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Chain 2 then in the next SC (of the row below), make the combination stitch. So, if the previous row has a bunch of SC, you would make the stitches leading up to the Chain 2. Then Chain 2 and in the next SC, make the 1SC, 1 HDC, ! DC.
HI
regarding JUKI LK-1903B Eror E7:
1-Machine lock error ( The main shaft of the sewing machine does not rotate due to some troubles ). please check if machine rotate smoothly by hand or not.
2-main motor problem ( AC servo motor problem ) motor part No.:401-38137.
3- check connection CN-15 / CN-17 from SDC board to main motor.
4 - problem in SDC servo board ( No output for main motor ). SDC servo board part No.:401-42267.
best regards
ASHRAF ABOZID [email protected]
CAIRO - EGYPT
I looked at some specs but I can't find that part you have described. Is it on the front panal?
Sergers are tricky, you might want to have a someone look at it make sure it is balanced. I'm gonna look into a couple more options for you in the mean time.
Sounds like it was part way through a cycle when it stopped.
Remove the needle, turn the power off and try turning the machine through a cycle by hand. If that does not solve the problem do the same again with the power on.
Make sure the chain stitch thread is threaded exactly as it should be, make doubly sure the thread comes off the bobbin vertically and runs through all eyes smoothly. Any faults in the threading causes extra tension at the needle despite what the tension is set on.
If this is not the cause then the needle depth and the looper timing needs checking.
Rob
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