What It Means
Water Temperature High
Likely Causes
- Pool water already at or above set point
- Thermostat overshot
- High ambient temperature affecting sensor reading
Next Checks
- Normal — heater shut off at target temp
- Lower set point if desired
- If temp is NOT actually high, check temperature sensor
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.