Re: Widget Startup Error 81

From: James MacPhail <uo957_at_email.domain.hidden>
Date: Tue, 21 Dec 2004 03:28:45 -0800

Hi Guido,

Error 81 is not specific to the brake, other things can cause it.

Does the drive ever spin-up?

If not: after the brake is released, try to flip the flywheel with the eraser end of a pencil... sometimes this is enough to make it run. I think you spin the front edge from right to left (counter-clockwise when viewed from the bottom).

If the spindle won't spin-up without the flip, try adjusting the brake; but I expect the motor (or the motor driver board) has a problem. I don't know of a fix for this or what the problem is; let us know if you find out!

Good luck!


>brake of the Widget in one on my Lisa makes a distinct clunk. With the
>Widget turned on the bottom I can see that the electric brake is relased
>and that the motor step try to spin moving in both the senses for 2 or 3
>After that Lisa show an Error 81.
>My infos report a problem with the electric brake that, normally, need a
>re-adjust at 0,20 dec.
>But the brake is not freezed.
>The question: do you think this error (81) may be associated to a different
>problem or it's only associated to the solenoid re-adjustment and I can
>try to do it even the brake is not freezed ?

James MacPhail                   "Think not of engineering as art,
uo957_at_email.domain.hidden                 but of art as engineering"
Sigma Seven Systems Ltd.
james_at_email.domain.hidden        <>

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Received on 2004-12-21 03:29:18

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