Idiomas disponibles
Idiomas disponibles
Trouble or fault
Reduced suction
performance.
LED shows, the vacu-
um cleaner switches off auto-
matically.
LED shows: The air
speed in the suction hose has
dropped below 20 m/s.
VC 4MX-22
VC 4HX-22
Acoustic warning (reduced
suction power)
Dust is blown out of the appli-
ance.
Slight electric shocks are felt.
10
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.
28
English
Possible cause
The suction hose or nozzle is
blocked.
The filter is clogged
The suction hose or nozzle is dam-
aged.
The suction hose is not engaged.
The waste material container is full. ▶ Empty the waste material
The dust bag is full.
The filter element is clogged with
dirt or dust.
The suction hose or dust hood on
the electric tool is blocked.
The hose diameter setting is incor-
rect.
The dust bag is full.
The filter element is clogged with
dirt or dust.
The suction hose or dust hood on
the electric tool is blocked.
The hose diameter setting is incor-
rect.
The filter element is not fitted cor-
rectly.
The filter element is damaged.
Electrostatic discharge.
Action to be taken
▶ Clean the suction hose and
nozzle.
▶ Bump-clean the filter.
→ page 25
▶ Change the filter element.
→ page 26
▶ Check that the filter is seated
correctly.
▶ Replace the suction hose or
nozzle.
▶ Connect/disconnect the suction
hose. → page 24
container.
▶ Change the dust bag.
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
▶ Clean the suction hose and the
dust hood.
▶ Set the hose diameter
→ page 24.
▶ Change the dust bag.
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
▶ Clean the suction hose and the
dust hood.
▶ Set the hose diameter
→ page 24.
▶ Correctly re-install the filter
element. → page 26
▶ Install a new filter element.
→ page 26
▶ Increase the air humidity.
▶ Operate the vacuum cleaner in
ECO mode.
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