Hilti DX 6, Original Operating Instructions

Page: 23 / 88

*2232123*
2232123 English 15
Malfunction Possible cause Action to be taken
The fastener is not driven
deep enough
Incorrect piston position in the
magazine-type fastening tool (pis-
ton not in initial position when firing
triggered)
▶
Remove the cartridge strip and
service the tool.
▶
Check piston and buffer.
→ page 13.
Driving energy too low
▶
Turn the selector ring for driving
energy to increase driving
energy.
▶
Use an extra-strong cartridge.
Piston bounce because driving
energy is too high.
▶
Turn the selector ring for driving
energy to reduce driving energy.
Piston jamming in exhaust
gas piston return unit
The piston is damaged.
▶
Change the piston.
Abraded material from buffer inside
the exhaust gas 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.
▶
Clean the cartridge chamber.
▶
Insert new cartridge strip.
Exhaust gas piston return unit
jammed. The fastening tool
remains compressed.
Build-up of combustion residues.
▶
Service the tool.
▶
Clean the cartridge chamber.
▶
Insert new cartridge strip.
Jamming due to dirt or fragments
of concrete.
▶
Free the jammed components.
→ page 11
▶
Contact Hilti Service if the fault
/ error persists.
No fastener driven: The fas-
tening tool fired, but no fas-
tener was driven
Incorrect piston position in the
magazine-type fastening tool (pis-
ton not in initial position when firing
triggered)
▶
Remove the cartridge strip and
service the tool.
▶
Check piston and buffer.
→ page 13.
Piston bounce because driving
energy is too high.
▶
Turn the selector ring for driving
energy to reduce driving energy.
Fastening tool cannot be fired
Fastening tool was not pressed
fully against the working surface.
▶
Press the fastening 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.
Incorrect piston position in the
magazine-type fastening tool (pis-
ton not in initial position when firing
triggered)
▶
Remove the cartridge strip and
service the tool.
▶
Check piston and buffer.
→ page 13.
Nails in the magazine are not cor-
rectly positioned.
▶
Reload the fastening tool.
Fastener guide is not correctly en-
gaged.
▶
Turn the fastener guide or the
magazine until it engages with
an audible click. → page 8.
Piston bounce because driving
energy is too high.
▶
Turn the selector ring for driving
energy to reduce driving energy.