village spa guy Posted October 15, 2015 Report Share Posted October 15, 2015 I have a 2005 Hotspring Grandee Model G . I have just serviced the spa replacing the filters ( tri-x) with new ones. Before draining the spa the green light was blinking on the front exterior panel and the water was not coming up to temperature, and so I thought it might be water flow restriction-- although the circ. pump works fine as does the ozone unit. When I turned the spa back on the green light would not light at all, and the no fault heater still would not work. I tested the power feed to the heater relay board and it was receiving electricity fine. Before I order a replacement heater, can anyone tell me if this symptom means something else is broken- like the heater relay board ..etc.? Something else I can test. I did test the heater with an ohm meter and it seemed ok, but I have little experience with this. Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted October 16, 2015 Report Share Posted October 16, 2015 Test power to the heater before ordering the heater. Ifit isn't getting power, a new heater won't solve anything. Is the, "heater on" led lit on the IQ2020? Quote Link to comment Share on other sites More sharing options...
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