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Troubleshooting
Problem
Drill is uncomfortable to use due to vibration
Tool will not start
Slow rotation speed
Slow rotation speed or no rotation plus possible visible sparking
from motor vents
Vibration or abnormal noise
Chisel mode not breaking material
Chisel tip is rotating
Drilling performance poor with masonry
Bits do not fit easily into SDS Plus Chuck (1)
Cause
Tool is being used for too long at one time
No power, fuse blown or circuit breaker tripped
Power cable damaged
ON/OFF Trigger switch faulty
Faulty motor
Tool is overheating
Carbon brushes worn
Gearbox low on grease
Internal moving parts excessively worn
Material too dense or thick
Chisel tip worn
Tool incorrectly set
Hammer mode not selected
Drill bit tip worn or damaged
Very dense material
Debris and dirt getting into chuck
850W SDS Plus Hammer Drill
Solution
Take frequent breaks and read the sections in this manual
regarding vibration
Check and replace fuse if necessary or reset circuit breaker. In
the event the fuse blows after replacing or the circuit breaker
trips again, immediately contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Contact an authorised service centre
Switch off the tool and let it cool down to room temperature.
Inspect and clean the ventilation slots.
Contact an authorised service centre to have the carbon
brushes replaced
Add or replace grease
Contact an authorised service centre
Drill not suitable for material or thickness
Replace chisel
Select roto-stop mode
Enable hammer mode
Replace SDS Plus drill bit
Drilling speed will be slow in such material. A smaller pilot drill
can be drilled first to speed up the drilling process.
Clean out by positioning chuck downwards and vacuuming
while operating the chuck as if to insert bits. Ensure dust guard
is used to prevent debris entering chuck.
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