Trouble or fault
4 LEDs blink.
Reduced suction perfor-
mance.
Slight electric shocks
are felt.
9
Disposal
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.
Battery disposal
Improper disposal of batteries can result in health hazards from leaking gases or fluids.
▶ 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.
▶ 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.
10
English
Printed: 02.08.2019 | Doc-Nr: PUB / 5397531 / 000 / 04
Possible cause
The motor has overheated.
The waste material container
is full.
The suction hose or nozzle is
blocked.
The filter is clogged.
The suction hose or nozzle is
damaged.
The suction hose is not en-
gaged.
Electrostatic discharge.
Action to be taken
▶ Switch the appliance off.
▶ Wait 10 minutes.
▶ Remove the blockage or
clean the filter, intake con-
nector, hose or exhaust
air filter.
▶ Switch the appliance on.
▶ Empty the waste material
container.
▶ Clean the suction hose
and nozzle.
▶ Clean the filter. → page 8
▶ Change the filter.
→ page 9
▶ Check that the filter is
seated correctly.
▶ Replace the suction hose
or nozzle.
▶ Connect/disconnect the
suction hose. → page 7
▶ Increase the air humidity.
▶ Operate the vacuum
cleaner in ECO mode.
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