Furnace failure to run
Atwood 8531-IV. Furnace was running fine then late last night just clicked and would not run. Pulled inside and outside panels to look and found a reset switch on the outside. Reset the unit turned...
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I took apart a window motor that failed to run and drew too much current. I happened to notice the gaps between commutator segments were black. On closer inspection, the black was carbon from the brushes - a conductor shorting out the motor! Easy, no cost fix, very satisfying.
