Troubleshooting - GMC GCHD12 Manuel D'instructions

Troubleshooting

Problem
Red and green LEDs do not illuminate to indicate
the battery is correctly charging
Battery pack has low capacity
Drill cannot be switched on (Trigger Switch (7) does
not move)
Drill does not start when Trigger Switch is depressed
Screws do not reach deep enough into the
workpiece
Screws are driven too deep into the workpiece
surface
Possible cause
Battery not correctly connected to charger
Charger not powered
Battery not being fully charged
Battery pack has been charged over 100 times and
capacity has started to reduce
The Forward/Reverse Switch may be in the middle
('locked') position
Battery completely discharged
Defective battery
Tool defective
Not enough torque; torque clutch setting too low
Low battery voltage
Too much torque; torque clutch setting too high
13
Solution
Clean battery socket of charger and battery
contacts and fully slide on to charger so it clicks in
a locked position
Recheck mains connection
Do not remove battery until a full charge is indicated
This is normal for battery packs. Contact your GMC
dealer to purchase a replacement battery pack
Slide the Forward/Reverse Switch either to the left
or right
Recharge battery or replace with a fully charged
battery
Replace battery
Contact your GMC dealer or authorised service
centre
Choose a higher torque setting
Recharge battery or replace with a fully charged
battery
Choose a lower torque setting
GB