What It Means
Sensor Failure
Likely Causes
- Temperature sensor (thermistor) failed open or short
- Damaged sensor wiring
- Moisture in control panel
Next Checks
- Check thermistor resistance — should be ~10kΩ at 25°C (77°F)
- Inspect wiring harness for pinch or corrosion
- Replace thermistor if out of spec
- Check for moisture ingress in control compartment
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 Pentair 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.