Beko
Overheating / Electrical Insulation Breakdown
Cordless vacuum emits a burning or hot electrical smell during or after use, with or without reduced performance.
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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
Motor overheating due to blocked airflow, Failing motor windings, Overloaded brushroll motor, Melted wiring insulation near high-current components
How to Fix / Troubleshooting
Safety first: Immediately switch OFF the vacuum, remove the battery, and allow the unit to cool. Do not continue using it until the cause is identified.
- 1. Check for blockages: Ensure all filters, the bin, wand, and nozzle are clear to prevent motor overload.
- 2. Inspect brush head: Remove the motorised head and check for jammed brushroll or melted plastic near the brush motor.
- 3. Visual inspection inside: Open the main body and look for discoloured, melted, or burnt wiring and connectors around the motor and PCB.
- 4. Smell localisation: Carefully smell near the motor, PCB, and brush head (with battery removed). Identify which component is producing the odour.
- 5. Replace damaged parts: Any component showing signs of burning (motor, brush head, wiring harness, PCB) should be replaced. Do not attempt to repair burnt insulation or windings.
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Repair Difficulty
Hard
4/5
Required Part
Main Suction Motor Assembly
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