katt505 Posted December 17, 2015 Report Share Posted December 17, 2015 I have a balboa EL2001M3 controller, and the bot tub will not heat. No error codes on startup, and the heater indicator on the control panel shows that it is heating. Checked incoming voltage at controller, 245 volts. Checked voltage at heater element leads, 000 volts. Resistance at heater leads with power off reads .009 ohms, within tolerance for a 5.5kw heater. Circulation pump appears to be running normally, good flow, both jet pumps come on and function normally. Not sure what to check next. Entire circuit board was replaced about four years ago by hot tub supplier that built the hot tub, everything has been fine since then. Any help would be greatly appreciated! Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted December 18, 2015 Report Share Posted December 18, 2015 If the heat light is on, but 240 in not present at the element, the board needs repair or replacement. Quote Link to comment Share on other sites More sharing options...
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