Working fine for a month then Red-Red-Red LED

[overeasy]

@notatechie

Is this possibly a corrupt SD card?

Quite possibly.

SDcard Issues GRR and GRRG

Background. The most recent batch of SD cards used in new units were formatted at the factory with an older version of FAT32. I was unaware of this situation as the cards passed all tests with the current firmware and appears to work fine with all releases through the current MINOR version 02_07_05. Those cards may be found in units shipped between Oct 12 and Dec 13, 2022. Order numbers are 127612-127903. G-R-R led sequence. This issue is one where the unit failed to start and displayed L…

Those cards have been exhibiting other failure modes as well. If you provide your order number, I will send a replacement card.