Hilti SCW 18-A Mode D'emploi page 17

6.5 Checks after cleaning and maintenance
Note
After cleaning or maintenance, check that all safety devices are fitted and that they function faultlessly.
▶ To check the pivoting guard, open the guard fully by moving the guard operating lever.
◁ The pivoting guard must close quickly and completely when the guard operating lever is released.
7 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.
7.1 The circular saw is not in working order.
Malfunction
The LEDs indicate nothing.
1 LED blinks.
4 LEDs blink.
7.2 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.
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).
Action to be taken
▶ Push the battery in until it
engages with a double click.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended working temperature.
▶ Change the battery and charge
the empty battery.
▶ Bring the battery to the recom-
mended working 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 safety lock.
▶ Change the battery and charge
the empty 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.
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