[Elecraft] K3 does not fully powering down

[Andrew UK]

Dear Dave,

 

I Have nothing connected to the rea, I will have to study the circuitry and
see what has blown up.

 

BR

 

Andrew

 

From: Dave Fugleberg [via Elecraft]
[mailto:ml-node+s365791n7629133h59 at n2.nabble.com] 
Sent: 08 April 2017 15:06
To: Andrew UK
Subject: Re: K3 does not fully powering down

 

Do you have anything connected to the 15 pin accessory jack on the K3? 
I had the same symptom once last year, and tracked it down to a wiring 
fault in a homebrew accessory cable. 
If you do have something connected to that jack, try unplugging it 
temporarily to see if the power down issue goes away. 
73 de W0ZF 
On Sat, Apr 8, 2017 at 6:46 AM Andrew UK <[hidden email]> wrote: 


> Hi 
> 
> K3 08206, failed to power down, pressing the power button turned off the
K3 
> display and the normal clicks were heard, but the LCD light remained on. 
> pressing the power button again, would not bring the K3 on. Only removing 
> the 13.8V for a few seconds and powering on brings it back. However the K3

> will still not turn off properly. 
> 
> I have saved the config, updated the firmware, and reset the K3 by
pressing 
> shift and powering on. I still have the same issue. I have not got
anything 
> attached to the rear apart from the Linear amp key line, and that has been

> removed. 
> 
> It looks like a hardware fault, if someone can give me some guidance. 
> 
> BR Andrew Lenton G8UUG 
> 
> 
> 
> 
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