Liebherr Short Circuit or Earth Leakage

Cooktop trips the circuit breaker or RCD when turned on

Safety Warning

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

Shorted power module, Damaged wiring insulation, Moisture inside cooktop, Faulty terminal block connection

How to Fix / Troubleshooting

Safety first: Do not repeatedly reset the breaker. Leave the circuit off and do not use the cooktop until inspected.

User steps:

Note whether the breaker trips immediately or only when a specific zone is used; this information helps diagnosis.

Technician steps:

Insulation-test the appliance wiring and modules to identify earth leakage.
Inspect the terminal block and internal wiring for shorts to chassis.
Disconnect individual induction modules or gas ignition circuits to isolate the faulty component.
Replace the defective module or wiring harness.

Repair Difficulty

Professional Required 5/5

Required Part

Induction Power Module

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