SplashLens / Jandy / Zodiac / LXi / LRZ Gas Heater

Jandy / Zodiac E03: Pressure / Flow Switch Open

Jandy / Zodiac E03 reference for LXi / LRZ Gas Heater: likely causes, next checks, and manual-verification reminders for pool service techs.

Jandy / Zodiac LXi / LRZ Gas Heater HIGH

What It Means

Pressure / Flow Switch Open

Likely Causes

Next Checks

  1. Verify pump operation
  2. Open all valves
  3. Check filter pressure
  4. Test flow switch

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.