FAQ :FAQ

  • # The needle thread is not tight enough.

Adjustment:

  • Adjust the needle thread tension or lower thread tension.
  • --The lower thread is not tight enough.

Adjustment:

  • Adjust the lower thread tension or needle thread tension.
  • -- Loops appear in seam.

Adjustment:

  • Use sandpaper to polish smooth the thread path.

Adjustment:

  • Pull out the lower thread to check that there is no slackness in the thread tension, or replace the bobbin or bobbin case.
  • -- Skipping stitches occur while sewing.

Adjustment:

  • If the needle tip is bent or broken, replace it.

Adjustment:

  • If it is incorrect, install the needle correctly.

Adjustment:

  • If it is incorrect, thread the thread correctly.

Adjustment:

  • Adjust the presser foot pressure.

Adjustment:

  • Replace the needle with a needle that is one rank thicker.
  • --Skipped stitches or unraveled thread at sewing start.

Adjustment:

  • If the needle tip is bent or broken, replace it.
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