Posted by Howard Stephenson - K6IA on Dec 19, 2018; 4:50pm URL: http://elecraft.85.s1.nabble.com/k3-High-Current-Message-on-10-meters-tp7347172p7647242.html
Harv,
Make sure that you are getting 13.8V at the K3 when it's in TX
Tap DISP and turn VFO B to **.* V to read that voltage.