What It Means
Service Filter
Likely Causes
- Filter differential pressure too high
- Dirty filter cartridge, sand, or DE grids
Next Checks
- Backwash sand or DE filter
- Clean cartridge filter
- Reset is automatic after filter service
- If code persists: check pressure switch calibration
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.