Hilti DD 160, Manual

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36 English 434951
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Storage
▶ Always store this product with the electric supply cable unplugged from the electricity supply.
▶ Store this product in a dry place, where it cannot be accessed by children or unauthorized persons.
▶ After a long period of storage, always check all visible parts and controls for signs of damage and make
sure that they all function correctly.
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 table
Trouble or fault Possible cause Action to be taken
Diamond core drilling ma-
chine does not start Interruption in the electric supply.
▶
Plug in another electric tool or
appliance and check whether it
works.
▶ Check the plug connections,
supply cord, power supply line
and main supply fuse.
The on / off switch is defective. ▶ Have the machine repaired by
Hilti Service.
Interruption in the electric supply ▶ Check the supply cord, exten-
sion cord, supply cord plug and
PRCD and have them replaced
as necessary by a trained elec-
trical specialist.
Fault in the electronics. ▶ Have the machine repaired by
Hilti Service.
Water in the motor.
▶
Allow the diamond core drilling
machine to dry out completely
in a warm, dry place.
Service indicator shows The carbon brush wear limit has
almost been reached. The diamond
core drilling machine will continue
to run for a few hours until it shuts
down automatically. ▶ Have the carbon brushes
replaced at the next opportunity.
Diamond core drilling ma-
chine does not start and ser-
vice indicator lights up The carbon brushes are worn out. ▶ Replace the carbon brushes.
Diamond core drilling ma-
chine does not start and ser-
vice indicator flashes The motor has overheated. ▶ Wait a few minutes until the
motor has cooled down or
allow the diamond core drilling
machine to run under no load in
order to speed up the cooling
process. Switch the diamond
core drilling machine off and
then on again.
Overload error. ▶ Switch the diamond core drilling
machine off and then on again.
Diamond core drilling ma-
chine does not start and theft
protection indicator flashes The diamond core drilling machine
has not been unlocked (machines
with optional theft protection sys-
tem). ▶ Use the TPS key to unlock the
diamond core drilling machine.
The diamond core bit doesn’t
rotate. The gear selector isn’t engaged. ▶ Operate the gear selector until
it engages.
Printed: 09.08.2019 | Doc-Nr: PUB / 5069586 / 000 / 08