9. Troubleshooting
Fault Possible cause Remedy
The tool can’t be switched on.
The battery is exhausted. Replace the battery.
The battery is inserted the wrong
way round (incorrect polarity).
Insert the battery correctly.
The battery compartment is not
closed.
Close the battery compartment.
The tool or selector switch is faulty. If necessary, have the power tool
repaired by Hilti Service.
Individual laser beams don’t
function.
The laser source or laser control
unit is faulty.
If necessary, have the power tool
repaired by Hilti Service.
The tool can be switched on
but no laser beam is visible.
The laser source or laser control
unit is faulty.
If necessary, have the power tool
repaired by Hilti Service.
The temperature is too high or too
low.
Allow the tool to cool down or warm
up.
Automatic leveling doesn’t
function.
The tool is set up on an excessively
inclined surface.
Set up the tool on the level.
The pendulum is locked. Release the pendulum.
Extraneous light is too bright. Reduce extraneous light.
The tilt sensor is faulty. If necessary, have the power tool
repaired by Hilti Service.
The base section can’t be
brought into the operating
position.
The base section (hinge) is dirty.
Clean the base section.
The base section is bent.
If necessary, have the power tool
repaired by Hilti Service.
10. Disposal
WARNING
Improper disposal of the equipment may have serious consequences:
The burning of plastic components generates toxic fumes which may present a health hazard.
Batteries may explode if damaged or exposed to very high temperatures, causing poisoning, burns, acid burns
or environmental pollution.
Careless disposal may permit unauthorized and improper use of the equipment. This may result in serious
personal injury, injury to third parties and pollution of the environment.
Most of the materials from which Hilti tools or machines are manufactured can be recycled. The materials must
be correctly separated before they can be recycled. In many countries, Hilti has already made arrangements
for taking back old tools and appliances for recycling. Ask Hilti customer service or your Hilti representative
for further information.
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