[Elecraft] Broken relay in KAT2

[Charles Greene]

Tom and Don,

I think the problem has cured itself.  Now only the ant1 external meter 
reads power when ant1 is selected.  Before both ant1 and ant2 were reading 
power when ant1 was selected.  There's no indicator on ant1, just on 
ant2.  I was mistaken about that.  Tnx for the response.

At 07:54 AM 4/1/2005, Tom Hammond wrote:
>Charles:
>
>I'm not aware of ANY 'signaling' in the KAT2 which 'senses' relay 
>position. As a result, even though the relay might be stuck, there's NO 
>REASON I can think of that the indicator would remain on ANT1 unless the 
>logic is not telling the relay to switch... e.g. the logic should still 
>think ANT2 has been selected and it should still illuminate the ANT2 LED 
>regardless of whether the relay switched or not!
>
>73,
>
>Tom   N0SS
>
>At 08:40 PM 3/31/05, you wrote:
>>Hi,
>>
>>One of the relays in my KAT2 is stuck or a relay contact is shorted. When 
>>you select antenna 1 it is ok. When you select antenna 2 both antennas 
>>are selected (bad), and the indicator stays on Ant1. I guess replacing 
>>the relay is necessary. I don't know why it stuck. I first noticed it 
>>this morning while running the 5 watt beacon on 14102 KHz testing my EH 
>>antenna against my Hustler 6BTV vertical. Both external SWR meters read 
>>and the antenna was detuned. The beacon software is not supposed to hot 
>>switch, and the SWR on both antennas is less than 1.8:1. I have been 
>>running the beacon for over a month, and it switches antennas from 1 to 2 
>>and back to 1 every 5 minutes. We have had only one lightning storm since 
>>the summer, and that was about a month ago. My K2 is S/N 462, but it has 
>>not seen hard or frequent use. Seems the relays should be good for more 
>>cycles than that.
>>
>>  Any suggestions which relay is malfunctioning or why?
>>
>>73,  Chas,  W1CG
>>_______________________________________________
>>Elecraft mailing list
>>Post to: Elecraft at mailman.qth.net
>>You must be a subscriber to post to the list.
>>Subscriber Info (Addr. Change, sub, unsub etc.):
>>http://mailman.qth.net/mailman/listinfo/elecraft
>>
>>Help: http://mailman.qth.net/subscribers.htm
>>Elecraft web page: http://www.elecraft.com

73,  Chas,  W1CG