Try this with your YaeComWood service dept. Last night I noticed that my Sub RX would not work on 12 or 10 meters. When the Sub was switched on I would get an ERR-PLL in the B VFO on one of my K3s. I did a check on the other K3 and it worked fine on all bands. A quick look at the manual said that I probably had an issue with my KSYN3 module. When pushing DISP and looking at PLL2 I had a PLL2 *7.5 in the B VFO. This indicated an over voltage situation. Well, as it only occurred on 10 and 12 I did not want to start moving boards around, so I did all the appropriate calibrations. 10 meters started to work, but 12 was still failing. This morning at 06:54 eastern time I sent an email off to Elecraft-Support. At 13:35 I received a response with a suggested plan of action, specifically to install a 180K resistor on the KSYN3 board. I finished that at about 15:00 and now BOTH K3s work fine.
Total elapsed time from request for service to resolution = 8 hrs and 1 ½ of those were caused by me not starting the fix when I received the email. Subtract a few more hours for time zones and the start of the 'typical' work day. 8 - 1.5 - 2 = an elapsed time of about 4.5 hours. Once again - OUTSTANDING service from Aptos and Gary Surrency. 73, Bruce - N1LN K3 # 1062 K3 # 1193
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