6300 High SWR fault protection

  • 1
  • Question
  • Updated 3 years ago
  • Answered
Does anyone know if the 6300 has automatic fault protection for excessive high SWR?
Will it stop transmitting to protect itself if the SWR exceeds a certain point?
Photo of Alan Nusso, N4BV

Alan Nusso, N4BV

  • 53 Posts
  • 1 Reply Like

Posted 3 years ago

  • 1
Photo of Tim - W4TME

Tim - W4TME, Customer Experience Manager

  • 9152 Posts
  • 3478 Reply Likes
Yes.  If the reflected power is high enough.
Photo of km9r.mike


  • 425 Posts
  • 62 Reply Likes

I was looking for an answer while you replied. I do not doubt your answer but what I found seems conflicting because it implies a manual intervention. I was also gonna say I think my flex has auto shut down once for a temporary excessive high swr event but was looking for documentation to back that up before I did.

Photo of WA6FXT Mike


  • 207 Posts
  • 37 Reply Likes

I'm ashamed to say this... But, I can tell you that 100W on 20M into a retracted SteppIR caused my F6700 to protect itself from my stupidity by rolling the power back to almost 0 (zero) while the SWR was hard into the 3.0 on the 6700's scale! (I didn't even look at the indicator for about 3 calls on a net) 

Shame, shame... GREAT Radio!

73's all

de Mike WA6FXT

Photo of Terry T

Terry T

  • 12 Posts
  • 0 Reply Likes

I have done the same with 40 and 80 antenna's switched, how stupid can I be.


This conversation is no longer open for comments or replies.