▶ Remove the power conditioner and all loose accessory tools from the cradle.
▶ Empty the device before carrying it to another location.
▶ Do not tilt the device 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.
DANGER
Risk of injury. Hazardous material that has been picked up may escape through the suction hose inlet socket.
▶ Close the hose inlet socket on a Class M vacuum cleaner with the cap provided before transportation
and when the appliance is not in use.
8.2
Storage
▶ Store the vacuum cleaner in a secure, dry place where it is inaccessible to unauthorized users.
9
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.
9.1
Troubleshooting table
Malfunction
Warning tone (reduced suc-
tion performance)
The vacuum turbine doesn't
start.
The vacuum turbine switches
itself off.
The vacuum turbine doesn't
start after cleaning the waste
material container.
Suction power drops.
Dust is blown out of the appli-
ance.
The automatic filter cleaning
system doesn't work.
26
English
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.
No electric power.
The sensors are clogged with dirt.
The container is full.
The automatic cut-out is active.
The sensors are clogged with dirt.
The suction nozzle, tube, hose or
the filter are blocked.
The filter is clogged.
Remove the filter cover.
The drainage hose leaks.
The filter is fitted incorrectly.
The suction hose is not connected.
Action to be taken
▶ 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.
▶ Check the power outlet and
fuse.
▶ Check the container level
monitoring system. → page 25
▶ Empty the container.
▶ Set the control switch to the
position.
▶ Wait 5 seconds.
▶ Set the control switch to the
position.
▶ Check the container level
monitoring system. → page 25
▶ Remove the blockage.
▶ Change the fabric dust bag.
→ page 22
▶ Close the filter cover.
▶ Check the drainage hose for
leakage.
▶ Change the fabric dust bag.
→ page 22
▶ Connect the suction hose.
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