Nilfisk
Accessory Power Circuit Overload
Vacuum shuts off when using motorized accessories but works with non-powered tools
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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 accessory motor (mini turbo tool, etc.), Damaged accessory wiring, Overloaded accessory due to blockage, Faulty accessory power output on main PCB
How to Fix / Troubleshooting
Safety: Remove the battery and detach all accessories.
- Test base unit: Run the vacuum with no powered accessories attached. If it runs normally, the fault is in an accessory or accessory circuit.
- Test each accessory: Attach one powered tool at a time and run briefly. If the unit shuts off with a specific tool, that tool is likely faulty.
- Inspect accessory: Check for blockages and clear debris from the mini motorized head or other powered tools.
- Replace faulty accessory: If the accessory still causes shutdown, replace it. If all accessories cause shutdown, the main PCB accessory output may be damaged and needs service.
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Repair Difficulty
Medium
3/5
Required Part
Mini Motorized Tool
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