[Elecraft] KPA500 going into standby

[George via Elecraft]

The HV at 61 is the high voltage reading during transmit on the  KPA500's 
readout. 
 
It has nothing to do with the 13.8 DC voltage feeding the TS480.
 
George  Wagner, K5KG
Sarasota, FL 34242
941-400-1960  

 
In a message dated 4/27/2015 6:04:38 P.M. Eastern Daylight Time,  
tnnyswy at yahoo.com writes:

 
>>> HV: 61 Volts  <<< 



George, question, are you  feeding the Amp 61 volts at 10 amps? 

I'm thinking the TS 480  requires DC Voltage at min of 18 to 22 Amps.
Please explain " HV: 61  Volts " 



((((73)))) Milverton /  W9mms. 



 
  
____________________________________
 From: George via Elecraft  <elecraft at mailman.qth.net>
To: elecraft at mailman.qth.net 
Sent: Monday, April 27, 2015 3:41  PM
Subject: [Elecraft] KPA500  going into standby


In working  the FQP this weekend, my KPA500 went into Standby on its own a  
few  times when it was transmitting.  I believe it only happened when I  
was  
on 10m.  

Here were the conditions:
Transceiver:  TS480
Power: appx 400 watts
Temp: 54C
Current: 10 amps during  tx

HV: 61 Volts
VSWR: 1.4:1
Antenna: 10m monoband  yagi

What would be a likely cause for this?

73, George,  K5KG

George  Wagner, K5KG
Sarasota, FL   34242
941-400-1960
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