7.4 Checking the container level monitoring system
1. Engage the wheel brakes so that the vacuum cleaner stands securely.
2. Disconnect the supply cord plug from the power outlet.
3. Open the two catches.
4. Lift the vacuum cleaner top section away from the waste material container and place it on a level surface.
5. Check the cut-out contacts and clean them with a brush if necessary (if dirty).
6. Check the seal at the vacuum cleaner top section and clean it with a cloth if necessary.
7. Fit the vacuum cleaner top section onto the waste material container and close the two catches.
7.5 Checks after cleaning and maintenance
1. After cleaning or carrying out maintenance, check that the vacuum cleaner is assembled correctly and
that it functions faultlessly.
2. Test each of the functions.
7.6 Transport
Do not carry the appliance when it is full of waste material.
The appliance may not be lifted directly by crane.
▶ 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
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.
Printed: 22.02.2017 | Doc-Nr: PUB / 5334131 / 000 / 00
6
Possible cause
No electric power.
The probes are clogged with dirt.
The container is full.
The automatic cut-out is active.
The probes 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.
Action to be taken
▶ Check the power outlet and
fuse.
▶ Check the container level
monitoring system. → page 9
▶ 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 9
▶ Remove the blockage.
▶ Change the fabric dust bag.
→ page 6
▶ Close the filter cover.
▶ Check the drainage hose for
leakage.
▶ Change the fabric dust bag.
→ page 6
English
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