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The light only works half the time. This has gone on for the entire life of the machine. The switch, when it works, turns on the bulb in both the top and bottom positions, depending on where it was when the bulb went on/machine was plugged in. I replaced the bulb, but it didn't help. Could I have a short?
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The light from a light bulb is caused by the metal filament being white hot, over 1000 degrees Centigrade, so touching hot isn't too much in those circumstances! However there may be a ventilation problem in the bulb area but our machines are just the same in the bulb area. A bulb that has gone black has had an air leak into the glass envelope and this it may well be a just poor quality bulb.
Are you getting the correct bulb? Some shops will supply one for a normal light which has a weaker construction and is not suited to vibration and working in an enclosed area. If you (or the shop) use a bulb with a higher wattage than specified with the good intention of supplying a better light it could also be supplying more heat....
A genuine Janome bulb - if you can get one - may cost more but should last a lot longer. I don't want to say your sewing supply shop is not providing the right bulb but ....
The other possibility is that you have just had a run of bad luck to counteract someone else's good luck of not having a bulb blow. Sorry (but thanks!).
Finally, try to avoid touching the bulb with your bare hands when you fit the new one. All peoples, everybody's, hands have a natural layer of oils on the surface that can cause hot spots on a bulb surface and make it blow. If you have any acetone type thinners (nail varnish remover) give the bulb a wipe over with that before fitting to make sure it is thoroughly clean and use a piece of new clean cloth to hold it when you are fitting the bulb.
When you say the 'top left side' do you mean behind the takeup arm or are you talking about the handwheel end ? I assume you replaced the bulb because it had gone out ... if so, it's possible that the power supply unit ('L'-print) has gone faulty - this is on the back of the machine, but its possible that smoke has found its way to the openings around the takeup arm and foot lifter. Best thing is to have it checked-out by a Bernina service agent.
sounds like a capacitor, circuit board or something electrical has gone inside it; I'd suggest taking it to a Bernina service centre for deeper diagnosis as this is an electronic machine and more complex that a standard mechanical machine.
The machine should have came with a light bulb tool, to help you get it out.
Very very hard to do that with out the tool.
You can get it at your local bernina dealer, or they should change it for free.
Does that machine have a power switch on the back top of the machine, there is a good chance that if it does it is bad. They go bad all the time. Some dont have the switch.
Either the bulb has burned out or you have accidentally turned the control to darken the screen. Look in the top where the feet are stored. You should see a half moon shaped valve on the inside edge of the top front - that is the control for the brightness/darkness control of the screen.
Switch power off first. On the top left hand side of the machine towards the front is a small hole. Insert small screwdriver in hole and push down. The light bulb will appear underneath just to the left of the presser foot. Whilst holding down the screwdriver firmly, turn bulb anti-clockwise pushing slightly upwards at the same time. Bulb should dislodge.
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