Use and Care Manual

9
Trouble or fault Possible cause Action to be taken
The power tool doesn’t work
and all four LEDs blink.
The power tool has been over-
loaded briefly.
▶ Release the control switch and
then press it again.
The overheating cut-out has been
activated.
▶ Allow the power tool to cool
down. Clean the air vents.
The power tool doesn’t work
and one LED blinks.
Low battery. ▶ Change the battery and charge
the empty battery.
The battery is too hot or too cold. ▶ Bring the battery to the recom-
mended operating temperature.
The on/off button cannot be
pressed, i.e. the button is
locked.
The forward/reverse selector
switch is in the middle position.
▶
Push the forward/reverse switch
to the left or right.
The battery runs down more
quickly than usual.
Very low ambient temperature. ▶ Allow the battery to warm up
slowly to room temperature.
The battery doesn’t engage
with an audible double click.
The retaining lugs on the battery
are dirty.
▶ Clean the retaining lugs and
push the battery in until it
engages. Contact Hilti Service
if the problem persists.
The power tool or battery
gets very hot.
The tool is overloaded (application
limits exceeded).
▶ Pay attention to the power
and performance rating of the
product before using it, i.e
check its suitability for the job
on hand. See “Technical data”
section.
8 Disposal
WARNING
Risk of injury. Hazards presented by improper disposal.
▶ Improper disposal of the equipment may have the following consequences: The burning of plastic
components generates toxic fumes which may present a health hazard. Batteries may explode
if damaged or exposed to very high temperatures, causing poisoning, burns, acid burns or
environmental pollution. Careless disposal may permit unauthorized and improper use of the
equipment. This may result in serious personal injury, injury to third parties and pollution of the
environment.
▶ Dispose of defective batteries right away. Keep them out of reach of children. Do not disassemble
or incinerate the batteries.
▶ Batteries that have reached the end of their life must be disposed of in accordance with national
regulations or returned to Hilti.
Most of the materials from which Hilti tools and appliances 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 representative
for further information.
9 Manufacturer’s warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
Printed: 06.11.2015 | Doc-Nr: PUB / 5255075 / 000 / 00