[ElectricMotorcycles] Another Alltrax let's the smoke out

[damon henry]

Well for the second time my Alltrax controller let the smoke out.  It should 
still be under warranty so I will be getting ahold of Alltrax again, but I 
wonder why it did it.  I never have gotten around to putting in my main 
contactor so I know it is not voltage spikes.  I just use one of those 
switches with a the big red plastic key.  My precharge circuit consists of a 
momentary switch and a 6 ohm resistor that I engage until the green LED 
comes on.  The only other thing that I can think of is that I am running a 
54 volt nominal pack on a 48 volt controller, but everything stays within 
the controllers rated values.  The controller is disconnected during 
charging as the pack can go as high as 75 volts, and a fully charged pack 
usually settles down to around 58 or 59 volts.  The controller has built in 
overvoltage protection which kicks in at 60 volts.

Has anyone else had let the smoke out of their Alltrax with a series wound 
motor?

I'll talk to Alltrax before I decide anything for sure, but I'm considering 
liquidation at this point.  the motorcycle has been a lot of fun, but it has 
a way of always spending more of my time and/or money :-)

damon