en (original)
Troubleshooting guide
Symptom
The Multi purpose LED flashes
between red and green.
No light from Multi purpose LED
when switched on.
The Multi purpose LED is red and
the tool slows down to the minimum
speed setting when sanding.
The Multi purpose LED is red and
rpm is slightly reduced.
Brake seal does not work.
The tool has stopped and the Multi
purpose LED is red.
Disposal information
62
Mirka® DEROS II 325, 350, 550, 625, 650, 680 & 750
Possible cause
Connected to a mains outlet with
wrong voltage.
Power cord not properly attached to
the sander or to the mains socket.
Temperature too high in the tool
Too heavy long term load.
Too heavy short term load.
Worn out brake seal or damaged
spindle bearing.
The tool is in safety mode due to high
temperature.
DANGER
Render redundant power tools unusable by removing the power cord.
Observe applicable country-specific regulations regarding disposal and recycling of disused machines,
packaging and accessories.
EU only: Do not dispose electric power tools in house-hold waste. According to European Directives
on waste electrical and electronic equipment and its implementation under national law, electric
tools that have reached the end of their life must be collected separately and taken to an environ-
mentally compatible recycling facility.
For more information regarding REACH, RoHS and our corporate social responsibility visit
www.mirka.com
Solution
Connect the tool to a mains outlet that
correspond with the nominal voltage
of the tool.
Connect it properly.
Reduce the load on the tool for some
time and the tool will speed up again.
Use lighter load and the LED (right)
will automatically change to green.
Check and replace brake seal or
spindle bearing if necessary
Wait until the tool has cooled down.