Tufting Gun Troubleshooting: 8 Common Problems Fixed

Your tufting gun has stopped behaving. Something's wrong — but what?

Before you panic, know this: almost every tufting gun problem has a simple fix. This guide covers the eight most common issues UK makers run into, what's causing them, and exactly how to resolve them.

⚡ Quick Answer

• Skipping stitches — oil the needle shaft, check needle condition
• Yarn jamming — re-thread correctly, check yarn weight
• Blade not cutting — oil the blade, check for dullness
• Uneven pile height — check yarn tension, clean the mechanism
• Gun feels sluggish — needs oiling immediately
• Yarn pulling back through needle — tail too short, leave 10–15cm
• Loops forming in cut pile mode — blade dull or misaligned
• Gun overheating — rest it, don't run continuously for over 30 minutes

Problem 1: Skipping Stitches

What's happening: The needle is punching through the fabric but not leaving yarn behind consistently — you end up with gaps in your pile.

Most likely causes:

• Needle shaft needs oiling
• Needle is bent or blunt
• Yarn tension is too tight or too loose
• Fabric tension on the frame is uneven

Fix:

1. Turn off and unplug the gun
2. Apply 2–3 drops of sewing machine oil to the needle shaft
3. Inspect the needle — if it's visibly bent, replace it
4. Re-thread with a clean yarn end and check the tension
5. Check your frame — fabric should feel drum-tight

Problem 2: Yarn Jamming in the Mechanism

What's happening: The yarn bunches up inside the gun, stops feeding, or gets caught around the needle area.

Most likely causes:

• Yarn is too thick or too thin for the gun
• Yarn has a high twist that's causing it to tangle
• Fibre build-up inside the mechanism from previous sessions
• Incorrect threading path

Fix:

1. Turn off and unplug
2. Carefully remove all yarn from the mechanism — use tweezers for stubborn fibres
3. Check your yarn weight — use bulky or super bulky (Category 5–6)
4. Re-thread following the correct path: cone → yarn guide → needle eye
5. Clean any fibre build-up with a soft brush before restarting

Problem 3: Blade Not Cutting (Cut Pile Mode)

What's happening: You're in cut pile mode but the yarn isn't being cut — loops are forming instead of cut pile.

Most likely causes:

• Blade needs oiling
• Blade is dull
• Blade has come slightly loose or misaligned
• Yarn is too slippery for the blade to grip

Fix:

1. Oil the blade joint with 1–2 drops of sewing machine oil
2. Check blade alignment — it should sit flush and move freely
3. Tighten any loose screws around the blade assembly
4. If the blade is dull, it needs replacing — contact UK Tufting for a replacement
5. Switch to a yarn with more texture — smooth or silky yarns don't cut cleanly

Problem 4: Uneven Pile Height

What's happening: Some areas of your rug have noticeably taller or shorter pile than others.

Most likely causes:

• Inconsistent speed — moving the gun too fast in some areas
• Yarn tension varying between passes
• Fabric tension uneven on the frame
• Yarn thickness inconsistent

Fix:

1. Slow down and maintain a steady, consistent pace
2. Make sure fabric is evenly tensioned across the whole frame — re-stretch if needed
3. Switch to a machine-spun yarn with consistent thickness
4. Oil the mechanism — a sluggish gun creates uneven pile

Problem 5: Gun Feels Sluggish or Stiff

What's happening: The gun feels harder to push than usual, movement feels resistant, or it's making a grinding sound.

Cause: Almost always needs oiling. This is the most common maintenance issue.

Fix:

1. Turn off and unplug immediately
2. Apply sewing machine oil to the needle shaft and all visible moving parts
3. Work the mechanism gently by hand to distribute the oil
4. Run on scrap fabric for 10–15 seconds before returning to your project

Problem 6: Yarn Pulling Back Through the Needle

What's happening: You start tufting and the yarn pulls back out of the needle after the first few stitches.

Cause: The yarn tail at the needle end is too short.

Fix:

• When threading, always leave at least 10–15cm of yarn tail hanging free from the needle end
• Hold the tail lightly with your free hand for the first few stitches until it anchors in the fabric

Problem 7: Loops Forming in Cut Pile Mode

What's happening: You're set to cut pile but the yarn is coming out as loops instead of being cut.

Most likely causes:

• Blade isn't engaging properly
• Blade is dull
• Gun isn't fully switched to cut pile mode

Fix:

1. Double-check the mode switch — make sure it's fully in the cut pile position
2. Oil the blade joint
3. Check that all blade screws are tight
4. Try a different yarn — coarser textures cut more reliably

Problem 8: Gun Overheating

What's happening: The gun body is getting very hot to the touch, or it cuts out automatically.

Cause: Running the gun continuously for too long without rest.

Fix:

• Give your gun a 10–15 minute rest break every 30–40 minutes of continuous use
• Never leave it running unattended
• Make sure ventilation slots on the body aren't blocked
• If it cuts out, let it cool completely before restarting

Quick Reference: Problem → Fix

If you've worked through this guide and your gun still isn't performing correctly, get in touch with us at UK Tufting — we're happy to help diagnose and resolve tufting gun issues for our customers.

Contact us at contact@uktufting.com or via WhatsApp.

Fix it. Get back to tufting. 🧵

Want to prevent these problems from happening? Read our tufting gun maintenance guide for a simple oiling routine.