[time-nuts] HP 3458A ISOLATOR DTACK err @ pwr up

[Brooke Clarke]

Hi Greg:

I tried both Blue then Error and Blue and Error and could not get anything, 
i.e. the display just showed ISOLATOR DTACK

Have Fun,

Brooke Clarke
http://www.prc68.com

Greg Burnett wrote:
> Brooke:
> 
> ...Correction to my last post... If I remember correctly, you would hit "key 
> shift blue" + "Clear" to clear out each error message in order to read the 
> next error message (if any). You keep clearing the error messages until 
> there are none left. Be sure to use the left & right arrows to scroll 
> through a given error message's complete text line.
> 
> Poul-Henning's suggestion (about the optical cables on the bottom side) is 
> worth trying. If I remember correctly, the box will still function (except 
> for Ext. Trigger Input and VM Complete Output) if the rear optical cables 
> are disconnected. However you will get an isolator error if the front 
> optical cables are disconnected. But I'm not sure if it will be your error 
> 201 or 200 (Isolator does not respond).
> 
> Let us know what you find.
> 
> Greg
> 
> 
> 
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