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Brother LB6770 PRW Computerized Sewing Machine Questions & Answers
Error Code: Check and rethread the upper thread
Yes. It is a sensor on the take up spring. If you miss threading the take up spring you get this error. If take up spring is bent or broken you get this error or if sensor is damaged this error occurs.
My machine jammed/bent needle & gave error message
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Hi,
According to your problem, if you have
change/replace the niddle properly then you can try to change the
niddle position to solve your problem. Check the niddle threading and
reset it. Check also the thread sensor. Reset the machine and unplug
it after resetting for 2 min. Then plug it and turn it on again. If
it doesn't solve your problem then you may need to reload the
software.
My brother exedra e-40 #db2-b737-413
- In the event that changing the needle didn't determine the issue, have a go at rethreading the machine, guaranteeing legitimate pressure, and cleaning the bobbin region for any build up or garbage. On the off chance that the issue continues to happen, consider counseling the machine manual or looking for proficient help.
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