Frankinsc Posted July 16, 2017 Report Share Posted July 16, 2017 How do you clear the watchdog code (---) and other trouble codes from a 2004 sundance optima 850? Quote Link to comment Share on other sites More sharing options...
jeremyh Posted July 19, 2017 Report Share Posted July 19, 2017 ---- means spa water temp has exceeded112f or heater 118f. Most common problem is temp sensor, but a failure of circ/flow sw, or bad pcb could also be the problem. Quote Link to comment Share on other sites More sharing options...
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