Although I have noted your sound advice in your response, I didn't tell you about the recent regular service that hadn't remedied its error. You pointed towards bobbins and cleaning which did remedy the fault. So my current theory is clean under the bobbin holder more regularly and use only "pucker' Janome bobbins.
Thanks very for your help.
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Re: Re: possible solution for the 9000 errors.
Clean under and around the bobbin case regularly.....my wife has a small brush to hand, and does it at every bobbin change.
The quilters of the world need to be especially vigilant, as the wadding and layers generate lint at a remarkable pace.
As to bobbins, they do vary from brand to brand, diameter and height, so this can be an annoying apparently "intermittent" problem if you happen to have a few different brands kicking around.........I had one customer who had me on 3 house calls before I realised that she had been collecting blinkin' bobbins where and whenever !!
Another thing with the brown magnetic donut in the middle of your white hook race.........best to use Janome plastic bobbins to avoid any other troubles, rather than the older metal bobbins.
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If your user manual doesn't tell you, and your dealer doesn't know, you can go to the Janome website, go to tech support , and they can answer your question. DO NOT use your machine until you get the error corrected.
it's definitely not suppose to be jumping ahead. have you checked the foot your using on the machine to make sure it's on correctly? you might also check the feed dogs to see if there in the up position, in the needle plate. if nothing I suggests works then I agree to take it to a janome dealer & let them sew on it & see what it does with them
top tension is too loose,check threading up and tension dial. should be on 4-6. read manual and if possible clean tension device. if it is accessible you turn dial to zero and "floss" between tension discs using selvage edge of clean piece of cotton fabric. you can moisten it with denatured alcohol if very dirty. thread sheds dye particles, especially black or cheaper threads. needs to be removed regularly to keep tension discs clean. turn back dial to 5 after and thread up again. often this will resolve the problem
as this machine is old, you will find it hard to buy anything that allows you to load designs off the internet, although i believe this is possible. For feet and memory cards look at ebay. Also, some janome outlets still have some design cards for sale, is that what you were after?
Look up a manual for the Elna 9000. They are available on eBay and from
sewing machine part suppliers. I used to sell Elna's, and they are the
same machine. The first version (9000) had black face detail and
buttons, which didn't sell well, so they just changed the facade to
white with gold writing and renamed it "Diva." It is one and the same.
From what I've read here, it could be one of two things: a blown motherboard or a scratched bobbin case.
Before you do anything else, I'd remove the bobbin case, clean it and the area around it thoroughly (and check it for scratches or dings -- perhaps a needle broke recently?) and then replace it and see if that fixes the error.
If not, unfortunately, I'll bet it's time for a check-up with a repairman. :(
This is most probably solved by an adjustment to your bobbin thread sensor, and not something for the home handy fellow......especially without a manual.
Be sure that there is no lint build up in or under the bobbin case as a first measure, and give this area a good clean anyway as normal housekeeping.....this will probably make little difference, but may let you finish any urgent job over the weekend.
When was your machine last serviced ? 2 years or more ? When was your car last serviced ?
Your best solution is to take it to an authorised Janome Service Centre (make sure they have the Service Manual for this model) and make sure to tell them about the bobbin sensor issue so that it can be specifically targeted during a full service.
This MC 9000 was expensive and the top of the range in it's day and deserves good regular care to work to its optimum for many more years.