Operating Instruction DD AF-CA H (01)

12 English 2299965
*2299965*
8 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.
9 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.
9.1 Product is not in working order
Malfunction Possible cause Action to be taken
Service required
Maintenance work or servicing
required.
▶ Contact Hilti Service.
Emergency stop
An emergency stop was triggered. ▶ Cancel the emergency stop by
pulling up the EMERGENCY
STOP switch. → page 5.
▶ If the problem persists, consult
Hilti Service.
Fault in AC supply
Supply network fault – the power
supply has been interrupted.
▶ Check whether other power
consumers are disrupting the
power supply from the network
or generator.
▶ Check the length of the exten-
sion cord used.
▶ Switch the diamond core drilling
machine and the auto-feed unit
off and then on again.
9.2 Product is in working order
Malfunction Possible cause Action to be taken
Overheating
Overheating. ▶
Allow the machine to cool down.
The Unknown error service
indicator lights up.
Attempt to pair incompatible sys-
tem products.
▶ Check whether the auto-feed
unit is compatible with the
diamond core drilling machine
(model, voltage ratings).
▶ Repeat the pairing attempt with
compatible system products.