What It Means
Ozone Check Valve / Water Backflow
Likely Causes
- Check valve failed
- Injector vacuum weak
- Tubing routed below water level
- Pump off siphon condition
Next Checks
- Replace check valve immediately if water is in ozone tubing
- Verify injector vacuum when pump runs
- Route tubing per manual with high loop where required
- Inspect ozone module for water damage before restarting
Verify Before Repair
SplashLens is a field reference, not a repair guarantee. Confirm the visible code, exact model, and current manufacturer procedure before replacing parts, bypassing safeties, or quoting a customer.
SplashLens is independent and is not affiliated with UV / Ozone / AOP / Feeders or other equipment manufacturers.
Use SplashLens At The Pad
Manual error-code lookup works after the app has loaded once. AI scan features require internet and should be treated as a second set of eyes.