Re: (ET) Strange Alltrax behavior

["Lisa B." <mingobaby gmail com>]

I second that given our recent experience.



On 7/18/19 1:50 PM, Jim Coate wrote:
> It could be the contactor drive circuits in the controller are dead, 
> which you don't want to hear.
>
> But first... by memory at least the contactor coil gets the "+" side 
> via the microswitch on the throttle (or brake pedal? or some switch?). 
> The "-" side of the coil is what the controller drives. So rather than 
> just measure the voltage at the coil terminals, measure the voltage 
> between the coil terminal driven by the controller and battery "+" (or 
> battery "-" if I'm saying all this backwards).
>
> This is on the off chance that the controller is just fine and the 
> wiring to the other side of the coil is flakey.
>
> Good luck.
>
> On 07/17/2019 3:25 pm, Steve Gaarder wrote:
> > Found my spare contactor, and swapped it in.  No change :-(
> >
> > Steve
> >
> > On Wed, 17 Jul 2019, jlantonucci comcast net wrote:
> >
> > > Have you tried replacing the contactor? I've seen older one act up 
> > > like this.
> > >
> > > Sent from my T-Mobile 4G LTE device
> > >
> > > ------ Original message------
> > > From: Steve Gaarder
> > > Date: Tue, Jul 16, 2019 3:32 PM
> > > To: elec-trak cosmos phy tufts edu;
> > > Cc: scarecrow gmail com;
> > > Subject:(ET) Strange Alltrax behavior
> > >
> > > I have an E-15 with an Alltrax controller.  The speed control pot is 
> > > on a throttle lever and the foot switch is controlled by a s
> > > eparate switch.  The first time I start it up it's ok.  I turn on 
> > > the key switch, the contactor closes and then opens a few secon
> > > ds later.  I turn on the "foot" switch, the contactor closes, and 
> > > off we go.  It's all fine till I turn off the foot switch.  Aft
> > > er that, it will not run.  Turning on the key switch makes the 
> > > contactor close, again for a few seconds, but it never closes agai
> > > n, until I let it sit turned off for 15 minutes or more.Any 
> > > ideas?Steve Gaarder_______________________________________________Ele
> > > c-trak mailing 
> > > listElec-trak cosmos phy.tufts.eduhttps://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak
> > _______________________________________________
> > Elec-trak mailing list
> > Elec-trak cosmos phy tufts edu
> > https://cosmos.phy.tufts.edu/mailman/listinfo/elec-trak