EN
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10. Troubleshooting
NOTE
This appliance is maintenance free. Never
open the appliance. The appliance may only
be repaired by an authorised service centre
or Customer Service. If one of the faults listed
below occurs, note the followings:
∆ Disconnect the appliance from any power
supply.
∆ Allow the appliance to cool down.
Problem
Possible cause
Error correction
The appliance does not
start
Mains voltage missing;
Main circuit breaker is tripped
Check the socket, mains cable. Line,
mains plug, repairs to be carried out
by qualified electrician if necessary,
check main circuit breaker.
ON/OFF switch may be defective
Repair by Service Centre
Motor faulty
The appliance works with
interruptions
Internal loose contact
Repair by Service Centre
ON/OFF switch is broken
Sanding disc does not
move although the motor
is running
Sanding disc is not correctly
assembled
Install sanding disc correctly
Motor is slowing down
and stops
Overload through workpiece
Reduce pressure on grinding tool
Workpiece unsuitable
Poor grinding
performance
Sanding sheet or sanding disk
unsuitable for the workpiece to
be processed
Use a suitable sanding sheet or
sanding disc
Worn sanding sheet
Insert a new sanding sheet
Incorrect speed
Adjust the oscillation rate
Sanding sheet wears
down quickly
Sanding sheet unsuitable for the
workpiece to be processed
Use a suitable sanding sheet
Too much pressure applied
Reduce the pressure
Speed too high
Adjust the oscillation rate
