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▶ Never store batteries in direct sunlight, on heating units or behind a window pane.
▶ Store the tool and batteries in a place where they cannot be accessed by children or unauthorized
persons.
▶ Check the tool and batteries for damage before use after long periods of storage.
8 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
8.1 Troubleshooting
Trouble or fault
An excessive amount of dust
is generated.
The drill bit is not centered in
the suction head.
9 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.
In accordance with the European Directive on waste electrical and electronic equipment and its implemen-
tation in conformance with national law, electric tools or appliances that have reached the end of their life
must be collected separately and returned to an environmentally compatible recycling facility.
▶ Disposal of electric tools or appliances together with household waste is not permissible.
10 Manufacturer's warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
12
English
Possible cause
The dust container is full.
The filter is defective.
The suction head is defective.
The suction head brush is worn.
The dust removal module is not
fitted correctly.
Action to be taken
▶ Empty the dust container.
▶ Replace the filter.
▶ Change the suction head.
▶ Change the suction head.
▶ Push the dust removal module
on to the tool until it engages.
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