Hilti FX 3-A Operating Instructions Manual page 48

Try to rectify the problem by applying the measures described below. It might be necessary for you to
acknowledge the fault by pressing the OK button on the hand tool before you can resume work.
If a fault code is displayed, check the quality of the weld. Correct the weld, if necessary.
If faults cannot be rectified by means of these measures or if a fault is recurrent, consult Hilti Service.
Malfunction
'F.01'
'F.02'
'F.03'
'F.04'
'F.05'
'F.06'
'F.07'
'F.08'
'F.10'
38 English
Possible cause
Internal error
Battery is discharged
The temperature is outside the
permissible range.
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
Action to be taken
▶ Switch the welding machine off
for at least 30 seconds.
▶ Fully recharge the battery.
▶ Fully recharge the battery.
▶ Check the ambient temperature.
Operate the product only within
the permissible temperature
range. → page 28
▶ Connect the hand tool.
→ page 31
▶ If the hand tool is already
connected, disconnect the
connections to the welding
machine and reconnect the
hand tool. → page 31
▶ Insert a new inert-gas can.
→ page 30
▶ 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 30
▶ Check the ground clamp.
Reconnect it, if necessary, and
make sure that it is making good
electrical contact. → page 31
▶ Check and, if necessary, replace
the stud holder. It must be free
of signs of damage and it
must firmly enclose the stud.
→ page 30
▶ 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 33
▶ 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).
2302408
*2302408*