Immergas Earth Leakage / Electrical Insulation Fault

Water heater trips the household RCD (residual current device) or GFCI when it starts.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Moisture on electrical components, Faulty pump or fan motor insulation, Damaged wiring harness, Faulty control board

Safety: Do not repeatedly reset an RCD that trips; this indicates a potentially dangerous fault.

Inspect for leaks: Look for water leaks dripping onto electrical parts and repair leaks first.
Dry components: Allow the unit to dry completely if it has been exposed to moisture.
Professional insulation testing: A technician should perform insulation resistance tests on the pump, fan, and wiring to locate the fault.

Warning: Electrical leakage can cause electric shock; only qualified personnel should perform detailed diagnostics.

Professional Required 5/5

Circulation Pump

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