Fault
Misfire: Less than normal
sound. The fastener is only
partly driven into the base
material.
en
The cartridge strip doesn't ad-
vance.
The cartridge strip cannot be
removed.
A cartridge doesn't fire.
The cartridge strip melts.
10
Possible cause
The piston was in the wrong position.
Bad cartridges.
The cartridge strip is damaged.
The tool is badly fouled with dirt and
residues.
The tool is damaged.
The tool has overheated.
Bad cartridge.
The tool needs to be cleaned.
The tool is pressed against the work-
ing surface for too long before firing.
The fastener driving rate is too high.
Remedy
Remove the cartridge strip and cycle
the tool.
See section: 8.5 Cycling the tool 5
Change the cartridge strip (use a dif-
ferent / dry package if necessary).
If the problem persists, service the
tool.
See section: 9.3 Servicing the tool
Change the cartridge strip.
Clean the tool.
See section: 9.3 Servicing the tool
If the problem persists, contact your
local Hilti Center.
Allow the tool to cool down.
Subsequently, carefully remove the
cartridge strip from the tool.
WARNING
Never attempt to pry a cartridge from
the magazine strip or tool.
If the problem persists, contact your
local Hilti Center.
Pull the cartridge strip through to the
next cartridge.
Service the tool
WARNING
Check that the correct cartridges are
used and that they are in faultless
condition.
See section: 9.3 Servicing the tool
If the tool cannot be disassembled,
contact your local Hilti Center.
Fire the tool sooner after pressing it
against the working surface.
Remove the cartridge strip.
Stop using the tool immediately.
Remove the cartridge strip and allow
the tool to cool.
WARNING
Never attempt to pry a cartridge from
the magazine strip or tool.
Clean the tool and remove any loose
cartridges.
If the tool cannot be disassembled
contact your local Hilti Center.