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11. Manufacturer's warranty – tools
Hilti warrants that the tool supplied is free of defects
in material and workmanship. This warranty is valid so
long as the tool is operated and handled correctly,
cleaned and serviced properly and in accordance with
the Hilti Operating Instructions, and the technical sys-
tem is maintained. This means that only original Hilti
consumables, components and spare parts may be
used in the tool.
This warranty provides the free-of-charge repair or
replacement of defective parts only over the entire lifes-
pan of the tool. Parts requiring repair or replacement
as a result of normal wear and tear are not covered by
this warranty.
Additional claims are excluded, unless stringent
national rules prohibit such exclusion. In particular,
Hilti is not obligated for direct, indirect, incidental
or consequential damages, losses or expenses in
connection with, or by reason of, the use of, or inabil-
ity to use the tool for any purpose. Implied warranties
of merchantability or fitness for a particular purpose
are specifically excluded.
For repair or replacement, send tool or related parts
immediately upon discovery of the defect to the address
of the local Hilti marketing organization provided.
This constitutes Hilti's entire obligation with regard to
warranty and supersedes all prior or contemporane-
ous comments and oral or written agreements con-
cerning warranties.
Fault
Possible cause
Remedy
Tool doesn‘t run
Battery is discharged or not correctly
Refit the battery. It must be heard to engage
fitted
with an audible “click”. Charge the battery if
necessary.
Electrical fault
Remove the battery and contact your
nearest Hilti service center.
Tool runs too fast / too
Adjust the 3-speed gear selector
Set the 3-speed gear selector switch to the
slow
switch.
desired position.
No hammer action
Tool set to the wrong mode
Set the tool to hammer drilling mode.
Clutch releases while drilling Tool set to screwdriving mode
Set the tool to drilling mode.
On / off switch cannot be
Forward / reverse switch is set to
Move the forward / reverse switch to the
pressed
middle position
left/right.
Speed suddenly drops
The battery is almost exhausted.
Stop working with the exhausted battery
and charge it fully.
Battery becomes dis-
Battery condition is not optimal.
Charge the battery using conditioning mode
charged faster than usual
(see battery charger operating instructions).
Battery does not engage
Dirt on battery locking mechanism
Clean battery locking mechanism and refit
with an audible “click”
the battery. Contact your nearest Hilti ser-
vice center if the problem persists.
Tool or battery overheats
Electrical fault.
Switch off the tool immediately. Remove
the battery and contact your nearest Hilti
service center.
Overload due to exceeding
Select the right tool for the application.
application limit
Drill bit or screwdriving bit Chuck not tightened correctly
Tighten the chuck securely by applying
slips in the chuck
reasonable force.
10. Troubleshooting
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