Festool OSC 18 stopped working

ErikNi

Member
Joined
Jun 10, 2025
Messages
1
Bought a OSC that did not start at first.
Spent 2 days cleaning the circuit board and coils and got the machine running again with no missounds.
Took her for a spin and after about 2 minutes it shut down and I cant get it to work again.
Took it apart again but I cant seem to fins the problem.
Rotates about 1/10 while turning the switch on.
Anything comes to mind/any ideas?
 
Haven't had this one open ... is it a brushed motor? If so the obviously the brushes are the first thing to check. If they are good, then fully test the armature. If all that checks out replace the controller?
 
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