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Red and green flashing lights despite proper configuration

Hi, I have a number of Audiomoths, and one of my most recently purchased devices (a 1.2.0) is not working. When I initially programmed it for deployment, it seemed to flash just fine (and is detected as having firmware 1.10.1 on it still). It appears to set the time and configure, but the first time I did this, I got a warning saying that the clock was working too fast. Despite appearing to program, the device did not record. I have since tried new batteries, different SD cards, different cables (always ones that came with the devices) and have tried reflashing, timing, and configuring. During those actions, everything seems okay, but when I eject the Audiomoth and switch it to custom, I get both red and green lights flashing (slower on the first flash, then shorter duration flashes interspersed with a longer no flash interval. This also happens when I switch to default. I have programmed my Audiomoths hundreds of times with success and am familiar with common ways that can cause a problem. I have tried everything I know. Any suggestions?

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styringa
Sep 30, 2024

Hi Alex,


I am using SanDisk Extreme 64 GB micro sd cards. Image attached. I am using a sampling rate of 48 kHz. I actually tried switching out the card again for another one of these and it programmed fine. When I put the original problem card in, it also worked fine, but when I tried to program the moth with the original card: red and green light. So something is wrong with this card. Do you have recommendations for best practices with the SD cards? We encountered a number of issues programming moths time after time. Most of the time, those issues seemed to get solved by reformatting the cards. Anything else? Anyway, it appears that my problem is solved, though I am still a bit curious about this card which seems to record fine as long as the moth was programmed without it in the slot (not a problem with other cards of the same type). Thanks.



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