Elecraft Group.....
Resent - Sorry if this is a Dupe!
Just working CW on 15 Meters with my K3 and KPA500 when I noticed the
Power Output LED Indicators starting to drop and continuing until all
were out and the PA dropped out of the Keyed Mode. With KPA500 is
attached with the AUX Cable to the K3 the Symptoms are: (Note: Unit
has been in operation w/o any issues for 3 to 4 weeks)
1. Unit is powered up
2. In the "OPER" Mode, No Keying Up or any indications of any power output
3. In the "STBY" Mode, LED's indicate both 100 Watts and a <1.5 SWR Reading
Again in the "OPER" Mode there is no indication of either a Relay
Keying Up or Power Output. Obviously these are related. Relay not
keying up prevents any Drive to get to the KPA nor any Power Output to
be generated.
I added back the TX Keyed Line from the K3 to the KPA and still on Po.
I have also taken the unit apart (I built the unit) and checked the
obvious items. I.E. Wires Pinched or Shorted. Connection Loose.
Proper Wire Dressing, "wiggled" any and all boards in case of any
intra-board contact issues......etc. Nothing seems to be out of line
nor is there any "smell" or "odor" of any tell tail component
failures. Unit has been put back together and retested with the same
symptoms.
I will be calling Elecraft later this AM but in the meantime I thought
I would send a note and look for a possible solution from the
"Elecraft Brain Pool".
Thanks,
Richard "Dick" Griest - WB4VMH
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