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[BUG]Power Panic Recovery not working #4729

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Glennk60 opened this issue Jul 26, 2024 · 3 comments
Open

[BUG]Power Panic Recovery not working #4729

Glennk60 opened this issue Jul 26, 2024 · 3 comments

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@Glennk60
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Printer type - MK3S+
Printer firmware version - 3.14.0

MMU upgrade - None
MMU upgrade firmware version - N/A

SD card or USB/Octoprint
Print via SD card

Describe the bug
I have 6 MK3S+ printers, that I updated to firmware version 3.14.0 And I have had very short power outages, maybe only 2 - 5 seconds, just enough to shut down appliance clocks, the printers, modems, etc. But none of the printers have recovered since installing the update. I was excited to hear the new version had "Improved Power Panic" management, but that hasn't been the case with mine. Power Panic DID work on previous versions.

@Glennk60 Glennk60 added the bug label Jul 26, 2024
@Glennk60 Glennk60 changed the title [BUG]<Enter comprehensive title>Power Panic Recovery not working [BUG]Power Panic Recovery not working Jul 26, 2024
@gudnimg
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gudnimg commented Jul 26, 2024

Hi 👋 Can you describe a bit more what didn't work? Was it a problem with LCD user interface? layer shift after recovery? no recovery at all perhaps? Anything else which specifically didn't work?

Anything which could tell us the point of failure would be helpful.

@Glennk60
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Hi, there was no recovery at all, on any of the machines. The LCD screen returned to "normal", just as it is when you turn it on, or when you push the reset button. No ability to resume print. The print head remained over the current object being printed. It literally stopped where it was, and reset.

@gudnimg
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gudnimg commented Jul 26, 2024

Hi, there was no recovery at all, on any of the machines. The LCD screen returned to "normal", just as it is when you turn it on, or when you push the reset button. No ability to resume print. The print head remained over the current object being printed. It literally stopped where it was, and reset.

Hmm that sounds like the printer didn't complete/finish the process of saving all the data 🤔 The last thing the firmware does is write to EEPROM so that the next boot-up knows a power panic happened, and after that it will move the extruder to the side (X-axis).

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