Hilti DD 120 Bedienungsanleitung Seite 28

2.4 Status indicator 1
LED indicators
Theft protection indicator (10)
Service indicator (1)
en
Drilling performance display (2)
2.5 TPS theft protection system (optional)
The machine may be optionally equipped with the TPS theft protection system. If equipped with this feature, the
machine can be unlocked and made ready for operation only through use of the corresponding TPS key.
2.6 The items supplied as standard include:
1 Machine including hand wheel
1 Operating instructions
1 Hilti toolbox or cardboard box
2.7 Using extension cords
Use only extension cords of a type approved for the application and with conductors of adequate gauge.
Recommended minimum conductor gauge (cross section) and max. cable lengths
Conductor cross section
Mains voltage 100V
Mains voltage 110-120 V
Mains voltage 220-240 V
Do not use extension cords with 1.25 mm² conductors. Use only extension cords equipped with an earth conductor.
2.8 Using a generator or transformer
This machine may be powered by a generator or transformer when the following conditions are fulfilled: The unit must
provide a power output in watts of at least twice the value printed on the type identification plate on the machine. The
operating voltage must remain within +5% and -15% of the rated voltage at all times, frequency must be in the 50 – 60
Hz range and never above 65 Hz, and the unit must be equipped with automatic voltage regulation and starting boost.
NOTE
Switching other machines or appliances on and off can cause undervoltage and/or overvoltage peaks which could
damage the machine. Never operate other machines from the generator/transformer at the same time.
24
State
Blinking yellow light
Red light and the machine
starts
Red light and the machine
doesn't start
Blinking red light
Orange light
Green light
Red light
Blinking red light
1.5 mm² 2 mm²
Not recommen- Not recommen-
ded ded
Not recommen- Not recommen-
ded ded
30 m
Description / information
The machine's theft protection system
is active and must be unlocked with the
TPS key.
The carbon brushes are badly worn.
After the lamp lights for the first time,
the machine may continue to be used
for several hours before the automatic
cut-out is activated. Have the carbon
brushes changed in good time so that
the machine is always ready for use.
The carbon brushes must be changed.
Motor speed error, see section
"Troubleshooting".
Contact pressure too low
Optimum contact pressure
Contact pressure too high
The machine has temporarily
overheated, see section
"Troubleshooting".
2.5 mm² 3.5 mm²
Not recommen- 40 m
ded
30 m
50 m