Changing light bulb – SINGER W1010 User Manual
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Upper or lower thread tension too tight
Stitch too long for material
Thread too thick
Incorrect threading of upper or lower thread
Needle not correctly inserted
Needle clamp screw too loose
Upper thread tension too tight
Needle too fine for the material
Dials and levers have been changed while
the needle was down in the material
Zigzag width set more than 2.5 while twin
needle was attached
n.b. If trouble is still apparent in the machine, please consult your nearest
Do not try to correct fault by yourself.
Changing Light Bulb
Unplug the machine.
Open face cover as shown.
Install a new bulb by screwing it