Question about Janome Sewing Machines

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Lower upper knife warning when knife is already lowered

Trying to do cover stitch. I have lowered upper knife but the error keeps coming up that the knife needs to be lowered.

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  • Janome Master
  • 7,365 Answers

Contact janome customer service about the error

Posted on May 06, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 1116 Answers

SOURCE: Drawing up the lower thread

Check the needle to be sure it is installed with the flat side to the back of the sewing machine.

Posted on Mar 03, 2010

JeremySew
  • 65 Answers

SOURCE: I have a white sewing machine Model 622 Serial

You can purchase that instruction manual here:
http://www.sewingpartsdirect.com/white-model-622-instruction-manual.aspx

Posted on Apr 21, 2009

bargainbox
  • 1388 Answers

SOURCE: Machine not sewing

Make sure you have threaded the machine from right to left, it sounds like the needle thread is trapped under the lower looper thread and cannot form a stitch.........start the threading over from scratch like this:

  1. Lower Looper
  2. Upper Looper
  3. Left Needle
  4. Right Needle
Is there a diagram for how to thread on the inside of the door ?

Follow that slowly and carefully to make sure you have not missed any thread guides on the way, as each one needs to be followed through to ensure correct tension and thread progression.

If you are certain that all threaded correctly, did you have a fabric jam and pulled it loose ? If so, the timing may well be affected.

Post an update and we'll get this right.

Bargain Box

Posted on Feb 03, 2008

  • 5 Answers

SOURCE: white speedylock 7340 loose/missing stitches, up.looper unthreads

All tensions should be on 4. Also, make sure the threading is done correctly. Or if you wish; You can contact me on other sergers for sale. "Best prices guaranteed"! rick_coccia@yahoo.com

Posted on Sep 16, 2010

e-Guru
  • 3917 Answers

SOURCE: I have a Sapphire 835,and

Hi

Loops on the bottom of the fabric = inadequate top tension
Loops on top of the fabric = inadequate bottom tension. this is probably a tension problem. there is a discrepancy between top and bobbin thread tension. The looping is a too loose tension in the bobbin or too tight a tension on the top thread. in either case, and regardless of cause, the two are out of synch. Try adjusting bobbin tension according to your machine type. after adjusting the bobbin tension sew on a piece of scrap. use a medium sized stitch. check and adjust and test until you are satisfied. If the looping isn't severe, adjust top string tension slightly looser.

Here are other causes for this problem, but they are more unusual and should be considered only if the common remedies don't answer.

If it's the bottom thread, the bobbin isn't wound or loaded correctly, or it's the wrong bobbin. Check to see the bobbin fits in the bobbin case properly. Don't mess with the bobbin tension unless you have to. If the machine had been working before and is not now, the problem is most likely not in the bobbin tension. The adjustment range is really tiny, and it's easy to mess it up.If it still loops after you redo the bobbin, you might also check the parts around the bobbin. Clean up all the fuzz that had collected around the bobbin. Remove all fragments of thread and fuzz with brush and vacuum (don't use compressed air or canned air or blow -- it pushes fuzz farther into the machine where you can't get to it.) Pay special attention to the area around the feed dogs and the sewing hook area.
Lubricate the machine according to the manual's instructions if the manual describes using oil.

Please get back to us if you have further query or else please accept the solution.

Thanks for contacting fixya.com

Posted on Sep 04, 2011

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1 Answer

How do I adjust tension on a Janome Harmony 9102D


Sounds like you want to do a rolled hem for a handkerchief edge, I do the following to create a rolled hem on my over locker. Take out left needle and cut and remove that thread. Open front cover and slide back lever for the stitch finger in the needle plate, this finger stops the fabric rolling under thread tension normally so you need to pull it back out of engagement. Your Janome may have a similar means to select the rolled hem or you may need to remove the stitch finger with a screwdriver, it varies between models.

Thread upper looper with wooly nylon and right needle and lower looper in matching colour thread. (You can go wooly on the bottom looper but it hardly shows so I never bother.) Disengage upper blade and move the fixed lower blade to the right to trim less, then lower upper blade back into position. Now tension, needle leave alone (5)' upper looper very loose (2-3) and lower looper tighten up to 6-7 and test stitch. You want the upper looper thread to go right underneath and the lower looper thread to disappear against the needle stitch. And the fabric to roll inside the stitching. Finesse tensions on the loopers until this is right, you may need to change blade position too, depends on weight of the fabric and how it rolls. Once this is right turn stitch length down to close up stitching, 0.8 or even 0.5 if you want full coverage. Thats it. You can use differential feed if you want a fluted rolled edge, nice on knits.

Mar 02, 2015 | Janome Harmony 9102D Mechanical Sewing...

1 Answer

How to install a new "upper knife"


First make sure the lower knife edge is the same height as the needle plate.
Then
- Insert the new upper knife into it's holder, tighten the screw slightly
- Turn the hand-wheel until the upper knife is at it's lowest position.
- Move the knife up or down in it's holder so that the cutting edge passes by the lower knife by around an 8th of an inch.
- Tighten the upper knife locking screw well.

May 03, 2014 | Singer 14SH654

1 Answer

What setting are the three threads set on for a rolled hem on a singer ultralock l4sh654 and what is the lever by the plate for?


Rolled hemming on any overlocker is usually achived the following way. Right hand needle only.
Blade over to the right usually to cut wider than normal but you can vary this to suit the fabric and stitch width you want.
Thread in this needle and the upper and lower loopers. If you can source any, use woolly overlock thread in the upper looper, this fluffs out when not tensioned and covers the fabric to give the look of solid stitching. Change upper looper tension to about 2 and lower looper tension to about 6 or 7.

