GB
Troubleshooting
Problem
No function when On/Off Switch
(1) is operated
Motor turns when On/Off Switch
(1) is operated, but grinding
wheel does not spin
Motor switches off whilst in use
Tip of drill bit turns blue during
sharpening
One cutting edge is longer than
the other, and the point is not
centred
Unsatisfactory sharpening result
8
Possible cause
No power
Defective On/Off Switch
Motor defective
Grinding wheel fitted incorrectly
Spindle or motor defective
Duty cycle exceeded. Thermal cut-out device in
operation to protect the motor
Overheating
Uneven sharpening
Grinding wheel worn
Drill bit type or material unsuitable for sharpening
with this device
Solution
Check power supply
Have the On/Off Switch replaced by an authorised Silverline service
centre
Return the tool to an authorised Silverline service centre for repair
Refer to 'Replacing the grinding wheel'
Return the tool to an authorised Silverline service centre for repair
Turn off the tool and allow to fully cool. Follow instructions in 'Duty
Cycle'
Reduce the amount of pressure and sharpening time
Cool bit in water between sharpening. Before continuing,
Make sure bit is completely dry.
To fix an unevenly sharpened bit, reinsert and sharpen the shorter side
for a little longer
To prevent this from happening sharpen both sides for the same
amount of time, applying the same amount of downward pressure
whilst sharpening
Replace grinding wheel
Use alternative sharpening methods