Boiler diagnostics

Accurate diagnosis — the first step to the right repair

Boiler diagnostics

If you notice a strange noise, an error code or anything unusual in the way your boiler works, the first and most important step is a professional diagnosis. Boiler diagnostics is much more than a quick look at the unit — it is a detailed check of the electronic and mechanical components with specialist equipment. A wrong diagnosis often leads to parts being replaced unnecessarily and extra costs for the customer.

Our diagnostic process at KombiMaster covers:

  • Electronics check: Testing the main control board (the boiler’s “brain”) and sensors, and accurately interpreting any error codes on the display.
  • Mechanical inspection: Testing how moving and mechanical parts respond — the pump, fan, gas valve and diverter valve.
  • Physical inspection: Identifying water leaks, any suspicion of a gas leak and safety risks in electrical connections.

The diagnosis reveals the real cause of the fault, and you get clear, upfront information about the possible solutions and expected costs. Our aim is to fix the problem at its root and make sure the repair lasts.

Leave your heating in expert hands!

A boiler that isn’t running efficiently costs you comfort and pushes up your gas bills. The KombiMaster team is ready to fix it on the spot.

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