[Elecraft] K2 # 6745 Low Voltage.

[Don Wilhelm]

Skip,

I assume the number in the subject line is your K2 serial number (it 
would have been good to make an explicit statement).
If that is true, then you have P7 on the control board (a 3 pin header 
plug) - K2s below SN 3000 have a switch.
The jumper on P7 must be on the INT setting to read the K2 internal 
voltage.  Yes, it will also give you a LO BATT message if the jumper is 
on the EXT position.

If you already have the jumper on the INT position, then you have some 
problem with the control board voltage sense circuit U3B and its 
associated components.

73,
Don W3FPR

L. T. Stem wrote:
> Over the weekend I was operating portable, and tuning became a problem.
>
> The display indicated "Low Battery" although the rig has no battery installed. Also the secondary menu display is showing 6.5 V vice 13.2 V while working under normal operation. I suspect that this is the reason for the "Low Battery" indication.   
>
> At this point, I did not have a transmit capability. 
>
> Any suggestions?  Thanks in advance.
>
> 73,  Skip  WB4DAD
>   
>