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TYPICAL GC6760 Series
11 // ERROR MESSAGES & POSSIBLE TROUBLESHOOTING
11/6 Irregular stitch length
Irregular stitch length can have various reasons.
1. Check the foot pressure and adjust if necessary.
2. Check the feed dog height.
3. Check if the bobbin is scratched.
A damaged bobbin can be polished with an
oiled grindstone.
11/7 Puckered seam
A puckered seam can have various reasons.
1. Check if the upper thread tension is to tight.
2. Check if the lower thread tension is to tight.
3. Check if the tension on the take up spring is to tight.
4. Check if the take up spring is in the right position.
5. Check if the foot pressure is to tight.
6. Check if the sewing speed is to high. Reduce the sewing
speed if necessary with the speed-control-button.
11/8 Shifted material layers
Check the foot pressure when the upper and lower material
layers are shifted.
Содержание GC6760 SERIES
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