The lever by the plate is usually to control the little stitch finger where the stitches are formed, move it backwards and it should move back towards you?? If this happens, then you want it in the retracted (towards you) position for rolled hemming so the stitching is much smaller and the fabric can roll. Normally this stitch finger holds the fabric firm for the loopers to form the stitch over for your normal 3 or 4 thread overlock.

Now test stitch and see how it looks. Tighten the lower looper thread so it lays right beside the needle on the underside. You may need to then tighten or loosen more the upper looper, you want the upper thread to wrap all the way around to the underneath against the lower looper thread and needle.

The cut edge of fabric should roll to underneath inside your seam. Once you've got this happening, turn the stitch length down to 0.5 or so to close it right up tight. This uses heaps of thread so I usually test everything else, then close it up at the end to minimise waste.

Hope this makes sense, good luck.

Sep 22, 2011 | Singer 14SH654

1 Answer

I have a Baby Lock 5280E. Can you tell me how to set the machine for rolled hem?


Assuming you mean a narrow rolled edge:
  1. Remove the left needle and thread.
  2. Open both the front and side covers.
  3. Raise the presser foot and the upper knife to the highest position.
  4. Clear the stitch fingers.
  5. Push the stitch with former release lever and remove the stitch former from the lower knife base. (Don't lose it!)
  6. Turn the stitch with adjusting dial until the "M" on the dial matches the red indicator on the needle plate.
  7. Set the stitch width length to "M".
  8. Close the covers, lower the presser foot and the upper knife.
This gives you a narrow edge. To roll the edge, increase the tension of the lower looper (the green knob) about three numbers higher than normal.

Nov 03, 2010 | Baby Lock Evolve

1 Answer

Hi, I'm trying to sew a silky fabric and the stitches on the bottom keep getting jumbled and the top thread breaks


My guess is that you have lost all of your upper tension and you may have your needle in backward.
Unthread the machine.
Raise the presser foot. Turn the handwheel until the take-up lever is at it's highest position. Set the upper tension dial/knob to 5. Remove the needle and replace it making sure that the flat side of the needle shank is to the back. Thread the machine.
With the presser foot up, the upper thread should pull through easily and then grab when the presser foot is lowered.
Test sew.
The upper tension pulls the stitches up and the lower tension pulls the stitches down. When they pull properly, the stitch is even.

Oct 29, 2010 | Husqvarna Huskystar 215 Sewing Machine

1 Answer

The sewing machine model is CE 5000PRW. The uppe...


It sounds as though the problem is with the tension in the bobbin. Check to make sure the thread is pulled through the tensioner on the bobbin case, if it is check and adjust the tension on the case.

May 21, 2010 | Sewing Machines

2 Answers

I want to know which knob I use to make the stitching narrower


there are generally two variable controls .. one adjusts the stitch length (distance between stitches measured in stitches per inch) ... the second is stitch width .. that adjusts how far the zigzag moves left and right .. thats usually just a number from 0 to 10 or so .. 10 would be maximum width .. 0 would be used for straight stitch ..
so you need to adjust the stitch width control to make the stitching narrower .. the controls are called different things on different brand sewing machines .. if you have the brand and model number then there may be instruction booklets available ...

Jan 04, 2010 | Sewing Machines

1 Answer

Instructions for threading Baby lock eclipse BLE1LX for 2 thread sergering


I have just learned this :)
Either needle thread may be engaged for 2-thread serging.
1. Open the front cover and cutting blade cover, cut the upper looper thread just above the threading guide ( this is plate that has two holes for the threads) Raise the presser foot and pull out the clipped thread from under the foot. Remove upper thread from the machine (or you can leave the cone thread on, it doesn't matter).
2. Rotate the handwheel to bring the upper looper to its lowest position.
3. Rotate the subsidiary looper up and to the left, then slip the end into the upper looper thread eye from backside.(this sounds complicated, yes? but it is very simple : the looper has a counter part that is spring-locked to move from left to right and right to left. This is the little claw-looking part of the looper that when in the postion to serg with four threads is to the right side of the looper. It looks like a scorpion's tale. If you can't figure which part it is, use your finger to probe the looper and you'll feel it give a little. This part needs to be moved to the left - it will not slide over, but swing up and over and down, like an arch. Then, where the thread comes out of the looper is where you want the little claw-like part to hook into.)
4. Close the covers. Decrease the needel tension - this depends on what the stitch length is. Stitch length: 2-3, stitch width: 3.0 = L needle n/a, R needle 1; upper looper n/a, lower looper 5
stitch length: 2-3, stitch width: 5.0 = L needle 0, R needle n/a, upper looper n/a, lower looper 3.5

Those are for a flatlock stitch - for a 2-thread rolled edge :
Stitch length: 0.5, stitch width: M = L needle n/a, R needle 4.5, upper looper n/a, lower looper 3.5
Stitch lenght: 1.0, stitch width: M = L needle n/a, R needle 4, upper lopper n/a, lower looper 3.0

If you have any questions, e-mail me at knowgodnofear@bex.net

Aug 10, 2008 | Baby Lock Eclipse Serger

2 Answers

Rolled hem or rolled edge


You need to disengage the cutting blade by openingfirstly opening the front and left hand side covers. pull on the larger of the two silver knobs and slide the red lever towards you. I'm not sure what the tension settings are, but I'm certain you need to reduce them a fair bit to aid in the rolling effect. I only use 3 threads when doing a rolled hem.
My description isn't too detailed but I hope it helps!

Jun 11, 2008 | Janome MyLock 634D Mechanical Sewing...

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