Biasi Overheating / Electrical Overload

Water heater emits a burning smell or signs of overheating plastic components.

Advertisements

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.

Advertisements

Possible Causes

Blocked ventilation, Fan failure, Loose electrical connections causing arcing, Pump seizure

How to Fix / Troubleshooting

Safety: Immediately turn off power and gas. Do not continue to operate the heater if you smell burning or see smoke.

Steps:

  • Allow to cool: Wait until the unit is completely cool before removing the cover.
  • Inspect visually: Look for discoloured or melted wiring, connectors, or plastic parts. Do not touch damaged components.
  • Check ventilation: Ensure that ventilation grills and clearances around the heater are not blocked by objects or dust.

Important: Any signs of burning or melted components require immediate inspection and repair by a qualified technician. Do not attempt to repair burnt wiring yourself.

Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Internal Wiring Harness or Fan
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements