Hilti PRA 90 Manual Del Usuario página 14

3. Check the height settings in the display.
4. Remove the laser receiver/remote control unit.
If the automatic alignment process was not successful, short signal tones are emitted and the
"Automatic alignment" symbol goes out.
7 Care and maintenance
Observe the temperature limits of ­25 °C (-13 °F) to +60 °C (140 °F) if you keep your equipment inside
a motor vehicle.
• Always keep the threaded rod free from coarse dirt and concrete residues.
• Use only a clean, soft cloth for cleaning. If necessary, moisten the cloth slightly with pure alcohol or
water. Do not use any other liquids as these may affect the plastic parts.
8 Transport and storage
Transport
CAUTION
Unintentional start-up during transportation.
unintentionally during transportation and the therefore may be damaged.
▶ Always transport the tool with the batteries removed.
• After use, wind the threaded rod down fully.
• Remove the battery.
• Only now fold in the tripod legs.
• For transporting or shipping your equipment, either use the Hilti shipping box, the Hilti transport pouch
or an equivalent form of packaging.
• Always check the accuracy of the equipment before it is used after a prolonged period of transportation.
Storage
CAUTION
Unintentional damage caused by defective batteries. Leaking batteries may damage the tool.
▶ Always store the tool without the batteries inserted.
• Store tools and appliances in a dry place where they cannot be accessed by children or unauthorized
persons.
• Remove the tool from its case if it has become wet. Tools, carrying cases and accessories should be
dried and cleaned at a maximum temperature of 40 °C (104 °F).
• Repack and store the equipment only once it is completely dry.
• Always check the accuracy of the equipment before it is used after a prolonged period of storage.
• Store the battery in a place that is as cool and dry as possible.
Never store the battery where it is exposed to direct sunlight or sources of heat, e.g. on heaters /
radiators or behind glass.
9 Troubleshooting
If the trouble you are experiencing is not listed in this table or you are unable to remedy the problem by
yourself, please contact Hilti Service.
9.1 Troubleshooting
Trouble or fault
Tripod does not respond.
8 English
If batteries are left inserted, the tool may start up
Possible cause
Tripod not switched on.
Tripod not paired.
Action to be taken
▶ Switch on tripod.
▶ Pair the remote control unit with
the tripod. → page 7
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