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10
GB
Problem
Possible cause
Solution
Red LED (17) does not illuminate and battery not charging
Battery not correctly inserted
Clean battery socket of charger
Charger not powered
Recheck mains connection
Battery pack has low capacity
Battery not being fully charged
Charge the Battery until the Battery Charge Indicator (9) shows a
full charge
Battery pack has been charged over 100 times and capacity has
started to reduce
This is normal for battery packs. Contact your GMC dealer to purchase a
replacement battery pack
While core drilling, the core drill has locked/jammed in the material
Excessive pressure on tool at the point of breakthrough in the material
Reduce pressure before breakthrough
Hammer mode is on
Ensure hammer mode is off to prevent damage to cutting teeth and
reduce possibility of jamming
Core drill is not suitable for drill
Ensure the core drill max speed and diameter are compatible with
the drill
Large build-up of debris inside core drill while operating
Regularly empty this build-up of debris to ensure safe operation
Drill is uncomfortable to use due to vibration
Tool is being used for too long
Take frequent breaks and read the sections in this manual regarding
vibration
Tool will not start
Trigger switch faulty
Contact an authorised service centre
Faulty motor
Contact an authorised service centre
Slow rotation speed
Tool is overheating
Switch off the tool and let it cool down to room temperature. Inspect
and clean the ventilation slots
Internal moving parts excessively worn
Contact an authorised service centre
Drilling performance poor with masonry
Hammer mode not selected
Enable hammer mode
Drill bit tip worn or damaged
Replace SDS Plus drill bit
Very dense material
Drilling speed will be slow in such material. A smaller pilot drill can be
drilled first to speed up the drilling process
Bits not fitting easily into SDS Plus Chuck (11)
Debris and dirt getting into chuck
Clean out chuck by facing downwards and vacuuming while operating
the chuck as if to insert bits.
Troubleshooting
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Содержание GMCSDS18
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