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Length of time drill required to grind becomes excessive:
• Material take off too excessive
• Grinding wheel needs to be cleaned
• Grinding wheel needs to be replaced
• Grind material selection has been changed from HSS to CARBIDE
Unable to secure drill in or release drill from chuck:
• Solenoid not locking up
• Chuck spindle insert needs cleaned
• Drill is carbide and needs to be centered while closing the chuck
• Drill diameter too small to be clamped
• Drill has multiple diameters that are interfering with jaws
• Drill has a taper in the shank or on the body of the drill
During initialization chuck tries to rotate unsuccessfully while making a ratcheting/
buzzing noise:
• Solenoid has malfunctioned and chuck locking pin will not retract
• Solenoid fuse blown
• Drive pulley loose
• Belt condition
Unexplained motion
• Machine temperature is too cold/hot - do not operate until machine temperature reaches 7°C
(45°F) but not more than 32° C (90° F)
• Software issues – restore settings from permanent memory
Troubleshooting Vacuum:
• Excessive grinding dust visible.
• Vacuum not operational.
• Dirty lter.
• Hoses split.
• Hoses not connected.
• Filter top box or bottom not seated properly.
Vacuum not operational:
• Blown fuse
• Not plugged into sharpener
• Bad control circuit on power supply
• Vacuum motor burned out
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