Maintenance
WARNING
Danger of electric shock! Improper repairs to electrical components may lead to serious injuries including
burns.
▶ Repairs to the electrical section of the tool or appliance may be carried out only by trained electrical
specialists.
•
Check all visible parts and controls for signs of damage at regular intervals and make sure that they all
function correctly.
•
Do not operate the product if signs of damage are found or if parts malfunction. Have it repaired
immediately by Hilti Service.
•
After cleaning and maintenance, fit all guards or protective devices and check that they function correctly.
To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare
parts, consumables and accessories approved by Hilti for use with the product can be found at your
local Hilti Store or online at: www.hilti.group.
7
Transport and storage
Transport
▶ Do not transport this product with an accessory tool installed.
▶ Make sure that the equipment is held securely throughout all transport operations.
▶ After transporting, always check all visible parts and controls for signs of damage and make sure that
they all function correctly.
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
Trouble or fault
The power tool doesn't start.
*2064795*
Possible cause
Electronics initialization in progress
(takes up to 1 second after plug-
ging in) or the electronic restart
safety interlock has been activated
after an interruption in the electric
supply.
Interruption in the electric supply.
The supply cord or plug is defec-
tive.
The control switch is defective.
Generator in sleep mode
2064795
Action to be taken
▶ Switch the power tool off and
then on again.
▶ Plug in another power tool or
appliance and check whether it
works.
▶ Have the parts checked by a
trained electrical specialist and
replaced if necessary.
▶ Have the power tool checked by
a trained electrical specialist and
the carbon brushes replaced if
necessary.
▶ Apply a load to the generator
by connecting a second power
consumer (e.g. worklight).
English
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