9 Troubleshooting
Fault
The tool cannot be switched on.
Individual laser beams don't
function.
The tool can be switched on but
no laser beam is visible.
Automatic leveling doesn't func-
tion.
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 appliances 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 or appliances for recycling. Ask Hilti Customer Service or your Hilti representative for further information.
For EC countries only
Do not dispose of electronic measuring tools or appliances together with household waste.
In observance of the European Directive on waste electrical and electronic equipment and its imple-
mentation in accordance with national law, electrical appliances that have reached the end of their life
must be collected separately and returned to an environmentally compatible recycling facility.
Dispose of the batteries in accordance with national regulations.
Possible cause
The battery is exhausted.
The battery is inserted the wrong way
round (incorrect polarity).
The battery compartment is not
closed.
Tool or on/off switch faulty.
The laser source or laser control unit
is faulty.
The laser source or laser control unit
is faulty.
The temperature is too high or too
low.
The tool is set up on an excessively
inclined surface.
The pendulum is locked.
Extraneous light is too bright.
The tilt sensor is faulty.
Remedy
Replace the battery.
Insert the battery correctly.
Close the battery compartment.
If necessary, the power tool should be
repaired by Hilti Service.
If necessary, have the power tool re-
paired by Hilti Service.
If necessary, have the power tool re-
paired by Hilti Service.
Allow the tool to cool down or warm
up.
Set up the tool on the level.
Release the pendulum.
Reduce extraneous light.
If necessary, have the power tool re-
paired by Hilti Service.
en
15