uBitx Blowing Fuse on 20 Meters

Scot McMath
 

My uBitx 4.3 blows the fuse in the 12 volt power line on 20 meters transmitting CW into a dummy load. None of the other bands will do this. Power out on 40 meters seems high, about 15 watts. Will backing down RV1 help?

Scot WB7AVU

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