[Elecraft] K2: HI CUR warning

[Matt Patterson]

Hi,

I worked a little bit of the SSB contest this weekend.  I noticed last 
night I received the HI CUR warning a couple of times.  The antenna is a 
40m delta loop.  I have checked the SWR and it never gets above 2:1 on 
the entire band.  I also use the internal ATU to get it down to 1:1 when 
I'm transmitting.  I am using a heil goldline with a HC5 cartridge for 
the mic and the mic gain was set to 3.  I have never had the HI CUR 
warning occur while operating CW only in SSB.  I looked up HI CUR in the 
manual and it says that it's usually to do with the radio trying to 
drive the finals at a higher output than what they are rated.  I can 
connect a dummy load and set the radio to 10 watts then hold down the 
TUNE + DISPLAY buttons to put the radio in tune mode bypassing the ATU 
and the radio is putting out the correct amount of power which leads me 
to believe that the issue has something to do with the mic.  Do you 
think I have the mic gain set too high? I have since backed it down to 1 
and it hasn't done it since but it wasn't doing it everytime when it was 
set to 3 so I really don't know if that fixed it or not.  Is there 
anyone else who uses a Heil Goldline with their K2?  Am I even going 
down the right path troubleshooting wise?  Or should I be looking at 
something else?

73 Matt
W5LL