Use and Care Manual

English 13
▶ Remove the power conditioner (if applicable) or loose accessory tools from the holder.
▶ Empty the appliance before carrying it to another location.
▶ Do not tip the appliance or transport it lying on its side after using it to pick up liquids.
▶ Use the tapered adapter to connect both ends of the hose together conveniently for transport.
7.7 Storage
▶ Store the vacuum cleaner in a secure, dry place where it is inaccessible to unauthorized users.
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 Possible cause Action to be taken
No suction power or reduced
suction power.
The dust bag is full. ▶ Change the dust bag.
The filter element is clogged with
dirt or dust.
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
The suction hose or dust hood on
the electric tool is blocked.
▶ Clean the suction hose and the
dust hood.
Dust is blown out of the appli-
ance.
The filter element is not fitted cor-
rectly.
▶ Fit the filter element again
correctly.
The filter element is damaged. ▶ Fit a new filter element.
The appliance switches it-
self off or on inadvertently or
static electricity discharges
through the user.
Electrostatic charge is not
conducted away – the
appliance is connected to an
unearthed/ungrounded power
outlet.
▶ Connect the appliance to an
earthed/grounded power outlet
and use an antistatic suction
hose.
The appliance doesn’t start or
switches itself off after a short
time.
The water level cut-out is acti-
vated.
▶ Clean the sensors and the
area around the sensors with a
brush.
The motor doesn’t restart. The mains circuit breaker has been
tripped.
▶ Reset the circuit breaker.
▶ Find the reason for the overload
current if the circuit breaker
trips again.
The waste material container is full. ▶ Switch the appliance off and
empty the waste material
container.
The motor overheating protection
cut-out has been activated.
▶ Switch the appliance off and
allow it to cool down for about
5 minutes.
▶ If the motor doesn’t start, return
the appliance to Hilti Service.
The motor is repeatedly switched
off by its thermal cut-out.
▶ Clean the air vents carefully
using a dry brush.
The motor doesn’t run when
set to “AUTO”.
The appliance is faulty or is not
correctly plugged in.
▶ Make sure that the supply
cord plug is fully plugged in
and check that the appliance
functions correctly.
The automatic filter element
cleaning system doesn’t
work.
No suction hose is connected. ▶ Connect the suction hose.
Printed: 22.02.2017 | Doc-Nr: PUB / 5334128 / 000 / 00