[Elecraft] KRC2 Failure

iain macdonnell - N6ML ar at dseven.org
Sun May 6 15:59:12 EDT 2012


On Sun, May 6, 2012 at 12:42 PM, Jim Brown <jim at audiosystemsgroup.com> wrote:
> For about two years, I've had a pair of KRC2s in my SO2R station, each
> driving a WX0B switching matrix for W3NQN filters.  They have worked
> fine.  Friday, our power was off so that PG&E could do some maintenance,
> so I pulled power from a bank of power pole outlets that feeds one of
> the KRC2s to minimize discharge of my backup batteries.  After restoring
> power, the KRC2 has failed, in the condition that the WX0B matrix (only
> relays) does not pass signal.  If I remove power from the KRC2 the WX0B
> box does pass signal.

Could it be selecting the wrong filter (different band), perhaps?
Suggest measuring the voltage at each output on the terminal blocks
inside the KRC-2, as you change bands....

73,

    ~iain / N6ML


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