Troubleshooting; Disposal - Hilti PRE 38 Manual De Instrucciones

9 Troubleshooting

Fault
PRE 38 battery low
PRA 380 battery low
en
The tool has been bumped.
The tool has been set up off-
level.
Calibration Over ERR
E-05
E-51
E-60s
E-80s
E-99
LCD display light blinks

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, electric tools and batteries that have reached the end of their
life must be collected separately and returned to an environmentally compatible recycling facility.
30
Possible cause
The batteries in the grade laser are
exhausted.
The batteries in the remote control
unit are exhausted.
The tool has been subjected to vibra-
tion or an impact.
The tool has been set up off level, i.e.
outside its self-leveling range.
The result of the tool check is not
within specification.
The rotary head does not rotate.
Internal memory error in the remote
control unit.
Encoder system error
Leveling is not yet complete.
Internal memory error
The display remains blank
Remedy
Remove the exhausted batteries and
insert new ones.
Remove the exhausted batteries and
insert new ones.
Activate the automatic self-levelling
function by switching the tool off and
then on again.
Reposition the tool so that it is re-
aligned in accordance with the sym-
bol shown.
Restart the tool by switching it off and
then on again.
Switch the tool off and then on again.
Switch the remote control unit off and
then on again.
Switch the tool off and then on again.
Switch the tool off and then on again.
Switch the tool off and then on again.
Switch the tool off and then on again.