Hilti SB 4­22 Mode D'emploi Original page 13

3.5 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.
3.5.1 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
Four (4) LEDs show constantly green
Three (3) LEDs show constantly green
Two (2) LEDs show constantly green
One (1) LED shows constantly green
One (1) LED slow-flashes green
One (1) LED quick-flashes green
One (1) LED quick-flashes yellow
One (1) LED shows yellow
One (1) LED quick-flashes red
3.5.2 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
All LEDs show in sequence, followed by one (1)
LED showing constantly green.
All LEDs show in sequence, followed by one (1)
LED quick-flashing yellow.
All LEDs show in sequence, followed by one (1)
LED showing constantly red.
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Meaning
State of charge: 100 % to 71 %
State of charge: 70 % to 51 %
State of charge: 50 % to 26 %
State of charge: 25 % to 10 %
State of charge: < 10 %
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.
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.
The Li-ion battery and the product in which it is
inserted are not compatible. Consult Hilti Service.
The Li-ion battery is locked and cannot be used.
Consult Hilti Service.
Meaning
The battery can remain in use.
The check to ascertain the battery's state of health
did not complete. Repeat the procedure, or consult
Hilti Service.
If a connected product can still be used, the re-
maining battery capacity is below 50 %.
If a connected product can no longer be used, the
battery has reached the end of its useful life and
has to be replaced. Consult Hilti Service.
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