Operating Instruction DX 5 (01)

Table Of Contents
English 15
7 Troubleshooting
7.1 Problems with the tool
Malfunction Possible cause Action to be taken
The piston gets stuck in the
base material.
The fastener is too short. Use a longer fastener.
The fastener has no washer. Use a fastener with washer for
applications on wood.
Driving power is too high. Reduce driving power (adjust
the power regulating wheel).
Use a less powerful cartridge.
Use the nails with a "top hat".
Use the nails with a washer.
Higher force required to press
the tool against the surface.
Build-up of combustion residues. Service the tool.
Trigger resistance increases. Build-up of combustion residues. Service the tool.
Stiff movement of power reg-
ulation wheel.
Build-up of combustion residues. Service the tool.
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.
Printed: 29.09.2017 | Doc-Nr: PUB / 5292580 / 000 / 01