Boiler emits a burning smell or signs of overheating from the casing.
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
How to Fix / Troubleshooting
Safety: Immediately switch off the boiler at the mains if you smell burning or see smoke. Do not attempt to restart until inspected.
User checks:
- Ensure ventilation grills around the boiler are not blocked.
- Do not remove the case; call a qualified engineer.
Engineer checks:
- Inspect the PCB, pump, fan and wiring for signs of overheating or burning.
- Tighten any loose terminal screws and replace damaged cables.
- Replace any components showing heat damage with EHC-approved parts.
Do not operate the boiler until the source of overheating has been fully rectified.
Repair Difficulty
Required Part
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