Troubleshooting - GMC GSDS1800 Manual

Troubleshooting

Problem
While core drilling the core drill has locked/jammed in the material
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
Chisel mode not breaking material
Drilling performance poor with masonry
Bits not fitting easily into SDS Plus Chuck (1)
Possible cause
Excessive pressure on tool at the point of breakthrough in the
material
Hammer mode is ON
Core drill is not suitable for drill
Large build-up of debris inside core drill while operating
Tool is being used for too long
No power, fuse blown, or circuit breaker tripped
Power cable damaged
ON/OFF Trigger Switch faulty
Faulty motor
Tool is overheating
Carbon brushes worn
Internal moving parts excessively worn
Material too dense or thick
Chisel tip worn
Hammer mode not selected
Drill bit tip worn or damaged
Very dense material
Debris and dirt getting into Chuck
9
Solution
Reduce pressure before breakthrough
Ensure hammer mode is OFF to prevent damage to cutting teeth and
reduce possibility of jamming
Ensure the core drill max speed and diameter are compatible with the drill
Regularly empty this build-up of debris to ensure safe operation
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 GMC service centre
Contact an authorised GMC service centre
Contact an authorised GMC service centre
Contact an authorised GMC service centre
Switch the tool OFF and let it cool down to room temperature. Inspect and
clean the ventilation slots
Contact an authorised GMC service centre to have the carbon brushes
replaced
Contact an authorised GMC service centre
Drill not suitable for material or thickness
Replace Chisel
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 Chuck by facing downwards and vacuuming while operating
the chuck as if to insert bits. Ensure dust guard is used to prevent debris
entering Chuck
GB