What It Means
Service Filter
Likely Causes
- Filter pressure too high (dirty filter)
- Pressure differential switch triggered
Next Checks
- Backwash sand/DE filter or clean cartridge
- Reset by cleaning filter — code clears automatically
- If code persists after cleaning, 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 Hayward 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.