Hilti DX 9-ENP Manual page 25

6. Check the piston and piston brake and replace these parts if necessary. → page 13
7. Clean the fastening tool. → page 14
8. Close the rotating sleeve. → page 11
8.3 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.
Trouble or fault
The cartridges are not trans-
ported.
The cartridge strip cannot be
removed.
The tool doesn't fire.
Insufficient nail stand-off
Space between metal sheet
and profile.
*2194400*
Possible cause
The cartridge strip is damaged.
The tool is damaged.
The tool is damaged.
Misfire
The cartridge strip is used up.
There are less than 15 fasteners in
the tool.
The tool is not adequately com-
pressed.
Fastener transport malfunction.
The tool is clogged with dirt.
The cartridges are unsuitable.
The tool is damaged.
The fastener missed the beam.
Driving power is too high.
The piston is worn.
The wrong piston has been fitted.
Space between metal sheet and
profile
2194400
Action to be taken
▶ Change the cartridge strip. Do
not attempt to forcibly remove
cartridges or the cartridge strip.
▶ Contact Hilti Service.
▶ Contact Hilti Service.
▶ Remedy the malfunction.
→ page 16
▶ Remove the cartridge strip from
the tool.
▶ Insert a new cartridge strip.
▶ Load new fastener strips.
▶ Press the nose of the tool
against the working surface
again and pull the trigger.
▶ Check that the fastener strips
are free to move.
▶ Remove any damaged or
defective cartridge strips or
strips containing damaged or
defective fasteners.
▶ Clean the tool.
▶ Contact Hilti Service.
▶ Do not attempt to forcibly
remove cartridges or the
cartridge strip.
▶ Contact Hilti Service.
▶ Mark the position of the beam
and drive another fastener.
▶ Reduce the driving power
(adjust the power regulation) or
use less powerful cartridges – if
available.
▶ Change the piston and piston
stopper together (as a set).
▶ Check that the right piston /
fastener combination is used.
▶ Avoid gaps between profile and
beam, or secure the beam on
the correct side.
English 17