Mobility Elite scooter power chair will not power the motors
with the control knobs. No sound, nothing. The chairs will go up
and down via a second control knob that is not connected to
the electronic control unit. Switching the power on will show
the LED power meter blinking (not sure what that means.)
Charged for 4 hours, the power meter level is at orange,
between red and green. Both 12V batteries read 11.9V with
the meter indicator at orange.

The control unit is insulated inside what appears to be a heavy
duty cast iron housing. Looking around for the model number I
find only "Made in England." If this may help, see a glimpse of
this $2000 similar scooter here.

http://supportsusa.com/mobility/powe...ango-elite.htm

What part of the circuit is best place to start looking for
the problem?

Thanks