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

[Brooke Clarke]

Hi:

I've started a web page for the HP 3458A and it's problem with more info at:
http://www.prc68.com/I/HP3458DVM.shtml

Have Fun,

Brooke Clarke
http://www.prc68.com

Brooke Clarke wrote:
> 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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