Sir malie . . . . .
This has been covered once before . . .see if this is possibly also being your situation.
This is will be the speed sensor not responding.
Take the motor cover off.
Find the small belt coming off the motor and on to the roller.
Look on the side of the front roller for a magnet, you might just find a vacated hole, if this is the case, the magnet has fallen out and will be stuck on the inside frame somewhere.
Glue it back in that cavity and test machine.
73's de Edd . . . . .
An ounce of valid application is worth a ton of vague abstraction.
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