Troubleshooting; The Cutting Tool Is Not In Working Order; The Cutting Tool Is In Working Order - Hilti NCT 053-A22 Operating Instruction

▶ Store the tool and batteries in a place where they cannot be accessed by children or unauthorized
persons.
▶ Check the tool and batteries for damage before use after long periods of storage.

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 cutting tool is not in working order.

Malfunction
The LEDs on the battery indi-
cate nothing.
1 LED on the battery blinks.
4 LEDs on the battery blink.
Red LED => lights continu-
ously and a warning tone is
emitted.
Red LED => blinks at short
intervals and a warning tone
is emitted.
Red LED => lights briefly and
no warning tone is emitted.

8.2 The cutting tool is in working order.

Trouble or fault
The battery runs down more
quickly than usual.
The battery does not engage
with an audible double click.
Red LED => lights continu-
ously and a warning tone is
emitted.
10 English
Printed: 27.07.2017 | Doc-Nr: PUB / 5365799 / 000 / 00
Possible cause
The battery is not correctly in-
serted.
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 crimping / pressing tool has
been briefly overloaded.
Technical problem.
The state of charge of the battery
is too low to allow a complete op-
erating cycle.
The tool has overheated.
Possible cause
Very low ambient temperature.
The retaining lugs on the battery
are dirty.
Technical problem.
Action to be taken
▶ Push the battery in until it
engages with a double click.
▶ Change the battery and charge
the empty battery.
▶ Allow the battery to cool
down or to warm up to room
temperature.
▶ Change the battery and charge
the empty battery.
▶ Allow the battery to cool
down or to warm up to room
temperature.
▶ Allow the tool to cool down.
▶ Incorrect operation is possible!
Contact Hilti Service.
▶ Change the battery and charge
the empty battery.
▶ Allow the tool to cool down.
Action to be taken
▶ Allow the battery to warm up
slowly to room temperature.
▶ Clean the retaining lugs and refit
the battery.
▶ Incorrect operation is possible!
Contact Hilti Service.