Vokera Electrical Overheating / Component Burnout

Water heater emits a burning smell or visible smoke from the casing

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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.

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Possible Causes

Shorted PCB component, Overheated wiring, Fan motor failure, Pump motor failure

How to Fix / Troubleshooting

Critical safety warning: Immediately turn off power at the mains and do not attempt to restart the appliance. If smoke is heavy or fire is suspected, evacuate and call emergency services.

User actions:

  • Do not remove the cover or touch the appliance until it has cooled.
  • Ventilate the area.

Engineer steps:

  • Inspect internal components for burn marks or melted insulation.
  • Test and replace any failed fan, pump, or PCB components.
  • Check for correct fuse ratings and wiring integrity.

The appliance must be fully inspected and tested by a qualified engineer before being returned to service.

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Repair Difficulty

Professional Required 5/5

Required Part

Main Control PCB
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