Operating Instruction NUN 054 IE-A22 (01)

10 English 2188463
*2188463*
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 crimping / cutting tool is not in working order.
Malfunction Possible cause Action to be taken
The LEDs on the battery indi-
cate nothing.
The battery is not correctly in-
serted.
▶ 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. ▶ Allow the battery to cool
down or to warm up to room
temperature.
1 LED on the battery blinks. The battery is discharged. ▶ Change the battery and charge
the empty battery.
The battery is too hot or too cold. ▶ Allow the battery to cool
down or to warm up to room
temperature.
4 LEDs on the battery blink. The crimping tool has been briefly
overloaded.
▶ Allow the tool to cool down.
Red LED => lights continu-
ously and a warning tone is
emitted.
Technical problem. ▶ Incorrect operation is possible!
Contact Hilti Service.
Red LED => blinks at short
intervals and a warning tone
is emitted.
The state of charge of the battery
is too low to allow a complete op-
erating cycle.
▶ Change the battery and charge
the empty battery.
Red LED => lights briefly and
no warning tone is emitted.
The tool has overheated. ▶ Allow the tool to cool down.
8.2 The crimping / cutting tool is in working order.
Trouble or fault Possible cause Action to be taken
The battery runs down more
quickly than usual.
Very low ambient temperature. ▶ Allow the battery to warm up
slowly to room temperature.
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.
Red LED => blinks at long
intervals and a warning tone
is emitted.
Crimping / pressing pressure not
achieved (tool was used incor-
rectly).
▶ Make sure that the tool is used
correctly and check the crimped
/ pressed part if unsure.
Red LED => lights continu-
ously and a warning tone is
emitted.
Technical problem. ▶ Incorrect operation is possible!
Contact Hilti Service.
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.
▶ 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.