QCA Spas
Ozone Generator Failure or No Ozone Flow
Ozonator is not running or no ozone bubbles are visible from the ozone jet.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed ozone generator, Cracked or clogged ozone check valve, Kinked ozone tubing, Ozone output disabled in control pack
How to Fix / Troubleshooting
Safety: Turn off power before working on ozone equipment.
- Check ozone schedule: Verify in the QCA Spas manual that ozone is enabled and runs during filtration cycles.
- Inspect tubing: Follow the clear ozone tubing from the ozonator to the injector. Replace any kinked or brittle tubing.
- Replace check valve: If the check valve is clogged or stuck, replace it with an ozone-rated check valve installed in the correct direction.
- Replace ozonator: If the generator is old (3–5+ years) or shows no output, replace it with a QCA-compatible ozone generator.
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Repair Difficulty
Medium
3/5
Required Part
Ozone Generator
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