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Pfaff quilt expressions remove thread jam under switch plate

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Posted on Jan 02, 2017

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SOURCE: My Pfaff expressions 4.0 says Remove thread jam

Open the needle plate and check this area for an obstruction.

Refer to the manual for how to clean this area so you get everything back in place.

Posted on Mar 20, 2010

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SOURCE: Pfaff quilt expressions 4.0 shows

A lot of these Ex 4.0 have defective cutter motors. The arm that the cutter is attached to passes by a sensor that tells the machine when the cutter is at the rest position. And what is happening is that the arm is no longer in place to tell the sensor where it is, and it stops short of the rest position. This part is covered by PFAFF for a 5 year period. You'll just have to have a PFAFF dealer install it and pay a labor charge.

Posted on Apr 27, 2011

  • 1564 Answers

SOURCE: My Pfaff Classic Style Quilt 2027 is getting large thread snarls on the underside of the fabric.

Top tension problems. Tighten the tension.. and make sure you hold the threads when starting a seam.

Posted on Sep 03, 2012

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1 Answer

Top tension issues with a Pfaff quilt expression 4.2 bubbles in back.Was sewing and then didn't sound normal.How do I fix this?


FWIW, thread messes under the fabric are usually a top thread issue.

Make sure you are using a brand new needle.
Remove the top thread from the machine.
ALWAYS RAISE the presser foot and rethread from the beginning.
Verify the thread path is correct,.

Mar 21, 2018 | PfaFF Sewing Machines

2 Answers

I have a pfaff 4.2 quilt expression brand new but cant make it work. The thread in the bobin keeps jamming? What cani do


thread jams or breakage generally points to incorrect thread tensions
read the hand book and adjust accordingly

Jun 10, 2015 | PfaFF Sewing Machines

3 Answers

I have a Pfaff 4.2 Quilt Expression. I am free motion quilting and the bobbin thread keeps hanging up. Any suggestions?


1. The top loading bobbin cases have small brackets to keep them from turning or moving up or down.
2. Adjust brackets with small screwdriver. Allow enough room for thread to flow through.
3. Rotate hand wheel both directions to make sure the bobbin case doesn't move around. Also, watch the thread to see if it is flowing across the top of the bobbin case.
4. You may need to slow down movement of your "free motion". Also, make sure you are using the right pressure foot.
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25594932-c50uumk43kkfiii2f1mrykal-4-2.jpg

Mar 20, 2015 | PfaFF Sewing Machines

1 Answer

Pfaff quilt expression 4 0


Not sure what the problem is but you might try this:

Remove the top thread completely from the machine.
Make sure the machine is cleaned under the needle plate, the hook/bobbin area, the feed dogs, etc.
If your manual instructs oiling, do so as described.
Confirm that the feed dogs are in the raised position.
ALWAYS RAISE the presser foot then rethread the top thread from the beginning.
Verify the thread path is correct.
Confirm the needle is installed correctly (does the flat part face the right direction?). Is it the right needle for your machine.
Set the top tension to the midway point.
Check that the stitch length is set to at least #2.
Re-test your machine. Tweak the top tension until the top and bobbin threads meet in the middle of the fabric.

Some machines have a presser foot pressure adjustment that increases or decreases the amount of pressure the presser foot applies to the fabric and the feed dogs. You may need to increase this pressure.

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=0ahUKEwjUwYDwuKjVAhULwFQKHRLIA1YQFggmMAA&url=http%3A%2F%2Fwww.pfaff.com%2FSiteMedia%2FPFAFF%2FProducts%2FMachines%2Fexpression-line%2FManual%2Fexpression-3-2-4-2-manual-EN.pdf&usg=AFQjCNFFR0YpgCUh8R92wNbPzlJpuzWVNw


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Jul 26, 2017 | Sewing Machines

3 Answers

Message remove thread jam under the stitch plate keeps appearing! It's clean!


After cleaning out the bobbin area, re-threading the top thread, turning my Pfaff 4.2 off and on it still said " remove thread jam under the the stitch plate". I pushed the "ok" button and it started working again.
Keeping my fingers crossed.

Aug 13, 2012 | Pfaff Creative 4.0 Sewing Machnie

1 Answer

Pfaff 4.0 quilt expression pulling bobbin thread up to top of fabric help.


try a new needle
rethread the machine top & bobbin
try adjusting the top tension just a touch to see if that helps
clean under the needle plate & in the bobbin area for loose threads
or lint
make sure the bobbin is wound correctly & inserted into the bobbin
case correctly

Jun 04, 2012 | Pfaff Creative 4.0 Sewing Machnie

1 Answer

Pfaff quilt expressions 4.0 shows ''clear thread jam under switchplate'' when there is no threat under the switchplate.


A lot of these Ex 4.0 have defective cutter motors. The arm that the cutter is attached to passes by a sensor that tells the machine when the cutter is at the rest position. And what is happening is that the arm is no longer in place to tell the sensor where it is, and it stops short of the rest position. This part is covered by PFAFF for a 5 year period. You'll just have to have a PFAFF dealer install it and pay a labor charge.

Apr 26, 2011 | PfaFF Sewing Machines

1 Answer

My Pfaff expressions 4.0 says Remove thread jam under stitch plate when I try to wind a bobbin, and the machine has no bobbin or thread there, and it is brand new. (and the dealer is closed). Help!


Open the needle plate and check this area for an obstruction.

Refer to the manual for how to clean this area so you get everything back in place.

Mar 19, 2010 | Sewing Machines

2 Answers

Just bought a brand new Pfaff Quilt Expression 4.0 and the top thread keeps getting shredded and breaking while doing free motion quilting. I've checked threading diagrams, changed to four different...


this is a known issue with the pfaff.....i have just bought the machine and it has thread uptake issues...thread tension issues and it comes unthreaded by itself often...leaving globs of thread on the bottom stuck in the feed dogs and under the throat plate.....then the stitches are not properly balanced because the tension gets too loose on the bobbin thread....very disappointed to find out it is a known issue with all the viking husqvarna made machines...which are pfaff, janome and viking.....sux.

Oct 21, 2009 | PfaFF Sewing Machines

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