PatriciaH Posted January 16, 2016 Report Share Posted January 16, 2016 I have flushed spa and changed the high limit temp control it is circulating and heating but red light still flashing not up to temp Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted January 16, 2016 Report Share Posted January 16, 2016 What is the serail number number of your spa? The red power light can flash for other reasons than the heater high limit, but in order to troubleshoot, we need to know the year it was manufactured Quote Link to comment Share on other sites More sharing options...
PatriciaH Posted January 24, 2016 Author Report Share Posted January 24, 2016 It's a 1995 hot spring Quote Link to comment Share on other sites More sharing options...
PreservedSwine Posted January 25, 2016 Report Share Posted January 25, 2016 1st guess is the heater high limit PCB, but it you should have a pro take a look. If the circ pump flow is good, and you have a new hi limit thermistor in already, you've thrown enough money at it guessing. The next parts start getting expensive, and you don't want to guess wrong. Quote Link to comment Share on other sites More sharing options...
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