M18 FMTIW2F12 Not Spinning – High-Pitched Noise Issue
Asked by WackyWombat99
I've got an M18 FMTIW2F12 that won't turn anymore. Whenever I pull the trigger, it makes this high-pitched noise from the back of the housing. If I attach a 1/2" socket and manually spin it while the trigger is held, it barely turns half a turn really slowly. I've checked all the wiring and everything looks good, but I can't find anyone online with the same issue. Is there a way to fix this without shelling out over €150 for new electronics?
Answers
It sounds like you might be dealing with a mechanical issue rather than an electrical one. If there's a problem with the hammer and anvil interface, it could prevent proper movement. You should be able to spin the 1/2" square drive anvil by hand without much resistance. If it's too tight, that's where the problem might lie.
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I had a similar problem, and it turned out to be the rotor getting stuck. Just make sure you're not experiencing any binding there. From what you're describing, if the hammer/anvil assembly spins fine without the rotor, you might just need to investigate what's causing the rotor to snap rather than try to replace any costly electronics.
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