What It Means
Ignition Failure
Likely Causes
- No gas supply
- Gas valve not opening
- Faulty hot surface igniter (HSI)
- Dirty or failed flame sensor
- Low gas pressure
Next Checks
- Check gas shutoff valve is open
- Verify gas pressure (3.5" WC natural, 10" LP at manifold)
- Inspect HSI element — should glow orange, replace if cracked
- Clean flame rod with emery cloth
- Check for multiple ignition lockout (will require manual reset)
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.