What It Means
BioShield UV Lamp Not On
Likely Causes
- Lamp expired
- Ballast failed
- Safety interlock open
- No flow or controller disabled
Next Checks
- Verify power and interlock before opening housing
- Replace lamp and clean sleeve on schedule
- Check ballast output only with proper electrical safety
- Confirm flow interlock is closed when pump runs
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 Pentair 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.