8 Troubleshooting
Fault
The tool can't be switched on.
The tool is switched on but
en
doesn't react.
The tool is too cold or too hot.
"Slipping wheel" is shown in the
display.
"Too fast" is shown in the dis-
play.
"Out of temperature range" is
shown in the display.
"Out of temperature range" is
shown in the display.
The display shows "Tool tem-
perature"
"Strong radio signal detected"
is shown in the display.
9 Disposal
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 electrical 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.
22
Possible cause
The batteries are exhausted.
Incorrect battery polarity.
System error.
The tool is too cold or too hot.
A wheel lost contact with the wall.
The tool was moved too quickly.
Temperature above permissible
range.
Temperature below permissible
range.
The temperature inside the tool has
changed too quickly.
Interference caused by radio signal.
The tool switches itself off automatic-
ally.
Remedy
Replace the batteries.
Insert the batteries correctly and
close the battery compartment cover.
Remove and reinsert the batteries.
Wait until it is within the permissible
temperature range.
Press the "Measure" button. Take
care to ensure that the wheels remain
in contact with the surface when
moving the tool. On uneven surfaces,
place a sheet of thin cardboard
between the wheels and the wall.
Press the "Measure" button. Move
the tool slowly over the wall.
Wait until within the permissible tem-
perature range.
Wait until within the permissible tem-
perature range.
Switch the tool on again.
If possible, eliminate the radio signal
(e.g. WLAN, UMTS, aircraft radar,
transmitter mast or microwave
device) and switch the tool back on.