Troubleshooting - Hilti AG 500-A22 Operator's Manual

9 Transport and storage of cordless tools
Transport
CAUTION
Inadvertent starting during transport. Uncontrolled starting during transport may occur if the battery
is fitted, thereby resulting in damage to the tool.
▶ Always remove the battery before transporting the tool.
▶ Remove the battery.
▶ Transport the tool and batteries individually packaged.
▶ Never transport batteries in bulk form (loose, unprotected).
▶ Check the tool and batteries for damage before use after long periods of transport.
Storage
CAUTION
Inadvertent damage caused by defective battery. A leaking battery may damage the tool.
▶ Always remove the battery before storing the tool.
▶ Store the tool and batteries in a place that is as cool and dry as possible.
▶ Never store batteries in direct sunlight, on heating units or behind a window pane.
▶ 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.

10 Troubleshooting

If the trouble you are experiencing isn't listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
Trouble or fault
The battery runs down more
quickly than usual.
The battery doesn't engage
with an audible click.
1 LED blinks.
The power tool does not run.
All 4 LEDs blink.
The power tool does not run.
The angle grinder or battery
gets very hot.
The tool does not achieve full
power.
The motor has no braking
effect.
Printed: 26.01.2017 | Doc-Nr: PUB / 5292879 / 000 / 00 Printed: 26.01.2017 | Doc-Nr: PUB / 5292879 / 000 / 01
Possible cause
Very low ambient temperature.
The retaining lugs on the battery
are dirty.
Low battery.
The battery is too hot or too cold.
The tool has been overloaded.
Electrical fault.
A battery with inadequate capacity
was used.
Low battery.
The power tool was overloaded
briefly.
Action to be taken
▶ Allow the battery to warm up
slowly to room temperature.
▶ Clean the retaining lugs and refit
the battery.
▶ Change the battery and charge
the empty battery.
▶ Allow the battery to cool down
or warm up slowly to room
temperature.
▶ Release the control switch and
then press it again. Then allow
the power tool to run under no
load for approx. 30 seconds.
▶ Switch the power tool off im-
mediately, remove the battery,
keep it under observation, allow
it to cool down and contact Hilti
Service.
▶ Use a battery with adequate
capacity.
▶ Change the battery and charge
the empty battery.
▶ Release the control switch and
then press it again.
19