I have the Iris and you have to hold down the reverse button for reverse and sometimes it gets stuck in reverse when I let go. It also will just automatically switch to reverse in the middle of sewing at times. I know it is a problem with the computer panel and have taken it in twice to the Viking dealer. Since he can not "re-create" the problem, it can't be fixed. I am beyond frustrated. Any suggestions as to how to fix this?
I would ask the dealer to replace the computer panel. If they are not comfortable completing that repair, have them send it to Viking Service Center in Nashville, TN for them to complete the repair.
SOURCE: Viking Husqvarna model 6440 gets stuck in reverse
There are numerous things that can cause this, some very simple, some less so.
1. Fortunatly, the most common one is also the simplest to cure. When you turn the selector (upper left) knob between stitches, one of the things that is happening when you feel the resistance is that it is lifting the followers off the camstack so that it can move to another stitch. When the camstack is normally doing its job, lifting the feed cam follower is what puts the mechanism in reverse. So, while the selector is between stitches, the machine is temporarily in reverse. Also, the dots where the dial is to be placed to change the camstacks is between stitches, so if the dial is on these dots or anywhere else except snapped into a stitch, you will get nothing but reverse.
2. The buttonhole mechanism is stuck in the reverse portion of the buttonhole. Usually if this is the case, the needle position will also be stuck on the left side, and the width control /buttonhole control will not function correctly. Usually you can correct this yourself and I'll explain how in a bit. It is usually caused by lack of use of the buttonhole mechanism.
3. Either the arm that connects the camstack to the stitch length block or the block itself is stuck. Both these parts are spring loadedto bring them in the forward position, so long periods of rest are a contributing factor.
All of these causes except for the first one are because of the mechanism not being exercised frequently enough. These older Vikings do not like to sit still very longYou should fully exercise all the knobs at every sitting.
Ok, try this fix. And this is to free up the mechanisms that are probaby stuck from non use and old oil and grime buildup. Take your seamformer (cam) out of the back. Find a hairdryer and blow some heat in there for awhile. This will soften up any hard oil or grease that may be causing the mechanisms to stick. Then if you can it would be best to have what is called TRI-FLOW oil (the BEST) and spray or drop quite a bit into there covering the mechanisms and let it soak in. You might try a good sewing machine oil soaking or WD-40 in small amounts. Little by little test your knobs, slowly working whatever is stuck lose. Never force the issue. Small amounts of movement little by little will eventually free it up.
Good luck. Hope this helps. If this does not help you may have to take it to a technician and hopefully you won't find out that your take up slide isn't broken which is a major job.
SOURCE: reverse sewing button stuck HELP!!
MOdel 6430 has the stitch length and buttonhole selector on the same knob. It is the one on the bottom right side of the machine. I believe you may have selected the buttonhole by pulling out on the large round knob. You need to turn the knob back to 0 zero and push in. This should return the machine to normal mode.Adjust your stitch length to 3 and try it. The reverse knob in the center should also stick out so that it becomes operational again.
sewman7
SOURCE: Machine sews only in reverse
Be sure you are in the correct stitch pattern...if you are on a buttonhole stitch or a stretch stitch it normal for the machine to sew backwards. Be sure your length is to the right of 0 and not in a strtch stitch model or buttonhole mode.
Bonnie
SOURCE: The Reverse stitch button
The feed mechanism needs to be oiled. Take off the bottom cover and look for any place where two parts move against each other. Some binds can be very difficult to remove. Try spraying everything with a light weight oil (I like Tri-Flow) and let them soak over night. Then manually try to move the feed dogs with your hand. Hopefully it will break loose.
Good luck!
SOURCE: Husqvarna Model 6360 reverse button stuck
This problem comes about due to lack of useage usually. If the machine has been sitting for some time the grease inside hardens. The stitch length regulator, the pattern selector and the buttonhole mechanism could all be contributing to your problem. To fix it properly all three dials should be remove from the machine, disassembled cleaned, assembled and oiled lightly with a teflon lubricant. Since so much is removed from the machine doing this job, every setting in the machine is checked and or reset. It's a major overhaul and costs about $350 and only a handful of Viking Techs in the country can do it.
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