matt481vs Posted September 29, 2018 Report Share Posted September 29, 2018 2007 hot spring grande I have been experiencing a flashing red light with my hot tub for awhile. Recently, I cleared an obstruction with the ozonenator, which I thought could be the problem, as the drain was not bubbling. Drain bubbles great now. Also have brand new filters installed. After those two things, we used the hot tub a few times with no flashing light for several days, but now it's flashing again. Not sure what to check or replace next. Thanks in advance for any help. Quote Link to comment Share on other sites More sharing options...
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