What Does This Error Mean?

Pool equipment tripping a GFCI breaker means a ground fault is present — electricity is leaking from a component to the ground. Never bypass the GFCI. Isolate the fault by disconnecting one device at a time — the item that stops the tripping when unplugged is the faulty component.

Affected Models

Jandy JXi Heater
Jandy VS FloPro Pump
Zodiac AquaPure Salt System
Jandy AquaLink RS
All Jandy/Zodiac pool equipment

Common Causes

Water ingress into the heater element or its wiring conduit
Degraded insulation on pump motor windings causing leakage current
Salt cell cracked or water contacting cell wiring
Corroded or bare wiring at the equipment pad junction box
GFCI breaker itself aging and tripping at lower leakage thresholds than rated

How to Fix It

Do not bypass the GFCI.

The GFCI is protecting against an electrical fault that could be fatal in a pool setting. Never replace the GFCI with a standard breaker or tape the reset button. Identify and fix the fault before restoring power.
Isolate the fault by disconnecting devices one at a time.

Turn off the main breaker to the equipment pad. Disconnect one device (heater, pump, salt cell, light) at a time from its power source. After each disconnection, reset the GFCI and apply power. When the GFCI stops tripping after a specific device is disconnected, that device has the fault.
Inspect wiring at the equipment pad for moisture.

Corrosion or moisture in the conduit where wiring enters the equipment pad junction box is a common source. Look for green corrosion on wire ends, condensation inside conduit entry points, or standing water in the junction box.
Check the heater element.

Jandy JXi and LXi heaters with cracked heat exchangers can allow water to contact energised components. If the GFCI trips when the heater is the only device connected, have the heat exchanger and wiring harness inspected by a pool technician.
Test or replace the GFCI breaker itself.

GFCI breakers have a service life and become more sensitive as they age. If all devices test clean individually but the system still trips, the GFCI breaker itself may be faulty. A licensed electrician can test the leakage threshold and replace the breaker if needed.

When to Call a Professional

IMPORTANT: GFCI trips on pool equipment indicate a real electrical fault in a wet environment. If you cannot identify and fix the source yourself, hire a licensed pool electrician — do not continue operating equipment that trips the GFCI.