Why is my embroidery machine skipping stitches?

Embroidery machine skipping stitches? Check the needle type, size and fit, rethread, stop flagging with firm hooping and stabilizer, and spot timing faults.

Updated · 6 min read

A red running stitch across knit fabric with two skipped stitches circled and a needle above
Diagnose it in 30 secondsAnswer two questions in the embroidery troubleshooter and get the likely causes in order.

A skipped stitch is a gap where a stitch should be: the needle went down and came back up, but the top thread didn't lock with the bobbin thread. In embroidery it shows as long, loose stitches in a satin column, a broken outline, or lettering that looks ragged along one edge.

Skipping almost always has a cause near the needle, and the fixes are quick to try. This guide explains how a stitch forms, then works through the needle, threading, flagging fabric, stabilizer, thread and speed, and finally timing, which is a job for a technician.

How a stitch forms, and why it gets skipped

As the needle starts to rise from its lowest point, the top thread forms a small loop beside the needle's eye. The hook sweeps past, catches that loop and wraps it round the bobbin thread. Anything that stops the loop forming, or moves it away from the hook, makes a skip:

  • The needle is the wrong type, size or position, so the loop forms in the wrong place.
  • The fabric lifts with the needle, called flagging, so the loop collapses before the hook reaches it.
  • The thread isn't feeding smoothly, or is caught somewhere along its path.
  • The timing between needle and hook is off, so the hook arrives too early or too late.

Start with the needle

ProblemFix
Dull, burred or bentFit a new one; many embroiderers change needles every 8–10 hours of stitching
Not pushed fully upReinsert it all the way into the clamp; on most home machines the flat side of the shank faces the back
Wrong systemUse the needle system your manual lists; commercial machines often take a different system, such as DBxK5, from home machines
Wrong point for the fabricA ballpoint on knits and performance fabric; a sharp on wovens, caps and leather
Wrong size75/11 for most work with 40-weight thread; 65/9 or 70/10 for fine thread and light fabric; 80/12 or 90/14 for heavy fabric
Adhesive on the needleSpray adhesive and sticky stabilizer gum the needle; clean or replace it, or switch to titanium needles

Stretchy and performance fabrics are a classic cause of skips with a sharp needle: the point pushes the fabric down instead of passing between the fibers, and the loop doesn't form. A ballpoint often fixes it. The needle guide covers sizes and points.

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Threading and the thread path

  • Rethread from the spool with the presser foot up, so the thread seats in the tension discs and passes through the take-up lever.
  • Check the thread isn't caught on the spool's notch, wrapped round the spool pin or snagged on a guide.
  • Thread the needle the way the manual shows, which on most home machines is front to back.
  • Reseat the bobbin and check the bobbin thread is in its tension spring.
  • Clean out lint round the hook and the bobbin case; the maintenance guide shows how.

The threading guide walks through the whole path, top thread and bobbin.

Flagging and loose hooping

If the fabric bounces up and down with the needle, the thread loop can't form properly and stitches are skipped, often in patches. It's most common on knits, thin and stretchy fabrics, caps and items that are floated rather than hooped.

  • Hoop the fabric and stabilizer together, firmly. The fabric should be smooth and taut in the hoop without being stretched.
  • Use the smallest hoop that fits, so there's less loose fabric to bounce.
  • Add stabilizer, or use a firmer one, and bond slippery or stretchy fabric to it with a fusible backing or spray adhesive.
  • When you float, use a sticky stabilizer and baste the fabric down round the design. The floating entry covers the method.
  • On caps, pull the cap tight on the frame and make sure the backing fills the front panel; caps flag more easily than flat items.
  • Check the presser foot height on multi-needle machines. Set too high, it doesn't hold the fabric down as the needle rises.

The hooping guide and the stabilizer guide go into detail.

Thread, speed and the design

  • Old or poor-quality thread with thin spots and lint can skip as well as break. Try a fresh spool of embroidery thread.
  • Metallic and specialty threads form loops less reliably. Slow the machine down and use a metallic or large-eye needle.
  • High speed on thick or stretchy items makes skips more likely; slow down.
  • Very short stitches in a file can be skipped or bunched up. The short stitches entry explains why digitizers avoid them.
  • Very long satin stitches can sag and snag and look like skips. The Embrizo digitizer splits satin stitches longer than 7 mm automatically.

To see whether a file has problems in the spot where the skips appear, open it in the embroidery file checker, which flags long and tiny stitches. If you're making the file from artwork, the digitizer shows a stitch preview and sew-out first; digitizing and previewing are free with an account, and downloading the file needs a paid plan.

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When it's the timing

If a new needle, rethreading and firm hooping don't stop the skips, especially on several fabrics, the hook timing may be out. It can be knocked out by a needle strike, a hard jam or thread wrapped round the hook. Signs include:

  • Skips that started right after a needle broke or the machine jammed.
  • Skips on every fabric, with every fresh needle you try.
  • A knocking or clicking sound from the bobbin area.
  • The needle touching the hook or the bobbin case.

Setting the timing means taking part of the machine apart and adjusting it precisely, so book a service with a technician or your dealer. The embroidery troubleshooter helps rule out the simpler causes first.

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FAQ

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What causes skipped stitches in machine embroidery?

Most often the needle: dull, bent, the wrong type or size, or not pushed fully up. Fabric flagging from loose hooping or too little stabilizer comes next, then threading problems. If a new needle, rethreading and firm hooping don't help, the hook timing may need a technician.

How do I stop fabric flagging in the hoop?

Hoop the fabric and stabilizer together so the fabric is taut but not stretched, use the smallest hoop that fits, and add a firmer or second layer of stabilizer. Bond stretchy or slippery fabric to the backing, and baste floated items down round the design.

Can the wrong needle cause skipped stitches?

Yes. A sharp needle on stretchy fabric, a needle too fine or too thick for the thread, or a needle of the wrong system for the machine can all make the loop form in the wrong place. Use the system your manual lists, a ballpoint on knits and a sharp on wovens.

Why does my machine skip stitches on caps?

Caps are curved and stiff, so they flag easily if they aren't pulled tight on the frame, and the stiff front can deflect a fine needle. Hoop the cap firmly with a cap backing, use a 75/11 or 80/12 sharp needle and lower the speed if your manual suggests it.

How do I know if my embroidery machine's timing is off?

Suspect the timing if skips started after a needle strike or a jam, happen on every fabric with a fresh needle, or come with knocking from the bobbin area. Adjusting it means taking part of the machine apart, so have a technician check it.

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