Bona MiniEdge
Trouble shooting
Fault
Cause
Action
The machine doesn’t start
No power.
Change to another wall socket.
Cable broken.
Change the cable.
Rotation of the disc is impossible
Rotate the sanding disc, remove
possible blockages.
Check that the ventilator runs
smoothly.
Adjust the ventilator.
The sanding disc doesn’t
rotate
The cogged belt is broken/worn
out.
Change the cogged belt.
The machine is faltering
The carbon brushes are worn
out.
Change the carbon brushes.
The carbon brackets are broken.
Change the carbon brushes.
The carbon brushes are binding.
Clean the carbon brush channel.
Big blue sparks in the motor
Short-circuit at the carbon
brushes.
Change the carbon brushes or
perhaps the armature.
The machine is vibrating
heavily
Off centre sanding disc.
Centre the disc.
Ventilator damaged.
Change ventilator.
Object stuck in the pulley.
Clean the pulley.
Uneven sanding
Badly adjusted wheels.
Adjust the wheels.
Unevenly worn wheels.
Change the wheels.
The wheels are binding.
Clean or change the wheels.
The sanding disc is loose.
Fix or adjust the disc.
Object between sanding disc and
plate.
Clean.
Binding sanding disc.
Change the velcro disc or tighten
the centre screw.
The lamp is not working
The lamp is damaged.
Change the lamp.
The lamp is loose.
Fix the lamp in the socket.
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