What It Means
Bad Air / Water Sensor Reading
Likely Causes
- 10k thermistor open or shorted
- Sensor in direct sun or bad location
- Cable damaged by rodents or landscape work
- Wrong sensor assigned in automation
Next Checks
- Compare displayed temperature to a known thermometer
- Inspect sensor cable and connector for breaks/corrosion
- Test resistance against 10k thermistor table at current temperature
- Relocate air sensor to shaded ventilated location if readings swing high
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.