LED indicators
Cause
Possible procedure
1 green LED.
The product is connected to the pow-
er pack and can be operated.
No procedure is necessary.
Power output is less than 70% of
available output during operation.
2 green LEDs.
Power output is between 70% and
90% of available output during opera-
tion.
No procedure is necessary.
3 green LEDs.
Power output is more than 90% of
available output.
No procedure is necessary.
3 green LEDs and 1 yellow LED.
Max. power output.
No procedure is necessary.
3 green LEDs, 1 yellow LED, 1 red
LED.
There is a risk that the product be-
comes too hot.
Decrease the load or decrease the
temperature of the motor and the
power pack.
All LEDs are on or flashes.
The product is too hot and can sud-
denly stop.
1
The max. available output is auto-
matically decreased to prevent over-
heating and automatic stop of the
product.
Decrease the load or decrease the
temperature of the motor and the
power pack.
Increase the quantity of water or use
colder water to decrease the temper-
ature of the motor.
To decrease the temperature of the
power pack, replace the air filter or
put the power pack in colder ambient
temperature.
Iron button
The iron button function decreases the operation speed
to make it easier to cut in hard materials, for example
reinforcement bars.
The decreased speed can also be used to make it
easier for the drill bit to go into the surface of other
materials. For best performance, disengage the iron
button function when the drill bit is through the surface
and drill the hole at regular speed.
When the indicator for the electronic gear flashes, the
iron button function is engaged.
To stop the product
WARNING: The drill bit continues to rotate
for some time after the motor stops. Do not
stop the drill bit with your hands. Injuries can
occur.
1. Let the product operate without work load for 2–3
minutes. The water system decreases the
temperature in the motor.
1
If the product stops because of overheating, the LEDs continue to flash until the product is cool and can be
started again.
10
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