11. Disposal
Most of the materials from which Hilti power tools are manufactured can be recycled. The materials must be cor-
rectly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking back
your old electric tools for recycling. Please ask your Hilti customer service department or Hilti sales representative
for further information.
12. Troubleshooting
Fault
The tool doesn't start.
No hammering action.
The tool doesn't achieve
full performance.
The drill bit can't be released.
10
Printed: 07.07.2013 | Doc-Nr: PUB / 5071103 / 000 / 00
Possible cause
No power from the mains supply. Plug in another electric tool or
Supply cord or plug is defective.
The control switch is defective.
The tool is too cold.
Function selection switch set to
rotary drilling only.
The cross-section of the
extension cord is inadequate.
The control switch is not pressed Press the control switch as far as
as far as it will go.
The function selection switch is
set to reduced hamering action.
The reversing switch is set to
counter-clockwise rotation.
The chuck is not pulled back fully. Pull the chuck back as far as it will go
Remedy
appliance and check whether it works.
Have it checked by an electrical
specialist and replaced if necessary.
Have it checked by an elecrical
specialist and replaced if necessary.
Allow the tool to warm up to the
operating temperature
(see section "Operation").
Set the function selection switch
to hammer drilling.
Use an extension cord with
adequate conductor cross-section
(see section "Operation").
it will go.
Set the function selection switch
to hammer drilling.
Set the reversing switch to
clockwise rotation.
and remove the insert tool.