Husqvarna prisma 980

Question edited for dreadful misspelling of maker name :>D
Question moved from Misc category.

The most likely reason is that you are in embroidery mode.

https://www.google.com/search?q=husqvarna+prisma+980+embroidery

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Hello, here is website to download manual
Viking Husqvarna Sewing Machine Manuals PDF and CD

check with a Husqvarna dealer or a sewing machine shop in your area, and you can even try ebay,, sewvacdoctor.com, a1sewingmachines.com and see if they can help you.. as far a saying if the machine will sew with out it,, I really can't say for sure..

it is possible that it's a computer problem,, the machine is probably
going to have to be checked.

I found a Classica 90 that wouldnt reverse. When I took it apart I realized the stitch width mechanism was stuck.
The reversing mechanism manipulated that part to reverse. Problem- mechanism and shaft super stuck. I took it out and forced the shaft to turn and lubed it with a general thin oil. I didn’t know the mechanism; or anything about sewing machines. The give-away was a spring connected to the mechanism. Since it was stuck the spring didn’t seem to have any function..... until I realized it had to be moving. Hope it makes sense.
One screw top back to removed cover. It glides up.
1 screen behind reverse button removes front cover. Also slides up. You reach from behind to get the mechanism out( 2 screws holding small shaft. 2 springs off also. )
Front cover needs to come off to dissemble stitch width turning nob. Has to come of to release the reversing/stitch width mechanism.
It’s not as difficult as it look. You might need a small plier to put springs back in place
Foto shows the stitch width mechanism. The front spring is attached to the part that was stuck.

Sound like you have an electronic problem.

First touch the "P" button, the #1 will appear in the left digital window. Choose the first letter you want to sew and then push the reverse button, ( the button furthest to the left with the upside down arrow on it) that puts your first letter into memory. Then select your next letter and push the reverse button again. Repeat the process until your word is programmed into the machine.You can start sewing immediately by pressing on the foot control. Pressing the finishing button (Bullseye) before you start to sew, will make the machine tie off each letter so you can cut the joining stitches. Husqvarna may be able to make you a copy of the manual. They can be reached at: 1-800-474-6437 Good Luck

Hi,
On that machine, the cassettes aren't actually computer chips. Each cassette has a little spot of white on a certain little area you must find (top right I'm pretty sure). Look in the machine at that point. There is a sensor that looks for that white spot, and as it identifies it, it changes stitches according to that cassette. Either the sensor is blocked, gone bad, or you can put a fresh coat of white paint on with white out. I hope this helps.
Kent

The mechanism requires lubrication from the back, would be best to have machine serviced.

Hi,

I too just aquired a husqvarna viking 6030 that was stuck in straight-stitch reverse. No forward, no zig zag, no button hole, no cam stitches. I also suspected a broken spring, since the reverse button was slack and had no resistance. But after inspecting every moving part, I realized it was just stuck from many years of non-use. I finally got it free today! I had used some Tri-Flow oil and applied it sparingly to all moving points (but not belts or motor). I exercised all the buttons and like another poster (either here or elsewhere, not sure) I used my hair dryer to apply heat to the inside of the machine through the cam slot. After you remove the white cover on back of machine that holds the two spool spindles, you will see a formed aluminum part just behind the reverse dial that has a rounded-pointed protrusion which sort of looks like a fat flat head screwdriver. It is supposed to travel in an up-down motion when reverse button is pressed. I used a flat head driver to coax its movement, and once it began moving, I continued with heat and drops of oil. Good luck.