Kim Hooge Posted October 2, 2021 Report Share Posted October 2, 2021 We have a Great Lakes hot tub that was made in the early 2000s. It has a three button control panel: temp with up and down buttons, light, and jets. We seemed to have accidentally changed the filter cycle to continuous and now cannot figure out how to change it again to go every 8 hours instead. Can anyone tell me what combination of buttons to push to change the filter cycle? Quote Link to comment Share on other sites More sharing options...
ratchett Posted October 3, 2021 Report Share Posted October 3, 2021 Pretty sure you need to press the heat button (temp up) and then immediately press the jets button (quickly, don't give the display a chance to even blink). From there you should see likely "FC" on the display - that means filter continuously. Press the jets button to change the cycle (FC, F2 for every 2 hours, F4 for 4 hours, F6, F8) then press the heat button to exit. 1 Quote Link to comment Share on other sites More sharing options...
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