Topband: Amp tripping SWR ** progress**

[Adrian]

It doesn't need much swr increase to trip, A rise to 1.7:1 will do it 
despite that swr fine for use.

You did not comment on the SPE indicated swr. Can you see it rise just 
before it trips with gradual drive increase ?

vk4tux

On 30/10/21 10:59, WW3S wrote:
> yep,, did that....doesnt trip until somewhere between 300 and 400 
> watts.....and the alarm is instant.....I suspect what is happening, 
> based on my sons observation, and his recording the sound....is RF is 
> telling the relays on the switch to switch, and the 160 probably goes 
> open....I inserted a barrel connector and all is well....except on 
> stuck on 160.....tomorrow, in between other projects, I think we will 
> swap out all the control cables....
>
> -