What It Means
Water Temperature Low / Low Ambient
Likely Causes
- Ambient temperature too low for safe operation
- Water temp below 40°F operating floor
- Sensor reading error
Next Checks
- Wait for ambient temp to rise above 40°F
- Check sensor wiring if temp is normal but code persists
- For heat pumps: normal if ambient is below 50°F
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.