Troubleshooting - GMC GMCSDS18 Manual

Troubleshooting

Problem
Red LED (17) does not illuminate and battery not charging
Battery pack has low capacity
GB
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
Drilling performance poor with masonry
Bits not fitting easily into SDS Plus Chuck (11)
Possible cause
Battery not correctly inserted
Charger not powered
Battery not being fully charged
Battery pack has been charged over 100 times and capacity has
started to reduce
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
Trigger switch faulty
Faulty motor
Tool is overheating
Internal moving parts excessively worn
Hammer mode not selected
Drill bit tip worn or damaged
Very dense material
Debris and dirt getting into chuck
10
Solution
Clean battery socket of charger
Recheck mains connection
Charge the Battery until the Battery Charge Indicator (9) shows a
full charge
This is normal for battery packs. Contact your GMC dealer to purchase a
replacement battery pack
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
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
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.