Hilti GX 3 Mode D'emploi page 29

12 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Malfunction
Fasteners are frequently
driven to inadequate depth.
Fasteners are frequently
driven too deeply.
Fasteners break.
Fasteners bend.
Fasteners do not hold in steel
base material.
The content of the gas can is
inadequate for the number of
fasteners in the package.
The tool remains compressed
(nose does not extend when
pressure is released).
Possible cause
Driving power is too low.
The fasteners are too long.
The supporting material is too
hard.
The inlet/outlet valve is clogged or
covered over.
Driving power is too high.
The fasteners are too short.
Driving power is too low.
The fasteners are too long.
The supporting material is too
hard.
The fastener guide is not held per-
pendicular to the working surface.
Driving power is too low.
The fasteners are too long.
The fastener guide is not held per-
pendicular to the working surface.
The supporting material is too thin.
High gas consumption due to fre-
quent compression of the tool
nosepiece without driving a fas-
tener.
Incorrect piston position.
The nail detector is jammed and
the RESET button is not flush with
the casing when pressed.
A fastener has jammed in the fas-
tener guide.
Action to be taken
▶ Move the fastener driving depth
adjustment slider to the +
position.
▶ Use shorter fasteners.
▶ Consider using a DX fastening
tool.
▶ Clean the fastening tool and
check how it is held.
▶ Move the fastener driving depth
adjustment slider to the ‒
position.
▶ Use longer fasteners.
▶ Move the fastener driving depth
adjustment slider to the +
position.
▶ Use shorter fasteners.
▶ Consider using a DX fastening
tool.
▶ Press the nosepiece against the
working surface while keeping
the tool perpendicular to the
surface.
▶ Move the fastener driving depth
adjustment slider to the +
position.
▶ Use shorter fasteners.
▶ Press the nosepiece against the
working surface while keeping
the tool perpendicular to the
surface.
▶ Use a different fastening
method.
▶ Avoid compressing the tool
nosepiece without driving a
fastener.
▶ Remedy the incorrect piston
position. → page 24
▶ Remove foreign objects and
nails from the area around the
fastener guide. → page 24
▶ Release the jammed fastener.
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