Hilti FX 3-A Operating Instructions Manual page 28

Malfunction
'F.04'
'F.05'
'F.06'
'F.07'
'F.08'
'F.10'
'F.11'.
'F.13'
18 English
Possible cause
Hand tool not connected or is not
detected.
Fill level of the inert-gas can too
low.
Interior mechanism of the hand
tool stiff
Inadequate electrical contact
Charger faulty
Welding fault
Surface was not correctly pre-
pared.
Stud incorrectly positioned.
Stud is not correctly inserted in the
stud holder.
Action to be taken
▶ Connect the hand tool.
→ page 10
▶ If the hand tool is already
connected, disconnect the
connections to the welding
machine and reconnect the
hand tool. → page 10
▶ Insert a new inert-gas can.
→ page 9
▶ Check the front part of the hand
tool for foreign-matter accretion
and damage.
▶ Remove foreign-matter accre-
tions from the moving parts.
▶ Check and, if necessary, replace
the stud holder. → page 10
▶ Check the ground clamp.
Reconnect it, if necessary, and
make sure that it is making good
electrical contact. → page 11
▶ Check and, if necessary, replace
the stud holder. It must be free
of signs of damage and it
must firmly enclose the stud.
→ page 10
▶ Check the ground lead and the
connector for damage.
▶ Check the cables and plugs of
the hand tool for damage.
▶ Have the charger repaired or
replace it. Contact Hilti Service.
▶ Select the H code that matches
the stud. → page 13
▶ Hold the hand tool perpendicu-
lar to the surface and steady and
maintain your position through-
out the welding operation.
▶ Adhere to the necessary dis-
tances from edges. Adhere
to the specifications for posi-
tioning the ground clamp and
the hand tool (distance and
orientation).
▶ Prepare the surface correctly.
→ page 11
▶ Check the surfacing tool for
possible damage.
▶ Position the stud in the exact
center of the prepared surface.
▶ Insert the stud correctly into the
stud holder. → page 13
▶ Check that the stud holder is
correctly installed. → page 10
▶ Insert the stud correctly into the
stud holder. → page 13
2302420
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