Hello Bruce and welcome! Low rx on 15 meters suggests the input band pass filters might not be properly aligned.
I'd go through the whole alignment procedure just to be sure it's right, starting with Alignment and Test Part II in the manual, then going on to Part III (that's where you'll find the band pass filter alignment that affects receive and transmit, including transmit current demand). The current demand of the K2 at full power varies from band to band. Also the current required varies according to the SWR of the load (antenna or dummy load). If realignment doesn't stop the HI CURR message, suggest you try setting the current to 3.9. For aligning the crystal filters, using Spectrogram is the simplest and most accurate method. The procedure is described in http://www.elecraft.com/Apps/new_fil_docs/k2_ssb_gram.pdf There is a shareware (no cost) version of Spectrogram available at: http://www.n0ss.net/index_k2.html Scroll down near the bottom of the page. There are also some other docs describing the process. NOTE: The owner of that web site, Tom, N0SS, was one of the earliest Elecraft enthusiasts and contributed greatly to the development of the K2 and subsequent products. Sadly, Tom lost his battle with cancer and became a silent key a few months ago but his web site is still up and running - for now. Another very knowledgeable K2 "Guru" is Don, W3FPR, who would have answered your question here by now but he is on vacation for a few days. Good luck, and just ask if you have any further concerns or questions. One of us K2 owners will step in to fill the void as best we can, Hi! Have fun & 73 Ron AC7AC K2 1289 -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of G. Bruce Robinson Sent: Thursday, December 15, 2011 10:39 AM To: [email protected] Subject: [Elecraft] K2 questions This is my first post to the reflector. I did not build this K2 (#3575). I do have all the manuals and have read them extensively trying to figure out what to do. The radio has most options installed and I have used it a good bit. I have noticed a the Hi Curr, message on occasion. This morning I checked it on all bands at various power settings. I had previously increased the current setting from 3.5 to 3.8 to try and stop the message from appearing. With the Current set to 3.8 the only bands where the HiCurr message appeared were on 20M when the power was 90W or higher and on 17M when power is 80W or greater. I checked each band starting at 75W and going up in 5W steps. I did this while connected to a 50 ohm dummy load and in CW mode. No message was seen at any power setting on any of the other bands. I did notice a couple of other issues. First, on the higher bands the radio was not putting out full power. It was putting out more than 110 W on some bands. Here is what I found: 10m- 80W 12M-80W 15M-90W 20M-100W 40M-125W 80M-120W As indicated on my external watt meter. And finally, the audio level was approximately the same on all bands except 15m which seemed to have only about 1/2 the volume as all the other bands. Any advise on how to proceed will be appreciated. Thanks in advance for your help. Bruce R. Oxford, MS KF5IMA ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
