Troubleshooting guide
Symptom
The sander LED (right) flashes between
red and green.
No light from Sander LED (right) when
switched on.
The sander LED (right) is red and the
sander slows down to 4,000 rpm when
sanding.
The sander LED (right) is red and rpm
is slightly reduced.
Brake seal does not work.
The sander has stopped and LED (right)
is red.
Disposal information
DANGER
Disposal guidelines for old appliances Render redundant power tools unusable by removing the
power cord Only for EU countries Do not dispose of electric tools along with household waste
According to European Directives 2002/95/EC, 2012/19/EU + 2003/108/EC 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 environmentally compatible recycling
facility
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 sander
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
Mirka® DEROS • 77 mm (3"), 125 mm (5") & 150 mm (6") • 230 V
Solution
Connect the sander to a mains outlet that
correspond with the nominal voltage of
the tool
Connect it properly
Reduce the load on the sander for some
time and the sander 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
en
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