Troubleshooting Guide; Disposal Information - MIRKA DEROS 550X CV Mode D'emploi

Replacing the brake seal
NOTE! Too much vacuum in your dust extraction system may cause the brake seal to malfunction .
1 . Remove the backing pad as described above .
2 . Pull the old brake seal out of its groove .
3 . Fit the new brake seal in the groove .
4 . Fit the backing pad as described above .
5 . Check the brake seal function . By changing the number of washers between the spindle and backing pad, the effect
of the brake seal can be adjusted .
Further service
Servicing must always be performed by trained personnel . To keep the tool warranty valid and ensure optimal tool
safety and function, servicing must be carried out by a Mirka authorized service center . To locate your local Mirka
authorized service center, contact Mirka Customer Service or your Mirka dealer .

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 .
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 .
Mirka® DEROS • 125 mm (5") & 150 mm (6") • 110 V
en
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