Transport And Storage; Troubleshooting - Hilti TE 70-AVR Original Operating Instructions

7

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.
8

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.
8.1 Troubleshooting
Trouble or fault
Combihammer does not start. Interruption in the electric supply.
No hammering action.
Combihammer does not
achieve full power.
Drill bit does not rotate.
Drill bit is not released.
*2063038*
Printed: 30.08.2019 | Doc-Nr: PUB / 5150761 / 000 / 04
Possible cause
The generator is in sleep mode.
The electronic restart interlock is
activated after an interruption in
the electric supply.
The carbon brushes are worn.
The power tool is too cold.
The extension cord is too long or
the conductor cross-section is
inadequate.
The control switch is not fully
pressed.
The voltage provided by the elec-
tric supply is too low.
TE 70-ATC/AVR
TE 80-ATC/AVR
The half-power button is engaged.
The function selector switch is not
engaged or is in the "Chiseling"
position or the "Chisel position-
ing" position .
The chuck is not pulled back fully.
2063038
Action to be taken
▶ Plug in another electric tool or
appliance and check whether it
works.
▶ Apply a load to the generator
by connecting a second power
consumer (e.g. worklight).
Switch the tool off and then on
again.
▶ Switch the power tool off and
then on again.
▶ Have checked, and if necessary
replaced, by a trained electrical
specialist.
▶ Bring the tip of the accessory
tool into contact with the
working surface, switch the
power tool on and allow it to
run. If necessary, repeat the
procedure until the hammering
mechanism begins to operate.
▶ Use an extension cord of an
approved length and / or of
adequate conductor cross-
section.
▶ Press the control switch as far
as it will go.
▶ Connect the power tool to a
different power source.
▶ Press the "half-power" button.
▶ With the motor at a standstill,
set the function selector switch
to the "Hammer drilling"
position.
▶ Pull the chuck back as far
as it will go and remove the
accessory tool.
English 19