The VSI controller is manufactured by Penny and Giles Drive Technology. A picture of all the flash codes and their meaning can be found at:
http://www.pgdt.com/scenter/diagnostics/diagvsi.html
This is a terrific way to diagnose the problem with your chair. A technician will have a hand held programmer to read all the faults stored in the VSI controller log. This will give you an overall picture of the condition of all the electrical components of the chair, past and current faults. Hope this helps.
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Hello,Is the lights flashing on the charger or the joystick?
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