Troubleshooting; Manufacturer's Warranty - Tools - Hilti UH 240-A Manual De Instrucciones

10. Troubleshooting

Fault
Tool doesn't run
en
Tool runs too fast / too
slow
No hammer action
Clutch releases while drilling Tool set to screwdriving mode
On / off switch cannot be
pressed
Speed suddenly drops
Battery becomes dis-
charged faster than usual
Battery does not engage
with an audible "click"
Tool or battery overheats
Drill bit or screwdriving bit Chuck not tightened correctly
slips in the chuck
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.
8
Printed: 07.07.2013 | Doc-Nr: PUB / 5071285 / 000 / 00
Possible cause
Battery is discharged or not correctly
fitted
Electrical fault
Adjust the 3-speed gear selector
switch.
Tool set to the wrong mode
Forward / reverse switch is set to
middle position
The battery is almost exhausted.
Battery condition is not optimal.
Dirt on battery locking mechanism
Electrical fault.
Overload due to exceeding
application limit
Remedy
Refit the battery. It must be heard to engage
with an audible "click". Charge the battery if
necessary.
Remove the battery and contact your
nearest Hilti service center.
Set the 3-speed gear selector switch to the
desired position.
Set the tool to hammer drilling mode.
Set the tool to drilling mode.
Move the forward / reverse switch to the
left/right.
Stop working with the exhausted battery
and charge it fully.
Charge the battery using conditioning mode
(see battery charger operating instructions).
Clean battery locking mechanism and refit
the battery. Contact your nearest Hilti ser-
vice center if the problem persists.
Switch off the tool immediately. Remove
the battery and contact your nearest Hilti
service center.
Select the right tool for the application.
Tighten the chuck securely by applying
reasonable force.
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.