7.6
Transport
Do not carry the appliance when it is full of waste material.
The appliance may not be lifted directly by crane.
▶ When necessary, remove the power conditioner and any loose accessories from their holders or
attachment points.
▶ 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.
VC 20-UM
VC 20-UME
VC 40-UM
VC 40-UME
WARNING
Risk of injury by dusts that are hazardous to health! Hazardous material that has been vacuumed up
can escape through the suction hose intake fitting.
▶ Close the hose inlet socket with the cap before transporting the vacuum cleaner and when it is not in
use.
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
Dust is blown out of the appli-
ance.
The appliance switches it-
self off or on inadvertently or
static electricity discharges
through the user.
The appliance doesn't start or
switches itself off after a short
time.
*2122701*
Possible cause
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 charge is not
conducted away – the
appliance is connected to an
unearthed/ungrounded power
outlet.
The water level cut-out is acti-
vated.
2122701
Action to be taken
▶ Change the paper dust bag.
→ page 28
▶ Change the plastic dust bag.
→ page 28
▶ If the automatic filter cleaning
system is deactivated, activate
it and allow the vacuum cleaner
to run for 30 seconds.
▶ Change the filter element.
→ page 30
▶ Clean the suction hose and the
dust hood.
▶ Set the hose diameter.
▶ Fit the filter element again
correctly.
▶ Fit a new filter element.
▶ Connect the appliance to an
earthed/grounded power outlet
and use an antistatic suction
hose.
▶ Clean the sensors and the
area around the sensors with a
brush.
English
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