Error Code
FLO Spa Error — What It Means and How to Fix It
FLO means your spa flow switch is not detecting adequate water movement. Check your filter first, then inspect the flow switch and circulation pump.
See this code on: Balboa HFL · Balboa LF · Gecko FLO · Gecko LF · Hot Spring / Watkins FL2 · Jacuzzi FLO
Recommended guide: How to test a spa flow switch — read the full guide →
How to diagnose FLO
- Clean or replace the filter cartridge and remove any air lock.
- Verify the circulation pump runs when heat is called for.
- Disconnect and test the flow switch with a multimeter while the pump runs.
- Replace the flow switch or circulation pump based on test results.
Parts that fix FLO
Frequently asked questions
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