[Elecraft] Bizarre K2 keyer issue

[Drew AF2Z]

At the risk of stating the obvious, check your key cable & plug. Sounds 
like it is intermittently shorting producing longer dahs & extra dits.

73,
Drew
AF2Z


On 08/28/18 16:08, LL wrote:
>   This is the weirdest thing ever.
> 
> So my wonderful K2, #4442, was pressed into service once again, a few
> months ago, after some needed TLC from Alan Wilcox.
> 
> All was fine. In fact, it was all wonderful!
> 
> So I just built a new antenna; got it up yesterday, it's a 40M full-wave
> Delta Loop. Hoping for some DX.
> 
> Early last evening, I got some plugs on the end of the feedline, and
> connected both antlers to the rig. After comparing received sigs, I decided
> to call CQ, and compare RBN results. But someone replied, and I began a
> QSO.
> 
> That's when this trouble began. I was unable to send intelligible code;
> extra dits were being inserted. I tried changing menu settings, fiddled
> with the key. I finally had to just bag the QSO and go QRT.
> 
> This never happened before. Whether operating, or in test mode, the keying
> is intermittently whacky. It will sometimes send a couple or five extra
> dits. In HAND mode, it will extend dahs, randomly.
> 
> As mentioned, this happens when transmitting, and it's the same when in
> TEST mode, so it's not caused by RF.
> 
> I've tried a couple of different keys; same.
> 
> I tried to attach a brief vid showing persistent dits, but it didn't post
> to the list. Let's try this: it's a brief vid of me sending
> <https://www.dropbox.com/s/0pdb2m9pdpv2frp/20180827_194056.mp4?dl=0> CQ CQ
> DE K3ESE K3ESE K - and the keying is correct. What comes out, not so much.
> 
> Any ideas...??
> 
> Lloyd, K3ESE
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