Getting “tingle” from my machine.
503 Singer bought new in the 1960’s by my Aunt so I am 2nd owner. Good shape, sews great. When I lay my right arm on the machine bed to begin sewing, I get a mild electric “tingle”. As the machine begins to pull fabric, I automatically move/raise my arm so it’s not bothering me then. I do unplug when not in use.
a). Should this worry me ? b). Will it be a costly fix ? |
A. Absolutely.. if electricity is going where it shouldn't, it can kill you. Obviously, not yet but old wiring isn't always up to the task. I know the 503 uses an odd connection to the head, but can you borrow another power supply and check it out? plug it into a ground fault outlet if you can, next option should be a power strip with a breaker.
Others will have some ideas too. |
It already worries me. Have no idea of the cost for fixing it, but the cost for not fixing it - you - is way too high.
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I spotted a controller with cords for around $40.00 Still could be your lamp or something in your motor. If you are near Kansas I'd let you try a power supply. Don't try it barefoot.
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be very care full
Sounds like you have a ground fault . Could be a easy fix maybe some thing loss. But make sure you never touch some thing else that is plugged in even if it is turned off. |
The controller shouldn't cause any tingling or rogue current in the machine itself if it needs to be checked. Check insulation on the electrical wiring and plug ends, you should be able to detect were something has gone wrong. Have someone check it for you, these machines are made to a high standard and something is wrong if it happens.
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I'm one of those people who is sort of scared of electricity so I would definitely have it checked out. My OSMG charges about $125 for a thorough cleaning and check up and I consider it money well spent. I'm probably going to take my new white FW to him for a general checkup just to make sure everything it working okay.
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Voltage meter
Originally Posted by tranum
(Post 8148839)
503 Singer bought new in the 1960’s by my Aunt so I am 2nd owner. Good shape, sews great. When I lay my right arm on the machine bed to begin sewing, I get a mild electric “tingle”. As the machine begins to pull fabric, I automatically move/raise my arm so it’s not bothering me then. I do unplug when not in use.
a). Should this worry me ? b). Will it be a costly fix ? |
A good idea about the voltage meter. make sure you have it in a 110 A.C. range and have one probe to a bare screw. Enamel doesn't conduct electricity very well.
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Yeah, that "tingle" is when the electrical system of the sewing machine connects to and confuses your electrical system, including your heart. No machine is worth the risk IMO
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These machines do not have polarized plugs. With a polarized plug, one blade is wider than the other, so you can only plug the machine into the outlet one way. With these old machines you can insert the plug into your outlet in any of two combinations. If you happen to plug it in one way, and another appliance near you is plugged in the other way, you will get a voltage potential between the appliances. Running the machine will increase the potential, making the tickle stronger. If anyone is interested I can set up some test gear and post a video in a day or so, along with a fix.
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Originally Posted by Sewjourner
(Post 8149742)
These machines do not have polarized plugs. With a polarized plug, one blade is wider than the other, so you can only plug the machine into the outlet one way. With these old machines you can insert the plug into your outlet in any of two combinations. If you happen to plug it in one way, and another appliance near you is plugged in the other way, you will get a voltage potential between the appliances. Running the machine will increase the potential, making the tickle stronger. If anyone is interested I can set up some test gear and post a video in a day or so, along with a fix.
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There shouldn't be any external current in the machine body, even by 1960 standard. By 1950 the double insulation mark was pretty much standard on most electrical appliances, at least in Nothern Europe. My 1950 201 has it. I think Singer kept the same high standard were every the machines were made, even though different countries had different standards. Very few domestic machines had three core grounded wire (the same for modern machines). I have only seen a single 201K23 with three core grounding so far. If there is any problem, have the wiring checked, a clever guy will find soultion.
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Yikes!! That's scary! Lots of good suggestions here - I would definitely get it checked!
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Have you had a chance to have it looked at yet?
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My husband is a retired electrician and he says it is reverse polarity because the prongs on the plug are the same size. As suggested above, he says turn the plug over.
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