*2231427*
2231427 English 11
8.1 Troubleshooting
Trouble or fault Possible cause Action to be taken
The drill / driver does not
work.
The battery is not correctly in-
serted.
▶ Insert the battery. → page 7
Battery is discharged. ▶ Change the battery and charge
the empty battery.
All 4 LEDs flash.
The drill / driver does not
work.
The drill / driver was overloaded
briefly.
▶ Release the control switch and
then press it again.
Protection against overheating ▶ Wait until the drill / driver cools
down and then clean the air
vents.
1 LED flashes.
The drill / driver does not
work.
Battery is discharged. ▶ Change the battery and charge
the empty battery.
The battery is too cold. ▶ Bring the battery to the recom-
mended working temperature.
The battery is too hot. ▶ Bring the battery to the recom-
mended working temperature.
SF 6H-A22
Hammer-action drilling is not
possible.
The operating mode is not set cor-
rectly at the selector ring.
▶ Set the selector ring to the
“Hammer-action drilling” posi-
tion .
The control switch cannot be
pressed, or is stuck.
The forward/reverse selector
switch is in the middle position
(transport position).
▶ Set the forward/reverse selector
switch to forward or reverse ro-
tation, as applicable. → page 9
The drill / driver or the battery
gets very hot.
Electrical fault ▶ Switch the drill / driver off
immediately, remove the battery
and contact Hilti Service.
The drill / driver is overloaded (ap-
plication limit exceeded).
▶ Check the application.
9 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.
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