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Static Electricity
Posted: Thu Sep 27, 2012 2:54 pm
by Shuen
Every time I touch the body(metal part) of the keyboard after i switch it off I will get static shock .. Is it normal? Anybody have the same problem?
Posted: Thu Sep 27, 2012 2:59 pm
by .Jens
No, it's not normal. I doubt that this is a Kronos problem. I would recommend to let someone check your supply installation - this can be dangerous.
Does it happen only in certain rooms, or everywhere? Is other gear (with metal housing) also affected?
Posted: Thu Sep 27, 2012 3:04 pm
by jeebustrain
I've had this problem in the past when I've plugged gear into outlets that were not properly grounded. I suggest you test your outlet to make sure it is grounded properly. You're really risking damage to your Kronos.
Posted: Thu Sep 27, 2012 3:08 pm
by .Jens
In this case (improper grounding) I would care less for the Kronos than for your own safety and health... !
Posted: Thu Sep 27, 2012 3:12 pm
by jeebustrain
.Jens wrote:In this case (improper grounding) I would care less for the Kronos than for your own safety and health... !
yea! that too

Posted: Thu Sep 27, 2012 3:27 pm
by SanderXpander
Make sure all your interconnected gear (Kronos, computer, printer, etc) is connected to the same ground. Ideally, using a single socket, if this won't overload it. Of course, make sure the socket is "clean" too. Lights with dimmers on the same group are usually a bad idea, and fridges are notorious for interference.
Posted: Thu Sep 27, 2012 3:30 pm
by jeebustrain
A lot of surge protectors these days have "bad wiring" warning lights on them - it'll throw up a warning if it detects grounding or some other issues. I would suggest you have something like that at the very least, a good UPS at best.
Re: Static Electricity
Posted: Fri Sep 28, 2012 7:07 pm
by lotty1
Shuen wrote:Every time I touch the body(metal part) of the keyboard after i switch it off I will get static shock .. Is it normal? Anybody have the same problem?
I had this happen to me on many occations. It appears the back of the Kronos is live.
This cannot be but still most time you brush your hand near the back of the kronos it tingle like there is mains there.
Worrying is it

Posted: Fri Sep 28, 2012 7:41 pm
by SanderXpander
Really sounds like a ground loop to me.
Posted: Fri Sep 28, 2012 8:05 pm
by JPWC
maybe it's because the poster dances around too much when playing the Kronos on their carpeted studio,
Static discharges are not "generally" too hazardous to people, (although repeat shocks can piss you off), but could negatively impact any electronic equipment and/or flammable substance.
Of course, by the wording of your message, we are assuming you only get one brief static discharge, and the electrical zap does not happen all the time. If it happens over and over again it time to stop turn it off and have your wiring investigated, poor grounding or miss wired electrical service can hurt you, your equipment and set the house on fire.
You should check this out, before something bad happens to you or your equipment.
Good luck and be safe
Posted: Fri Sep 28, 2012 8:19 pm
by SanderXpander
Static electricity can kill. It all depends where it's coming from. Probably not from walking with woolen socks on a high carpet. But lightning is static too. Unless it's obviously from a rug or something I'd be careful.
Posted: Sat Sep 29, 2012 6:55 am
by JPWC
Yes , any electrical charge static or dynamic can be fatal, that why I said "generally".
If lightning is coming out of his Kronos, well the gods must be crazy, and he has bigger problems than how his house is wired, he needs to move out now and leave the Kronos behind.
And if your using a pace maker all bets are off.
I question whether it is a static shock or a live AC Potential on the metal he is touching.
A Static build up by the operator should normally be discharge through one single event, but if the operator is getting a shock everytime he touch the metal parts, in a repeated manner, this may not be a static shock.
Hopefully the poster is doing well and can enlighten us with a better description of the nature of the shock.
What ever the situation "caution" must be exercised.
ELECTRICAL SHOCKS CAN BE FATAL!
Posted: Sat Oct 06, 2012 5:26 am
by Stevesan
As an old electrics engineer I would like to throw my 2 cents in on this. People have a very hard time making the difference between static and "real" electricity.
Static electricity build up is rarely due to bad grounding (even though it can be a sign of that). In fact, grounding could theoretically solve the problem with static electricity. BUT. and this is a big BUT: if an item (as the metal parts of a keyboard) gets statically charged it mostly means it is not grounded (by purpose!). If you were to connect the metal parts to electric ground, then you certainly would put youself in the hazard zone.
Unlike what people think, the electric grounds in your everday electric system is NOT a safe zone. It should be looked upon as a live wire, because if problems arise in your electric system (which could be brief or long-term) then you can be electricuted by the grounds wire. It is potentially very dangerous to touch ground connectors, despite that they are bare and most people think they're safe all the time.
My advice is: use cotton clothes, and if you have your keyboard on a rug - buy an antistatic mat and put it under the keyboard area.
Finally, as a side note: the electrical potential of the ground is not zero. It could potentially be any voltage. But a few volts up to a 15-20 volts is not uncommon. I'm not going to explain why here, but this also could mean that a well-grounded equipment has a (minor) electrical potential which may give you small "chocks" (harmless though) if you are grounded yourself to a surrounding of lesser electrical potential.
Check your outlet's ground for sure. But I think there's little risk something is wrong there. Your socks on the other hand... that's where I'd check. (I didn't say smell!) Cotton is the key to static free life. Get rid of plastic clothes and you're never bothered again.
Posted: Sat Oct 06, 2012 6:34 am
by JPWC
The original poster has not got back to us, I hope he has not been electrocuted.
Posted: Sat Oct 06, 2012 7:07 am
by Dniss
SanderXpander wrote:Static electricity can kill. It all depends where it's coming from.
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