Before you start taking parts off, watch out for the computer boards that are built inside. These boards replace the old fashioned gears and pulleys. It is best not to remove or try to fix the computer boards. If you have an older Bernina, they are very straightforward in disassembling. You just have to be methodical and remove the different holding screws for each part. Just remember how the parts go back on so you have no reassembly problems. Some common Bernina sewing machine problems have already been discussed here. Those would be the loose connections and plugs as well as the needle placement, look and tightness. Other common problems are the drive belt, the power cord and the timing belt. These may become loose, frayed or stretch at any given time. Once those issues take place, you should replace them.Īnother common problem may be loose threads hiding in the bobbin casing. These can interfere with your sewing machine’s operation as well as jam threads as they are being stitched. Then if you are using old thread, it may break on you. Check the thread spool you are using to see if the thread is old or dried out. The latter issue may create a lot more fuzz than the machine can handle at one time. If you have a Bernina 780 and it won’t turn on, just turn the machine off again and wait for about 3 hours. This should reset the electronic parts inside. If you have a Bernina 880 the cause for not turning on may be the battery inside.įor the Bernina 440 it may be a bad power board that keeps your sewing machine from turning on. On the 220 it could be something as simple as a loose or blown fuse. Check the fuse which is in the power supply section. These are just a few examples of what may be the problem with your machine. It is not just a matter of a loose power cord or a bad power switch, which could also be the reason your machine doesn’t turn on.
The location of the buzzing will depend on if you can fix it yourself or if you have to take the machine into a repair shop to get the buzzing to stop. If the buzzing is coming from the motor, it may be the suppressor that is going bad. This problem requires you to take it to the repair shop to get it fixed. If the buzzing is coming from your foot pedal, then this is something you can do yourself. Just open up the foot pedal and remove the suppressor and throw it away. But those issues are for the Aurora 450 model.įor the 550 QE model it may be that the bobbin winder was engaged when it should not have been. Always check for the easiest problems first before going to a repair shop and racking up costs you may not have to spend in the first place. This can be a common problem among different Bernina machines. It seems to be consistent with the 530, 730, 830 and 930 models and there may be two causes for it taking place.įirst, one or both white plastic gears are broken and to get these fixed, you do have to go to the Bernina repair service. They will have the correct parts to fix your machine. Even if they are cracked, the hand wheel should stop spinning.
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