geo1111 Posted December 14, 2015 Report Share Posted December 14, 2015 I have a 2001 Hot Springs Grandee and replaced the heater relay board in it with the updated 77119 board in August when the tub stopped heating. The tub then heated fine until October when the board failed again (the red LED on the heater board was blinking rapidly and GFCI resets did not reset it). I replaced the board again in October and it worked fine until now (December) when it has failed again (heater board red LED blinking rapidly). That's an average of 2 months per board. The circulation is good, filters are clean, water is good, etc... Is there an issue with these boards or is this an indication of another problem? Thanks for any suggestions! Quote Link to comment Share on other sites More sharing options...
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