Quote Link to comment Share on other sites More sharing options...
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