HP8720B won't phase lock
 

Well, it will, but sometimes it takes a few minutes. I can't tell if it needs to warm up . Does anyone know what I can check in it?

HP8720B won't phase lock
 

On Tue, 27 Nov 2018 06:51:12 -0800, 4ctestsystems wrote:

Well, it will, but sometimes it takes a few minutes. I can't tell if it
needs to warm up . Does anyone know what I can check in it?

There should be a little symbol come on for the oven. Is that showing?



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HP8720B won't phase lock
 

On Tuesday, November 27, 2018 at 9:51:15 AM UTC-5, wrote:
Well, it will, but sometimes it takes a few minutes. I can't tell if it needs to warm up . Does anyone know what I can check in it?

I've never noticed it. Where is it? On the screen somewhere? Or inside on the PLL board?