Re: (ET) ET No Go

[pchast <pchast francomm com>]

Steve

Do you have a Volt Ohm Meter?

You likely should  check the motor first. Pull the connection cover. 
Disconnect
one of the main connections. Then test for continuity through the motor. 
This
will show if you have Brush problems.

Pete

SteveS wrote:

> Thanks for the suggestions.
>
> I forgot to mention that the motor spins free and quiet, so I discount 
> the
> brake and transaxle, so sounds like I should look at the field circuit.
>
> The schematic I have shows a Varistor/Diode assembly. Is that part of the
> circuit board behind the control panel that has a bunch of SCRs and 
> diodes
> on it? The schematic doesn't show all the other parts on the board, so 
> maybe
> I have a newer or older model.
>
> Guess its time to trace thru the wires.
>
> - Steve
> E12
>
> ----- Original Message -----
> From: "David Roden (Akron OH USA)" <roden ald net>
> To: <>
> Sent: Thursday, February 07, 2002 10:46 AM
> Subject: Re: (ET) ET No Go
>
> > On 6 Feb 2002 at 21:17, SWS wrote:
> >
> > > - Are the 10 and 49 wires the field connections?
> >
> > I don't know about the numbers (don't have my manual handy), but the
> > smaller-diameter wires going to the motor are the field connections.  
> > The
> > larger ones are the armature connections.
> >
> > The symptoms you describe could be caused by an open connection in the
> > field circuit.  This could be the reversing relay, dirty connections, 
> > or
> > even an open field in the motor (unlikely).
> >
> > They could also be caused by a mechanical problem such as locked brakes
> > or a seriously munged transaxle.
> >
> > I recommend obtaining the Homeowner's Service Manual from Bill Gunn.  
> > It
> > has excellent troubleshooting flowcharts.  You'll also need a 
> > multimeter
> > (analog or digital).  You can get a suitable one for $40 or so at Radio
> > Shack.
> >
> >
> > David Roden - Akron, Ohio, USA
> > 1991 Solectria Force 144vac
> > 1991 Ford Escort Green/EV 128vdc
> > 1970 GE Elec-trak E15 36vdc
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> > Thou shalt not send me any thing which says unto thee, "send this to 
> > all
> > thou knowest."  Neither shalt thou send me any spam, lest I smite thee.
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> >
> >