De Dietrich Electrical Short or Earth Leakage

Furnace causes frequent tripping of the household circuit breaker or RCD

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

Water leak onto De Dietrich electrical components, Shorted pump or fan motor, Damaged wiring harness, Faulty main PCB

Safety: Do not repeatedly reset a breaker that trips. Risk of fire or electric shock.

Steps:

Inspect for leaks: Look under and inside the boiler for signs of water. If present, keep power off and call a technician.
Isolate boiler: Turn off the boiler's dedicated breaker and see if the rest of the house circuits remain stable.

Professional help: A qualified electrician or boiler technician must locate the fault, dry or replace components, and test insulation resistance.

Professional Required 5/5