Elna supermatic...the light comes on ,,but nothing else works
Turn the machine on, press the foot control down and turn the handwheel backwards. If it sputters, the motor carbon brushes are worn to the springs and need replacing.
Next, while pressing on the foot control, try wiggling the wires around where it enters to machine and where it enters the foot control. There may be a short in the cord. If the short is at the machine, you need a new cord. If it is at the foot control, the cord can be pulled into the foot control, the shorted part cut off and the connection reattached.
If it still doesn't work, try removing the cord from the machine and placing an alligator clip test lead to two of the inlet prongs on plugging it into power. Which two prongs you ask? Try several combinations, (one will light up the lamp) CAREFUL: THE MACHINE MAY SUDDENLY TAKE OFF AT FULL SPEED, SO REMOVE THE BOBBIN, THE THREAD AND NEEDLE FIRST. if it runs, it is your foot control. If it doesn't run, it's likely the motor brushes or motor.
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