Jimmy
Electrical Arcing in Motor or Connections
Vacuum runs but there is a noticeable spark or flicker visible through vents
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
Worn motor commutator/brushes (on brushed motors), Loose high-current connector, Carbon buildup inside motor, Liquid ingress causing short
How to Fix / Troubleshooting
Safety first: Immediately turn OFF the vacuum, remove the battery, and do not continue to operate it. Risk of fire or electric shock.
- Step 1 – Inspect for liquid damage: If the vacuum was exposed to water, do not power it on again. Seek professional service.
- Step 2 – Internal inspection (advanced): Open the body and inspect high-current connectors for signs of arcing or burn marks.
- Step 3 – Motor replacement: If arcing is coming from the motor area, replace the main motor assembly.
- Step 4 – Professional service: Due to safety concerns, this fault should generally be handled by a qualified technician.
Advertisements
Repair Difficulty
Professional Required
5/5
Required Part
Main Motor Assembly
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements