Is the LOA500 connected to the correct antenna port!?  Very important. 

Sent from my iPhone
...nr4c. bill


> On Oct 25, 2016, at 6:22 PM, Byron Peebles <[email protected]> wrote:
> 
> Thanks to all who have sent suggestions on how I might resolve my "KAT Not 
> Tuning" issue.
> 
> Here's what I think I know so far:
> 
> 1. The KAT seems fine.
> 2. The P3 Output Monitor thinks it sees 0.6W on the antenna line after the 
> KAT.
> 3. This implies to me that the K3S thinks it is tuning with 25W, but it isn't.
> 4. This implies that the KAT isn't tuning due to low drive (and maybe it's 
> already tuned).
> 
> 5. Last night when I ran one of the Utilities, probably the KPA one, I though 
> I saw an Fxx code streaming into the text box on the MACRO tab of the 
> utility.  I thought it might be F00F00F00, but I'm not sure.  That could be 
> some communications error between the KPA and the K3S, but it isn't happening 
> now.
> 
> 6. The HIGH SWR display at the K3S is 11:1 plus/minus in TUNE (25W) when the 
> KPA is STANDBY and 9:1 plus/minus when in OPERATE and 15:1 when the KPA is 
> OFF.  In all three situations the K3S thinks it is outputting 25 watts, but 
> it doesn't seem to be.
> 
> 7. If I key the radio in KPA OPERATE it looks like the KPA is outputting 30 
> or 40 watts if you trust the display.  Varying the K3S output doesn't have a 
> corresponding change in KPA display, it just moves from 30 to 40 to 30 out. 
> That happened once but I cannot repeat that test result.
> 
> 8. I have powered-off the KPA with the rear switch and discconected "the 
> mains".  This should have reset any hard faults.
> 
> 9. The FAULT LOG shows the last error as "60V Supply Over limit" if the 
> latest is at the top, or "Excessive Reflect4ed Power (High SWR)" if the 
> latest is at the bottom.  There is no timestamp so I cannot be sure when 
> these occurred, but an occasional HIGH SWR happens as I tune and fiddle with 
> antennas.  (Sometimes I forget to retune a segment.)
> 
> Should I suspect control cable issues or something internal to the KPA?
> 
> Thanks, and 73, Byron
> 
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