ASR 33 buzzing
ard at p850ug1.demon.co.uk
Fri Oct 14 23:46:33 CDT 2016
> So I've got the machine being quiet now (no buzz). And I've confirmed the unit does
> not try to engage the motor unless switched to Line or Local mode. The second you
> turn the switch, the motor does about a 1/4 turn and then there's a visible spark from
> the bottom of the fuse holder. So I'm guessing this must be caps or something
> drawing too much power somewhere.
I assume this is with a good fuse in the holder. Without it, the motor should not be
powered at all.
I would try removing the belt so as to remove the load from the motor. And then
check the motor capacitor and starter relay (if there is one).
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