EN
Bona Edge UX
21
Troubleshooting
PROBLEM
CAUSE
SOLUTION
Motor does not start
No power supply voltage
Check power supply or try on a different job-site
Unstable connections
They must be checked and arranged (contact an authori-
zed Bona dealer)
Faulty switch
It must be replaced (contact an authorized Bona dealer)
Burnt rotor
It must be replaced (contact an authorized Bona dealer)
Faulty motor
It must be replaced (contact an authorized Bona dealer)
Insufficient motor speed
Excessive cable length or unsuitable cross
section
Change it
Unstable connections
They must be checked and arrangged (contact an autho-
rized Bona dealer)
Worn-out carbon brushes
Replace them
Burnt rotor
It must be replaced (contact an authorized Bona dealer)
Faulty motor
It must be replaced (contact an authorized Bona dealer)
Insufficient cutting
Unsuitable or worn abrasive
Replace the abrasive
Worn-out driving belt or pulleys or bearings
Replace them (contact an authorized Bona dealer)
The Velcro backing disc wears-out
too quickly
Pressing on the arm while sanding
Avoid exerting excessive pressure: the plate overheats
causing premature consumption
Scratched work surface
Faulty abrasive
Replace the abrasive
Disc surface dirty, faulty or worn
Clean or replace the disc
Incorrect wheels adjustment
Correct the wheels position
Worn-out driving belt or pulleys or bearings
Replace them (contact an authorized Bona dealer)
Scorching on work surface
Worn or abrasive too fine
Replace the abrasive
Excessive pressure on the disc
Check and adjust the wheels position / Don’t press on
the arm while working
Insufficient dust collection
Dust bag more than 1/3 full
Empty the bag
Dust bag dirty or with blocked pores
Shake out the dirt and wash the bag
Vacuum ducts and/or pipes obstructed
Clean air ducts
Worn-out bearings or suction fan
They must be replaced (contact an authorized Bona
dealer)
Hour Meter Display Notices
ANZEIGE
MÖGLICHE URSACHE
ERR 100
The current absorption is too high (Rotor block intervention)
ERR 200
The machine is too inclinated (Inclination sensor intervention)
ERR 300
Accelerometer hardware error
PRESS LEVER
If press the contact switch before to press one of the red levers