Troubleshooting - Hilti TE 50 Operating Instructions Manual

6.5 Transport and storage
• Do not transport electric tools with accessory tools fitted.
• Always unplug the supply cord before storing an electric tool or appliance.
• Store tools and appliances in a dry place where they cannot be accessed by children or unauthorized
persons.
• Check electric tools or appliances for damage after long periods of transport or storage.

7 Troubleshooting

If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
7.1 Troubleshooting
Trouble or fault
The power tool doesn't start.
Power tool does not start and
the service indicator shows
red.
The power tool starts and the
service indicator lights red.
The power tool doesn't start
and the service indicator
blinks red.
The drill bit doesn't rotate.
The chisel cannot be released
from the chuck.
8 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.
12 English
Printed: 08.03.2017 | Doc-Nr: PUB / 5130201 / 000 / 03
Possible cause
Interruption in the electric supply.
The supply cord or plug is defec-
tive.
The generator is in sleep mode.
Electrical fault.
The electronic restart interlock is
activated after an interruption in
the electric supply.
The carbon brushes are worn out.
Electrical fault.
End of service interval – servicing
is due.
A fault has occurred in the tool.
The function selector switch is
not engaged or is in the "drilling
without hammering" or hammer
drilling position.
The chuck is not pulled back fully.
Action to be taken
▶ Plug in another power tool or
appliance and check whether it
works.
▶ Have the supply cord or the plug
checked by a trained electrical
specialist and replaced if
necessary.
▶ Apply a load to the generator
by connecting a second power
consumer (e.g. worklight).
▶ Have the power tool and supply
cables checked by a trained
electrical specialist.
▶ Switch the power tool off and
then on again.
▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
▶ Have the tool checked by Hilti
Service.
▶ Have the tool repaired only by a
Hilti Service Center.
▶ Have the tool repaired by a
trained electrical specialist.
▶ Set the function selector switch
to "Drilling without hammering"
or "Hammer drilling"
▶ Pull the chuck back as far
as it will go and remove the
accessory tool.
.