Disposal; Manufacturer's Warranty - Hilti DD 110-D Manual De Instrucciones

Fault
The service indicator blinks.
The machine doesn't start, theft
protection indicator blinks yel-
en
low.
The motor runs. The diamond
core bit doesn't rotate.
The rate of drilling progress de-
creases.
The diamond core bit cannot be
fitted into the chuck.
Excessive play in the drilling
system.

10 Disposal

Most of the materials from which Hilti machines or appliances are manufactured can be recycled. The materials must
be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements for taking
back old machines and appliances for recycling. Ask Hilti customer service or your Hilti representative for further
information.

11 Manufacturer's warranty

Please contact your local Hilti representative if you have
questions about the warranty conditions.
12
Possible cause
Motor speed error.
The power tool has not been un-
locked (tools with optional theft pro-
tection system).
Gear selector doesn't engage.
The gearing is defective.
The diamond core bit is polished.
The diamond core bit is polished.
The core is stuck in the core bit.
Maximum drilling depth is reached.
The diamond core bit is damaged.
The slip clutch is disengaging prema-
turely or slipping.
Drilling progress is prevented by an
accumulation of dust.
The core bit connection end or chuck
is dirty or damaged.
The core bit is not screwed securely
into the chuck.
The core bit connection end is defec-
tive.
Remedy
Have the appliance repaired by Hilti
Service.
Use the TPS key to unlock the power
tool.
Move the gear selector until felt to
engage.
The machine should be repaired by
Hilti Service.
Sharpen the core bit by drilling into a
sharpening plate.
The wrong type of core bit has been
used. Seek advice from Hilti.
Remove the core.
Remove the core and use a core bit
extension.
Check the diamond core bit for dam-
age and replace it if necessary.
The machine should be repaired by
Hilti Service.
Use a suitable vacuum cleaner.
Clean the connection end /chuck or
replace if necessary.
Tighten it securely.
Check the connection end and re-
place it if necessary.