Troubleshooting - 3TECH TR-720L Manual De Usuario

Troubleshooting

Trouble
Loud noise, low rotation speed, cutting force
decrease or hand-piece failing to run
Hand-piece failing to spray mist
Hand-piece water leakage
Normal noise but low rotation speed
Bur drop-off or fail to engage bur
Bur wobbling, low cutting force
Our service centre can off er technical assistance to you.
Possible cause
Ball bearing damages
Spray hole blockage
O-ring or sealing washer aged
Low air pressure
Non-standard bur or chucking system damages
O-ring or ball bearing damages
Solution
Replace ball bearing
Clean with probe
Replace aged parts
Adjust air pressure
Replace new bur or send it to maintenance centre
Replace spare parts
25