Use and Care Manual

English 13
9.1 Troubleshooting
Trouble or fault Possible cause Action to be taken
The MIN indicator lights and
a warning tone is emitted.
Too little water in the water and
waste material container.
▶ Fill the water and waste material
container. → page 8
The MAX indicator lights.
Too much water in the water and
waste material container.
▶
Switch to Water supply mode
until the MAX indicator goes
out.
The float is stuck. ▶ Check the float level. → page 11
The No filter indicator lights.
The filter bag is missing or is not
fitted correctly.
▶ Insert the filter bag. → page 8
The connection between the
water hose and the appliance
is stiff to operate.
The connecting nipple is dry and/or
dirty.
▶ Grease the O-ring and the
recess.
The filter bag holder is pulled
up when the top section of
the appliance is lifted
Internal water connector parts are
dry and/or clogged.
▶ Check the seal on the filter
support. → page 12
No water or too little water
flows although there is ade-
quate water in the container.
The prefilter is blocked. ▶ Check the prefilter. → page 11
The water hose connector nipple is
blocked.
▶ Use a pin to clear the hole in the
nipple.
The mesh filter on the drilling ma-
chine water connection is clogged.
▶ Clean the mesh filter with a
brush.
No suction or reduced suc-
tion performance.
The filter bag is clogged. ▶ Change the filter bag.
The flow indicator sight glass
is dirty.
Dirt deposits. ▶ Unscrew the flow indicator and
clean it.
The appliance doesn’t start in
REC or VAC mode.
The float is stuck. ▶ Check the float level. → page 11
10 Disposal
Most of the materials from which Hilti tools and appliances 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 representative
for further information.
▶ Disposal of electric tools or appliances together with household waste is not permissible.
11 Manufacturer’s warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
Printed: 19.07.2017 | Doc-Nr: PUB / 5306586 / 000 / 03