What It Means
Sensor Error
Likely Causes
- Water temperature sensor failed open or shorted
- Wiring harness fault
Next Checks
- Test thermistor resistance (~10kΩ at 77°F)
- Inspect and re-seat wiring connector at control board
- Replace sensor if out of spec
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 Jandy / Zodiac 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.