I'd be inclined to replace the triacs - they are cheap enough that testing isn't really worth it. Especially since you've already pulled them out of the board. They are now heat stressed as well as used for a while.
Donald.
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----- Original Message -----
> From: "Bob Corder" <corderbo@gmail.com>
> To: "Electronics 101" <Electronics_101@yahoogroups.com>
> Sent: Sunday, September 9, 2012 12:06:35 PM
> Subject: [Electronics_101] How to test an SC141B SILICON TRIACS
>
> I have an old Oster food processor that no longer turns the motor on and
> while the rest of the functions appear to work, switches turn lights on and
> switch power settings, etc, the main drive motor does not come on with
> either the run or pulse button. I suspect that the SC141B Silicon Triac
> has gone out on me so I need to find a way to test it with a standard VOM.
> I have removed the triac from the circuit board so any information would be
> very welcome.
>
> --
> Smile Every Day
> It Helps Your Face...
>
> Bob
>
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