11
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
Possible cause
Action to be taken
The LEDs indicate nothing.
The battery is not fully inserted.
▶
Push the battery in until it
engages with a double click.
The battery is discharged.
▶
Change the battery and charge
the empty battery.
The battery is too hot or too cold.
▶
Bring the battery to the recom-
mended working temperature.
1 LED blinks.
The battery is discharged.
▶
Change the battery and charge
the empty battery.
The battery is too hot or too cold.
▶
Bring the battery to the recom-
mended working temperature.
4 LEDs blink.
The circular saw was overloaded
briefly.
▶
Release the control switch and
then press it again.
The overheating prevention cut-out
has been activated.
▶
Allow the circular saw to cool
down to cool down and clean
the air vents.
7.2 The circular saw is in working order.
Trouble or fault
Possible cause
Action to be taken
The on/off button cannot be
pressed, i.e. the button is
locked.
Not a fault (safety function).
▶
Press the safety lock.
Running speed suddenly
drops considerably.
The battery is discharged.
▶
Change the battery and charge
the empty battery.
Saw advance pressure is too high.
▶
Reduce advance pressure and
switch the product back on.
The battery runs down more
quickly than usual.
Battery condition is not optimal.
▶
Replace the battery.
The product doesn’t restart
by itself after the saw blade
has stalled.
The overload cut-out has been
activated.
▶
Press the switch-on interlock
and the on/off button again.
The battery does not en-
gage with an audible "double
click".
The retaining lugs on the battery
are dirty.
▶
Clean the retaining lugs and refit
the battery.
The circular saw or battery
gets very hot.
Electrical fault.
▶
Switch off the circular saw
immediately. Remove the
battery and keep it under
observation. Allow the battery
to cool down. Contact
Hilti
service.
The product is overloaded (appli-
cation limits exceeded).
▶
Select a tool that is suitable for
its intended use.
Printed: 20.10.2015 | Doc-Nr: PUB / 5135507 / 000 / 03
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