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| startup error in liberated Agilent / Keysight DSO-X 3014A |
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| Blue:
I get (sometimes) the following error when starting up my scope: Rebooted due to exception 0xC0000005 address 0x4027236c. Firmware version: 02.65.2021030741 (liberated - see other thread). It also contains a Lan card without vga output. Hardware selftest performed without any problem. Anyone any idea? The scope is about 10 years old. I think it contains an internal battery. Never checked if it does nor replaced. |
| msquared:
I'm having the same issue with my unliberated, never opened MSOX3054A which is also about 10 years old. It only happens if the scope is powered off for a few days so it really does feel like a battery issue. Did you ever happen to find a resolution? Thanks. |
| TheSteve:
--- Quote from: msquared on August 26, 2022, 03:37:20 pm ---I'm having the same issue with my unliberated, never opened MSOX3054A which is also about 10 years old. It only happens if the scope is powered off for a few days so it really does feel like a battery issue. Did you ever happen to find a resolution? Thanks. --- End quote --- What firmware version is in your scope? Your problem sounds like NAND corruption which only gets worse in time and will prevent the scope from booting. If you're not running the latest firmware now is the time to upgrade before it fails completely. The newer firmware will remap the bad blocks and likely fix any issues. This is much easier than recovering a non-booting scope. It will not be a battery issue, it only retains the clock data. |
| wraper:
--- Quote from: TheSteve on August 26, 2022, 07:13:59 pm --- --- Quote from: msquared on August 26, 2022, 03:37:20 pm ---I'm having the same issue with my unliberated, never opened MSOX3054A which is also about 10 years old. It only happens if the scope is powered off for a few days so it really does feel like a battery issue. Did you ever happen to find a resolution? Thanks. --- End quote --- What firmware version is in your scope? Your problem sounds like NAND corruption which only gets worse in time and will prevent the scope from booting. If you're not running the latest firmware now is the time to upgrade before it fails completely. The newer firmware will remap the bad blocks and likely fix any issues. This is much easier than recovering a non-booting scope. It will not be a battery issue, it only retains the clock data. --- End quote --- Yes, these scopes have a NAND corruption issue. You you could get them repaired for free even after warranty expiration, but that free repair program ended already. Since you are using latest firmware, it likely self repairs as mitigation as it was included in latest firmware versions. But I would reflash the firmware anyway. |
| msquared:
Thanks for the replies. I've owned the scope since 2014 and have always updated the firmware within a few days of new firmware being available. I've read about the NAND corruption issues and was hoping I avoided it by keeping the firmware updated. Currently the scope is running 02.65.2021030741. Also I only see the issue is the scope is powered off (still plugged in) for more than a few days. btw. Has anyone ever replaced the coin cell in the 3000? I looked at Dave's old tear down video and there's a soldered in battery on the board. |
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