[Elecraft] K3 LEDs light up, but won't come to life

[Mike Harris]

13.8V from an Alinco DM-330MW switcher

Mike VP8NO

----- Original Message ----- 
From: "Guy Olinger K2AV" <olinger at bellsouth.net>
To: "Mike Harris" <mike.harris at cwimail.fk>
Cc: <elecraft at mailman.qth.net>
Sent: Tuesday, November 23, 2010 6:04 PM
Subject: Re: [Elecraft] K3 LEDs light up, but won't come to life


What is the power supply supply voltage?            73, Guy.

On Tue, Nov 23, 2010 at 3:58 PM, Mike Harris 
<mike.harris at cwimail.fk> wrote:
> Hi,
>
> I've started to notice this in the past couple of months. I turn
> the PSU off for a few seconds, then back on and all is OK. It has
> happened maybe a dozen times.
>
> Regards,
>
> Mike VP8NO
>
> ----- Original Message -----
> From: "Eric Rosenberg" <ericrosenberg.dc at gmail.com>
> To: <elecraft at mailman.qth.net>
> Sent: Tuesday, November 23, 2010 5:49 PM
> Subject: [Elecraft] K3 LEDs light up, but won't come to life
>
>
>> thi has happened three times:
>>
>> I turn on the K3, the LEDs on the four knobs under the display
>> light up, but
>> the display stays dark and I cannot power it off with the power
>> button.
>>
>> I have to disconnect the power, wait a little bit and re-connect
>> the radio.
>> It comes back to life when I power it on.
>>
>> What's happening?
>>
>> Eric W3DQ
>> Washington, DC