Spare Parts; Troubleshooting - Kunzle & Tasin Bona Belt UX Manuel D'utilisation Et De Maintenance

Spare Parts

Always use Bona ® spare parts.
Failure to use Bona ® spare parts, or repairs/adjustments carried out by unauthorized personnel, will invalidate the guarantee and
any resulting liability.
The machine must only be repaired by qualified personnel.
This electric equipment is compliant with the relevant safety legislation. Repairs must be carried out by qualified personnel using
Bona ® spare parts, otherwise the user may suffer serious injury.

Troubleshooting

PROBLEM CAUSES
No power supply voltage
Insufficient voltage for unstable connections
Faulty thermal switch
Motor does not start
Faulty switch
Faulty capacitors
Faulty motor
Excessive cable length or unsuitable
cross section
Unstable connections
Insufficient motor speed
Driving belts at a wrong tension
Faulty capacitors
Faulty motor
Excessive cable length or unsuitable
cross section
Unstable connections
Driving belts too tightened
The drum speed is not enough
Worn-out bearings
Faulty capacitors
Faulty motor
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Bona Belt UX Manual
SOLUTIONS
Check power supply or try on a different job-site
Contact an authorized Bona dealer
Contact an authorized Bona dealer
Contact an authorized Bona dealer
Contact an authorized Bona dealer
Contact an authorized Bona dealer
Use cables of suitable length and cross section
Contact an authorized Bona dealer
Set them at a right tension value
Replace them
Contact an authorized Bona dealer
Use cables of suitable length and cross section
Contact an authorized Bona dealer
Set them at a right tension value
Contact an authorized Bona dealer
Replace them
Contact an authorized Bona dealer
Troubleshooting (Cont.)
PROBLEM CAUSES
Wrong or unstable power supply
Excessive cable length or unsuitable
cross section
Too much weight on the machine
The thermal protection inter-
Dirty motor
venes too much frequently
The fan is not turning properly
Faulty thermal switch
Faulty motor
Release pin and spring not enough lubricated or
damaged
The drum release lever is too
hard or doesn't stop at the high Lever sector plate or lever stop pin dirty, not
position
enough lubricated, damaged, worn-out or
broken
Wheels joint, between the two parts of
The drum doesn't come off
the drum lifting rod, not properly adjusted
enough from the floor
Dust is locking the wheels support
Tensioner not properly adjusted
The abrasive belt
doesn't stay in its Spring of the tensioner not working properly
position
Excessively or irregularly worn tensioner
Worn-out or unsuitable abrasive
Drum pressure is not enough
Dust prevents adjusting the drum pressure
The abrasive doesn't
Driving belts at a wrong tension
sand enough or its
Tensioner dirty or too worn-out
speed is not enough
Worn-out driving belts or pulleys or bearings
Faulty abrasive belt
Not correct wheels position
Bearings, pulleys or shafts dirty or faulty
The floor surface is not
regularly sanded
Driving belts and wheels dirty, badly adjusted or
faulty
Drum surface dirty or faulty
Worn-out or unsuitable abrasive
The floor surface turns
scorching
Excessive pressure on drum
Dust bag more than 1/3 full
Dust bag dirty or with blocked pores
Insufficient dust collection
Vacuum ducts and/or obstructed pipes
Suction bearings and shaft in bad conditions
Bona Belt UX Manual
SOLUTIONS
Try the machine on a different job-site
Use cables of suitable length and cross section
Remove any possible additional weight on the machine
Check if the motor is well clean and remove all
the possible dirt
Check if the fan is well screwed or contact an authorized
Bona dealer for fan bearings replacement
Contact an authorized Bona dealer
Contact an authorized Bona dealer
Lubricate them or contact an authorized Bona dealer for
replacement
Clean or lubricate them, or contact an authorized Bona
dealer for replacement
Adjust it at the right position
Clean it
Adjust it (check the alignment with the rubber drum)
Contact an authorized Bona dealer
Contact an authorized Bona dealer for replacement
Replace it
Increase the drum pressure
Remove the dust
Set them at a right one
Clean it or contact an authorized Bona dealer for
replacement
Replace the driving belts or contact an authorized Bona
dealer for replacement of pulleys and bearings
Change it
Adjust the wheels at a right position
Clean or contact an authorized Bona dealer for
replacement
Clean, adjust or replace them
Clean, correct or replace the rubber-coated drum
Replace the abrasive
Decrease sanding pressure
Empty the bag
Shake out the dirt and wash the bag
Clean air ducts
Contact an authorized Bona dealer
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