K3: A new wrinkle on no KPA problem?

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K3: A new wrinkle on no KPA problem?

Joe Malloy
Hi folks, thanks to those who offered advice on the failure of my KPA3
to actually amplify anything.  A new wrinkle has turned up as of this
afternoon when I resumed testing on it: the KPA3 works every now and
then very *briefly* and after it does I get the ERR 12V message on my
display which points towards a the circuit breaker.  I have checked the
circuit breaker out of circuit and it seems fine.  Anyone have a hint at
what I should look at/for?

Many thanks!

73,

Joe, W2RBA


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