Operating Instruction AG 500-12D (04)

14 English 2143517
*2143517*
10.1 Troubleshooting
Trouble or fault Possible cause Action to be taken
Product does not start. Interruption in the electric supply. ▶ Plug in another power tool or
appliance and check whether it
works.
The supply cord or plug is defec-
tive.
▶ Have the supply cord and plug
checked by a trained electrical
specialist and replaced if
necessary.
The carbon brushes are worn. ▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
Product does not work. Product is overloaded. ▶ Release the on/off switch and
then press it again. Then allow
the product to run under no load
for approx. 30 seconds.
Product does not develop full
power.
The extension cord conductor
cross section (gauge) is inade-
quate.
▶ Use an extension cord with
an adequate conductor cross
section.
Elevated temperatures at the
gear housing.
Short braking interval. ▶ Allow the device to run under no
load until it has cooled down.
11 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.
12 Manufacturer’s warranty
▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
Printed: 20.04.2018 | Doc-Nr: PUB / 5300553 / 000 / 01