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2265064
English
7
3.5
Motor protection system
The tool is equipped with a motor protection system. It monitors current consumption and motor temperature
and prevents the product from overheating.
If the motor is overloaded through application of excessive working pressure, the product’s performance
drops noticeably or it might stall completely.
If the power tool stalls or slows significantly due to overloading, release the pressure applied to the product
and then allow it to run under no load for approx. 30 seconds.
3.6
Status indicators of the Liion battery
Hilti
Nuron Li-ion batteries can indicate state of charge, fault messages and the battery's state of health.
3.6.1 Indicators for state of charge and fault messages
WARNING
Risk of injury by a falling battery!
▶
If the release button is pressed with a battery inserted in the product, subsequently check that the battery
is correctly re-engaged and secure.
Short-press the release button of the battery to get whichever of the following status indications is applicable
at the time.
State of charge and, if applicable, faults are indicated constantly as long as the connected product is
switched on.
Status
Meaning
Four (4) LEDs show constantly green
State of charge: 100 % to 71 %
Three (3) LEDs show constantly green
State of charge: 70 % to 51 %
Two (2) LEDs show constantly green
State of charge: 50 % to 26 %
One (1) LED shows constantly green
State of charge: 25 % to 10 %
One (1) LED slow-flashes green
State of charge: < 10 %
One (1) LED quick-flashes green
The Li-ion battery is completely discharged.
Recharge the battery.
If the LED again starts quick-flashing after the bat-
tery has been charged, consult
Hilti
Service.
One (1) LED quick-flashes yellow
The Li-ion battery or the product in which it is in-
serted is overloaded, too hot or too cold, or experi-
encing some other fault.
Bring the product and the battery to the recom-
mended working temperature and do not overload
the product when it is in use.
If the message persists, consult
Hilti
Service.
One (1) LED shows yellow
The Li-ion battery and the product in which it is
inserted are not compatible. Consult
Hilti
Service.
One (1) LED quick-flashes red
The Li-ion battery is locked and cannot be used.
Consult
Hilti
Service.
3.6.2 Indicators showing the battery's state of health
To check the battery's state of health, press the release button and hold it down for longer than three
seconds. The system does not detect a potential malfunction of the battery due to misuse, for example
battery dropped or pierced, external heat damage, etc.
Status
Meaning
All LEDs show in sequence, followed by one (1)
LED showing constantly green.
The battery can remain in use.
All LEDs show in sequence, followed by one (1)
LED quick-flashing yellow.
The check to ascertain the battery's state of health
did not complete. Repeat the procedure, or consult
Hilti
Service.
Summary of Contents for NURON TE 4-22
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