KRX3 Installation ; ERR VCO 00227

[George Sereikas]

After installing the latest firmware, I installed the KRX3 that I just  
received yesterday. All went smoothly until I went to Calibrate KsYN3  
(p 43 in KRX3 Manual). I keep getting ERR 00227 VCO. I also received  
the ERR 00228 VCO one time.

Any ideas where I might look to solve this issue?

Thanks!

George
K2WO
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[Barry N1EU]

George Sereikas wrote

After installing the latest firmware, I installed the KRX3 that I just  
received yesterday. All went smoothly until I went to Calibrate KsYN3  
(p 43 in KRX3 Manual). I keep getting ERR 00227 VCO. I also received  
the ERR 00228 VCO one time.

Any ideas where I might look to solve this issue?

You should contact Elecraft tech support.

73,
Barry N1EU

[dj7mgq]

>> After installing the latest firmware, I installed the KRX3 that I just  
>> received yesterday. All went smoothly until I went to Calibrate KsYN3  
>> (p 43 in KRX3 Manual). I keep getting ERR 00227 VCO. I also received  
>> the ERR 00228 VCO one time.

Before calling Elecraft, you could try pulling the synthesizer, check
that nothing could be shorting to the shield and then reinstalling it.

After I installed my KRX3, my original synthesizer was giving me similar
error codes. In an act of wild desperation, I pulled it and plugged it
back in, adding two washers (one left and one right, if I remember
correctly) so that it was tad further away from the shielding. Since
then I have not had any more problems.

I assume that it was moved a tiny bit closer to the shielding while I
installed the KRX3, bringing it close enough to make contact. The two
washers I added were in the installation manual for the KRX3's VFO but
not in my (early) construction manual for the basic K3 (#67).

Hope this helps.

vy 73 de toby


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[gdaught6]

> >> After installing the latest firmware, I installed the KRX3 that I just  
> >> received yesterday. All went smoothly until I went to Calibrate KsYN3  
> >> (p 43 in KRX3 Manual). I keep getting ERR 00227 VCO. I also received  
> >> the ERR 00228 VCO one time.
>
> Before calling Elecraft, you could try pulling the synthesizer, check
> that nothing could be shorting to the shield and then reinstalling it.
>
> After I installed my KRX3, my original synthesizer was giving me similar
> error codes. In an act of wild desperation, I pulled it and plugged it
> back in, adding two washers (one left and one right, if I remember
> correctly) so that it was tad further away from the shielding. Since
> then I have not had any more problems.

I encountered a similar problem when calibrating KSYN3 for the subreceiver:

ERR DSE        E 027979

I turned it off, and back on.  I set the sub filters, and redid the auxiliary KSYN3
calibration.  All went well, and everything seems to work.

A couple of times when I've had problems right after a configuration or calibration
change, turning the K3 off and back on has cured whatever the problem was.  Nuffin
like a cold reboot!

73,



George T Daughters, K6GT
CU in the California QSO Party (CQP)
October 3-4, 2009


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[ww2r]

I had a similar issue with mine last weekend, but the error code on the sub
vco was 00374

I swapped the sub and main vco resulting  in the error repeating on the main
vco

It appeared to be a board issue. So I called Aptos monday who advised me to
open up the toroid on the vco board and spread the turns slightly.

Been on a road trip since so havent had chance to try yet

Dave

ww2r



Message: 8
Date: Tue, 9 Dec 2008 12:50:43 -0500
From: George Sereikas <[hidden email]>
Subject: [Elecraft] KRX3 Installation ; ERR VCO 00227
To: [hidden email]
Message-ID: <[hidden email]>
Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes

After installing the latest firmware, I installed the KRX3 that I just
received yesterday. All went smoothly until I went to Calibrate KsYN3
(p 43 in KRX3 Manual). I keep getting ERR 00227 VCO. I also received
the ERR 00228 VCO one time.

Any ideas where I might look to solve this issue?

Thanks!

George
K2WO



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[ww2r2]

I got chance to try the fix recommended by Aptos today

As there is virually no lead length between the end of the windings and the
connections to the pcb, it was a challenge to move the end turns, but by
spreading the turns between the end turns the err vco 00374 no longer
happens

Dave

ww2r

 


>Date: Tue, 9 Dec 2008 18:29:25 -0600
>From: <[hidden email]>
>Subject: Re: [Elecraft] KRX3 Installation ; ERR VCO 00227
>To: <[hidden email]>
 

>I had a similar issue with mine last weekend, but the error code on the sub
vco was 00374

>I swapped the sub and main vco resulting  in the error repeating on the main
>vco

>It appeared to be a board issue. So I called Aptos monday who advised me to
open up the toroid on the vco board and spread the turns slightly.

>Been on a road trip since so havent had chance to try yet

>Dave

>ww2r
 

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