Hilti SCW 22-A Mode D'emploi Original page 19

8 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.
8.1 The circular saw is not in working order.
Malfunction
The LEDs indicate nothing.
1 LED blinks.
4 LEDs blink.
8.2 The circular saw is in working order.
Trouble or fault
The on/off button cannot be
pressed, i.e. the button is
locked.
Running speed suddenly
drops considerably.
The battery runs down more
quickly than usual.
The product doesn't restart
by itself after the saw blade
has stalled.
The battery does not en-
gage with an audible "double
click".
The circular saw or battery
gets very hot.
No suction power or reduced
suction power
9 Disposal
Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The
materials must be correctly separated before they can be recycled. In many countries, your old tools,
machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti representative
for further information.
Battery disposal
Improper disposal of batteries can result in health hazards from leaking gases or fluids.
*2153714*
Possible cause
The battery is not fully inserted.
The battery is discharged.
The battery is too hot or too cold.
The battery is discharged.
The battery is too hot or too cold.
The circular saw was overloaded
briefly.
The overheating prevention cut-out
has been activated.
Possible cause
Not a fault (safety function).
The battery is discharged.
Saw advance pressure is too high.
Battery condition is not optimal.
The overload cut-out has been
activated.
The retaining lugs on the battery
are dirty.
Electrical fault.
The product is overloaded (appli-
cation limits exceeded).
The chip ejector channel is
blocked.
2153714
Action to be taken
▶ Insert the battery.
▶ Charge the battery.
▶ Bring the battery to the correct
ambient temperature.
▶ Charge the battery.
▶ Bring the battery to the correct
ambient temperature.
▶ Release the control switch and
then press it again.
▶ Allow the circular saw to cool
down to cool down and clean
the air vents.
Action to be taken
▶ Press the switch-on interlock.
▶ Charge the battery.
▶ Reduce advance pressure and
switch the product back on.
▶ Replace the battery.
▶ Press the switch-on interlock
and the on/off button again.
▶ Clean the retaining lugs and refit
the battery.
▶ Switch off the circular saw
immediately. Remove the
battery and keep it under
observation. Allow the battery
to cool down. Contact Hilti
service.
▶ Select a tool that is suitable for
its intended use.
▶ Clean the chip / dust channel.
→ page 11
English 13