I know I'm preaching to the choir here but once again Elecraft has proven
they have the best customer support in the world!
After a recent portable operation with my K2 and KPA100/KAT100 in an EC2 I
returned to find that the K2 would no longer control the amp and tuner. A
quick swap of the QRO and QRP lids isolated the problem to the KIO2 in the
K2. A check of the email archives suggested one of the subminiature RFCs
was likely the problem. A quick check with the DMM showed that L1 on the
AUX2 board was open. This is the 12V control line for remote connected
devices. A quick email to Elecraft and Richard verified this was the cause
of the problem. I sent back asking if this RFC was susceptible to failure
due to high current when used with the remote KPA100. He wrote back and
said yes and forwarded a copy of Lyle's (KK7P) article on remoting the
KPA100 which specifically recommends replacing the subminiature RFC with a
torroid wound on an FT23-43 core similar to L5 in the KIO2.
I was all set to order one from Elecraft when Paul, Gary and Scott each
sent emails telling me that they were sending me a couple of cores and some
wire. Are these guys great or what? I had also suggested they consider
changing the kit to replace the subminiature RFC on the AUX2 board with a
torroid version and it sounds like they will be doing that soon. What
other company provides such service. Outstanding! They truly are the best
in the world for customer service.
Unless Elecraft doesn't offer it, all gear in my shack will be Elecraft!
73,
Mike WA3KYY K2 #2221
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