Question about Russell Hobbs 3902US Work Top Blender
Owned this blender for just 4months. Everything was fine when I used it three weeks ago. It din't even overheat. Now, all of a sudden, it just won't start.
I can't find my maual to troubleshoot and I have no idea what might be wrong.
There's a safety lock built into the handle of the jug. If the jug cover doesn't key into the lock properly, the motor base won't start.
Old blenders used to be able to start without putting the jug in place at all. I think this helps you know when the jug is in place properly.
It's indicated on the carton box; somehow I can't find my manual.
Posted on Mar 02, 2008
I know this is an old tread but this might help others. On the 3902 blender, pull the rubber feet off and remove the 4 screws. Pull the bottom black plastic off. Un-snap the black plastic piece housing the control arm that varies the speed. You will see a PC board with one screw in it. Remove the screw pull the PC board. There will probably be an un-soldered solder joint at the transistor component. It will do no good to resolder it as it will just melt off again. It is best to run a heavy wire directly to the lead of the transistor (on the top side of the board) the other end of the wire to the widest part of the foil trace on the back of the board. You will have to scrape the green paint off to expose the silver trace for soldering. I used an electric eraser but a knife blade works too just don't cut through the trace. 22 gauge wire or larger will work. This is so much easier as it sounds as long as you can solder. The large wire will not get hot enough to melt the solder. By the way I know its not a transistor, but it looks like one, it is some kind of gate controlled diode
Posted on Nov 27, 2013
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