8.1
Troubleshooting
Trouble or fault
The drill / driver does not
work.
All 4 LEDs flash.
The drill / driver does not
work.
1 LED flashes.
The drill / driver does not
work.
SF 6H-A22
Hammer-action drilling is not
possible.
The control switch cannot be
pressed, or is stuck.
The drill / driver or the battery
gets very hot.
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Disposal
WARNING
Risk of injury due to incorrect disposal! Health hazards due to escaping gases or liquids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical tape) to prevent short circuiting.
▶ Dispose of your battery out of the reach of children.
▶ Dispose of the battery at your Hilti Store, or consult your local governmental garbage disposal or public
health and safety resources for disposal instructions.
Most of the materials from which Hilti products are manufactured can be recycled. The materials must be
correctly separated before they can be recycled. In many countries, your old tools, machines or appliances
can be returned to Hilti for recycling. Ask Hilti Service or your Hilti sales representative for further information.
▶ Do not dispose of power tools, electronic equipment or batteries as household waste!
10
Manufacturer's warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
*2231427*
Possible cause
The battery is not correctly in-
serted.
Battery is discharged.
The drill / driver was overloaded
briefly.
Protection against overheating
Battery is discharged.
The battery is too cold.
The battery is too hot.
The operating mode is not set cor-
rectly at the selector ring.
The forward/reverse selector
switch is in the middle position
(transport position).
Electrical fault
The drill / driver is overloaded (ap-
plication limit exceeded).
2231427
Action to be taken
▶ Insert the battery. → page 7
▶ Change the battery and charge
the empty battery.
▶ Release the control switch and
then press it again.
▶ Wait until the drill / driver cools
down and then clean the air
vents.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended working temperature.
▶ Bring the battery to the recom-
mended working temperature.
▶ Set the selector ring to the
"Hammer-action drilling" posi-
tion
.
▶ Set the forward/reverse selector
switch to forward or reverse ro-
tation, as applicable. → page 9
▶ Switch the drill / driver off
immediately, remove the battery
and contact Hilti Service.
▶ Check the application.
English
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