Why is the upper thread running out on my Brother HE-800A Sewing Machine?
Upper thread run out can be caused by the upper thread trimmer assembly or the tension release timing. Adjust the installation position of the upper thread trimmer assembly by moving the setting plate assembly. You can also use parameter number 63 to retard the tension release timing.
What to do if the Brother HE-800A Sewing Machine cutter does not return?
If the cutter blade is worn or chipped, sharpen it or replace it.
What causes uneven seams (7) on my Brother HE-800A Sewing Machine?
Uneven seams can be caused by the backtack shape. Set the value for parameter No. 68 to 1.0.
What causes uneven seams (4) on my Brother Sewing Machine?
Uneven seams can be caused by the lower thread clamp. Advance the timing at which the lower thread clamp starts to open.
Why is the upper thread breaking on my Brother HE-800A?
Upper thread breakage can occur due to several reasons. Ensure the needle is correctly attached with the notched part facing forward and fully inserted. Verify that both the upper and lower threads are threaded correctly. Check the thread path for any obstructions and polish or replace parts if necessary. Adjust the upper thread tension appropriately. Also, you may need to loosen the thread take-up spring tension or shorten the stroke to prevent double hooking.
What causes uneven seams (1) on my Brother HE-800A?
Uneven seams can be caused by the upper thread scissors or upper thread feeding. Adjust the upper thread scissors installation height. Also, loosen the screw to decrease thread take-up amount so that the upper thread does not pull out of the scissors assembly at the sewing start.
What causes uneven seams (8) on my Brother Sewing Machine?
Uneven seams may be caused by the backtack shape or uneven material feeding. Set the value for parameter No. 68 to 1.0 to adjust the backtack shape. Also, increasing the work clamp pressure can help with uneven material feeding.
Why is the needle breaking on my Brother Sewing Machine?
If your Brother Sewing Machine needle is breaking, ensure you insert the needle fully into the needle bar with the notched part facing forward. Also, the needle and hook timing may need adjustment.
How to fix uneven seams on my Brother HE-800A?
If the seams on your Brother Sewing Machine are uneven, first, adjust the upper thread tension appropriately. Ensure that you have threaded the upper thread correctly. You can also try setting the stitch patterns using parameter number 11 and adjusting the tension release on and off timing using parameter numbers 63 to 66.
What causes uneven seams on a Brother HE-800A Sewing Machine (lower thread)?
Uneven seams may result from issues with the lower thread retainer or clamp. Adjust the lower thread retaining amount. Ensure the lower thread clamp plate opens when the feed mechanism moves 6 – 7 mm. If the lower thread clamp and lower thread presser are bent, replace them and check that the screws are tightened.
General| Brand | Brother |
|---|---|
| Model | HE-800A |
| Category | Sewing Machine |
| Language | English |
Explains safety indications and symbols used in the manual and on the machine.
Provides guidelines for safe and proper installation of the sewing machine.
Important notes and precautions before performing machine adjustments.
Guides for adjusting the upper thread trimming mechanism.
Guides for adjusting the lower thread trimming mechanism.
Troubleshooting steps for upper thread breakage issues.
Safety precautions when working with the control box and electrical components.
List of error codes, their causes, and remedies.
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