Operating Instruction DX 5 (01)

10 English
Malfunction Possible cause Action to be taken
The fastener is not driven
deep enough.
The piston is incorrectly
positioned.
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
Bad cartridge. ▶ Pull the cartridge strip through
to the next cartridge.
The piston jams in the ex-
haust gas piston return unit.
The piston is damaged. ▶ Change the piston.
Rubber dust or debris in the piston
return unit.
▶ Check the piston and buffer and
replace if necessary.
▶
Contact Hilti Service if the
problem persists.
Build-up of combustion residues. ▶ Service the tool.
The exhaust gas piston return
unit jams.
Build-up of combustion residues. ▶ Service the tool.
No fastener driven: The tool
fires, but no fastener is
driven.
The piston is incorrectly
positioned.
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
The tool cannot be fired.
The tool was not pressed fully
against the working surface.
▶ Press the tool fully against the
working surface.
The magazine is not loaded. ▶ Load the magazine.
Plastic fragments in the magazine. ▶ Open the magazine, remove the
nail strip and plastic fragments.
The piston is incorrectly
positioned.
▶ Remove the cartridge strip and
clean the tool.
▶ Check the piston and buffer and
replace if necessary.
Nails in the magazine are not cor-
rectly positioned.
▶ Reload the tool.
The piston jams in the fas-
tener guide.
The piston and/or buffer are dam-
aged.
▶ Unscrew the magazine, check
the piston and buffer and
replace if necessary.
Plastic fragments in the magazine. ▶ Open the magazine, remove the
nail strip and plastic fragments.
Use of excessively high driving
power on steel.
▶ Reduce the driving power.
Firing the tool at a high power set-
ting without a fastener loaded.
▶ Avoid firing the tool without a
fastener loaded.
Printed: 29.09.2017 | Doc-Nr: PUB / 5292579 / 000 / 01