Fault
Possible cause
Remedy
Misfire: The fastener is only
partly driven into the base ma-
terial.
The piston was in the wrong position.
Cycle the tool.
See section: 8.5 Unloading the tool
7
The tool is cycled unevenly, some-
times not fully.
Cycle the tool fully.
The piston ring is defective or miss-
ing.
Change the piston.
Bad cartridges.
Change the cartridges (use a different
/ dry package if necessary).
If the problem persists: service the
tool.
See section: 9.3 Servicing the tool
The tool is fouled with combustion
residues.
Clean the tool.
If the problem persists, service the
tool.
WARNING
Never use force when attempting to
remove unused cartridges from the
tool.
See section: 9.3 Servicing the tool
The tool is not cycled.
Cycle the tool.
The cartridge is not ejected
when the tool is cycled.
Driving power is too high. The piston
jams as a result.
Release the jammed piston.
Use a less powerful cartridge or a
longer nail.
No fastener inserted. The piston jams
as a result.
Release the jammed piston.
Load fastener(s) into the tool.
The tool has overheated.
Allow the tool to cool down.
Subsequently remove the cartridge
case carefully from the tool.
WARNING
Never use force when attempting to
remove unused cartridges from the
tool.
The tool is damaged.
Contact Hilti.
The cartridge case cannot be
removed.
The cartridge case is deformed.
Disassemble the tool and remove the
sticking cartridge case from the cart-
ridge chamber by pushing from the
front with the ramrod.
WARNING
Never use force when attempting to
remove unused cartridges from the
tool.
See section: 9.3.1 Disassembling the
tool
8 9 10 11
en
27
Printed: 14.04.2014 | Doc-Nr: PUB / 5069866 / 000 / 03
Summary of Contents for DX E?72
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