Electronics > Repair
Lecroy wavesurfer 3024 fail to boot
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kinero:

--- Quote from: ollopa on May 01, 2023, 03:36:41 am ---I rolled back to earlier firmware and it was OK.


--- End quote ---

Ollopa - thank you so much for your input. 

To clarify, was the roll-back in your case performed after the so-called "BIOS" update took place?  And if so, did you have to perform factory restore followed by installation of firmware that precedes V9.1.0.3?

Just a note, Teledyne lists the current firmware as V9.2.0.5. I registered and will try this new firmware as soon as my account is authorized.



kinero:
I reached out to Teledyne support, and they immediately approved my request and provided the newest recovery package with instructions.

This recovery package contains firmware 9.1.0.3 and the keys are working now!
kinero:

--- Quote from: ollopa on May 01, 2023, 03:36:41 am ---I had the same problem with the licenses no longer being installable with version 9.x firmware.  This seems like a bug in their software.  I rolled back to earlier firmware and it was OK.
--- End quote ---

Interesting that Teledyne states that the latest software for WX3000 is V9.2.0.5 while the restore package shared above contained V9.6.0.1, and that's the one that disables ability to use option keys.  I agree that this is likely an unofficial release and buggy.


--- Quote from: ollopa on May 01, 2023, 03:36:41 am ---The recovery software completely reformats flash so it is no problem to use it to go backwards after doing the upgrade.

--- End quote ---

This is actually not true.  In order to perform a complete erase of the NAND flash, which includes scope ID information and all calibration files stored in NAND, one must rename the _format.bin to format.bin on the SD card.  In order to restore the calibration data, you would need to activate the service mode and restore the calibration data from the EEPROM.  This process, according to Teledyne, constitutes the complete format procedure required to address various problems, including problems with the option keys, and that's the one they recommend.

The original restore package shared in this thread contains _format.bin with the underscore. For kicks and giggles, I tried renaming it to format.bin and running a complete format cycle, but this resulted in an inoperable scope, requiring to perform full restore + format using the new Teledyne restore package.
kinero:
Were you able to resolve this, and if so, what steps did you take?
ollopa:

--- Quote from: kinero on May 02, 2023, 03:45:13 pm ---Interesting that Teledyne states that the latest software for WX3000 is V9.2.0.5 while the restore package shared above contained V9.6.0.1, and that's the one that disables ability to use option keys.  I agree that this is likely an unofficial release and buggy.

--- End quote ---

It might actually be for the upgraded WS3KZ variant (which is up to firmware 10.3.0.2 now). 

Nevermind -- The firmware for the Z is not compatible with the non-Z (the .fla file will be rejected) so it couldn't be that.  Must have been a bad internal build as others have said.
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