Author Topic: 2465B - test O4 fail 01 ... what's?  (Read 373 times)

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Offline Joseph Bozzer

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2465B - test O4 fail 01 ... what's?
« on: January 12, 2020, 10:18:03 am »
After unsoldered and install a external battery on my NVRAM, I have this error message  "test 04 fail 01 BU<F77F>"
All seem work normally but how to correct that?

Where can I find the table of all errors messages?



 
 

Online BravoV

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #1 on: January 12, 2020, 10:24:50 am »
Its all there in the service manual.

Offline Joseph Bozzer

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #2 on: January 13, 2020, 12:24:55 am »
In the service manual I found this :



What does that mean"parity error on read"?
What is the action to resolve this problem ?
« Last Edit: January 13, 2020, 12:42:06 pm by Joseph Bozzer »
 

Offline wraper

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #3 on: January 13, 2020, 12:45:24 am »
Most likely NVRAM battery died thus cal data was lost.
 

Offline Joseph Bozzer

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #4 on: January 13, 2020, 01:21:05 am »
Strange ..
I installed an external battery and I can read his datas on my programmer

Is there a clue in the data that makes it possible to be sure that the data are real 2465B data or parasitic data due to a defective NVRAM?
« Last Edit: January 13, 2020, 01:24:48 am by Joseph Bozzer »
 

Offline wraper

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #5 on: January 13, 2020, 01:24:19 am »
Strange ..
I installed an external battery and I can read his datas on my programmer ...
Do you have backup? If yes, program it and see if it helps. Or program some other backup (after copying current NVRAM content), there are some posted on this forum.
 

Offline Joseph Bozzer

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #6 on: January 13, 2020, 01:25:29 am »
Is there a clue in the datas that makes it possible to be sure that the data are real 2465B datas or parasitic datas due to a defective NVRAM?
« Last Edit: January 13, 2020, 01:27:38 am by Joseph Bozzer »
 

Offline wraper

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #7 on: January 13, 2020, 01:27:18 am »
Is there a clue in the data that makes it possible to be sure that the data are real 2465B data or parasitic data due to a defective NVRAM?
Program known working data and see what happens. If it works, then current data was corrupted.
 

Offline Joseph Bozzer

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #8 on: January 13, 2020, 01:29:33 am »
ah ok ... i've a .bin dowloaded on web ... I will try to install it on a new DS1225AB ... I will order it
 

Offline LazyJack

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Re: 2465B - test O4 fail 01 ... what's?
« Reply #9 on: January 13, 2020, 09:24:30 pm »
It's been said a couple of times. Unless you do a full calibration on the scope it will not work properly. There is no point in loading data from other scopes. Calibration data is unique to the individual instrument. It may make the error message go away, but it will not work properly.
 
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