No expert but, if trying to reset everything doesn't work, if smoke is being produced but not coming out of the stack it may be that the smoke fan motor is not spinning. Try to see if you can hear the fan spinning while the engine is on the track and the smoke on. I'm not familiar with your engine, but you may be able to nudge it along by blowing into the stack and see if that helps, otherwise you'll probably have to disconnect the shell and then you should be able to get a good look at the smoke unit and determine if the fan is spinning. It could be just gummed up from excess smoke fluid or the fan motor may be shot. Once the shell is off, try spinning it by hand (toothpick) to see if it spins freely or is stuck. You may just need to free it up. If it was simply stuck, put the shell back on and try it. If it works, run some Eliminator smoke fluid through it to clean it out. If it wasn't just stuck, then take the shell back off and you should be able to disconnect the fan motor and hook up a 5v source to it and see if it will jump start the fan motor (you can try a AA battery, but it may not be enough to get it going or a 9v battery which is too much so only do it for a second or two to see if it moves). If the fan motor spins with battery power applied but doesn't run after you put everything back together, then the fan motor is usually good and the problem is generally somewhere else in the electronics on the board.
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