I can't answer your question but when I still had my KPA500, I had that
same issue. Got in the habit of always checking the power setting
before keying when I put the amp into OPR.
73,
Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County
On 7/5/2020 2:07 PM, Tom Doligalski via Elecraft wrote:
I have a relatively old K3, which I use together with a KPA500 and a KAT500.
Most of the time this works flawlessly.
However, occasionally the K3 gets confused and doesn’t realize that the KPA500
is in “Operate” mode (rather an in standby). This results in the K3 sending 100
watts to the amp, and the amp faults.
Again, this doesn’t happen often, and I can’t ascertain why it occurs. Most of
the time all is OK.
The K3, KPA500 and the KAT500 all are running the latest firmware.
Any idea?
73
Tom W4KX
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