SplashLens / Jandy / Zodiac / JXi Gas Heater

Jandy / Zodiac E03: Pressure / Flow Switch Fault

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

Jandy / Zodiac JXi Gas Heater HIGH

What It Means

Pressure / Flow Switch Fault

Likely Causes

Next Checks

  1. Confirm pump is running and primed
  2. Check skimmer water level
  3. Open all suction valves
  4. Clean pump basket and inspect impeller
  5. Test pressure switch — should close with adequate flow; replace if stuck open

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.