Question about Janome Memory Craft 4900QC Mechanical Sewing Machine

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I think I've bent something!

I let the loose threads get dragged down under the bed and it made some loud noises and gave the message 'stop for safety reasons'. I have cleared the threads, changed the needle and checked for debri but when I now try to sew the upper thread appears to hang up on the bobbin case and causes the same message. It make a dreadful noise and stops.

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When you have the foot down ready for sewing,the needle thread , pull on it slowly and make sure there is resistance through the top tension, if there isnt any then the tread will ball up underneath

Posted on May 03, 2010

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1 Answer

Error message "the safety device has been activated. Is the thread tangled? Is the needle bent?" Occurred after needle no 5 broke and fell out. The machine


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Why is needle bar locked in down position?


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http://support.brother.com/g/b/faqend.aspx?c=us&lang=en&prod=hf_pc420eus&faqid=faqh00000109_000

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Messages about safe device activated & press the needle position button


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The timing is out on my consew 226R-1, how do I fix it?


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Babylock Esante stopped. Just makes loud noise but won't move even manually.


You probably have a jam. Start digging under the bobbin area.

If you get it all cleaned up under there... and it still won't move. Time for service by a pro. Could be something horrid like a bent shaft.

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Nov 03, 2012 | Baby Lock Sewing Machines

1 Answer

The upper thread breaks immediately I start operating


Upper thread breaks
needle may be in backwards

Raise the needle bar to the highest point, then loosen the clamp screw

to remove the old needle, place the new needle in the clamp with the flat

side to the back of the machine

Push the needle all the way up to the stop or as far as it will go, then

tighten the needle clamp screw

upper tension may be to tight

the needle may be bent or damaged

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I've had this machine for over 10 yrs. The problem is that I cannot seem to get the tension adjusted correctly. I was sewing through a batch of triangles and all of the sudden the thread under the...


try these suggestions,see if they will help

try changing thread--top & bobbin,, some thread does not stay good as some other does
usually needle have a flat side goes to the back of the machine, make sure the needle is pushed up into the needle holder--is it the right needle for the fabric
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check the thread take up lever to see if the top thread is still on it, when the thread comes off the take up lever it can jam up a sewing machine
check the needle plate to see if there are any burrs on it

also clean under the needle plate & bobbin area for loose threads or lint

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My Bernina sport 801 is making a loud screeching noise heard under the presser foot/bobbin area


clean under the needle plate
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My elna 6005 keeps on stopping ande I get the message stop for safety purposes. I have just had my machine serviced and I really don't know what to do.


Something is not quite right. Double check everything...loose needle, plug ins, threading, bobbin area for loose threads, etc.

Keep in mind that you've jostled the machine moving it from the service to your home. It could be as simple as the bobbin race being out of alignment. If nothing you do works... take it back and give the the person who serviced it the "look." and make him/her fix it.

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