Troubleshooting - Hilti NURON SC 4WL-22 Original Operating Instructions

come in contact with the terminals and cause a short circuit. Comply with the locally applicable
regulations for transporting batteries.
▶ Do not send batteries through the mail. Consult your shipper for instructions on how to ship undamaged
batteries.
▶ Prior to each use and before and after prolonged transport, check the product and the batteries for
damage.
Storage
WARNING
Accidental damage caused by defective or leaking batteries !
▶ Always store your products with the batteries removed!
▶ Store the product and the batteries in a cool and dry place. Comply with the temperature limits stated in
the technical data.
▶ Do not store batteries on the charger. Always remove the battery from the charger when the charging
operation has completed.
▶ Never leave batteries in direct sunlight, on sources of heat, or behind glass.
▶ Store the product and batteries where they cannot be accessed by children or unauthorized persons.
▶ Prior to each use and before and after prolonged storage, check the product and the batteries for
damage.
9

Troubleshooting

If a problem occurs, always observe the status indicator of the battery. See the section headed Status
indicators of the Li­ion battery.
If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by
yourself, contact Hilti Service.
Trouble or fault
The on/off button cannot be
pressed, i.e. the button is
locked.
Running speed suddenly
drops considerably.
No suction power or reduced
suction power
The product doesn't restart
by itself after the saw blade
has stalled.
The battery does not engage
with an audible click.
Product vibrates more than
usual.
LEDs of the battery show
nothing
10 Disposal
WARNING
Risk of injury due to incorrect disposal! Health hazards due to escaping gases or liquids.
▶ DO NOT send batteries through the mail!
▶ Cover the terminals with a non-conductive material (such as electrical tape) to prevent short circuiting.
▶ Dispose of your battery out of the reach of children.
▶ Dispose of the battery at your Hilti Store, or consult your local governmental garbage disposal or public
health and safety resources for disposal instructions.
*2276129*
Possible cause
Not a fault (safety function).
Battery is discharged.
Saw advance pressure is too high.
The chip / dust channel is blocked.
The overload cut-out has been
activated.
The retaining lugs on the battery
are dirty.
The saw blade is fitted incorrectly.
Battery defective
2276129
Action to be taken
▶ Press the switch-on interlock.
▶ Charge the battery.
▶ Reduce advance pressure and
switch the power tool back on.
▶ Clean the chip / dust channel.
→ page 14
▶ Press the switch-on interlock
and the on/off button again.
▶ Clean the retaining lug and
re-insert the battery.
▶ Remove the saw blade and refit
it correctly.
▶ Contact Hilti Service.
English 15