Green-Red-Red-Green LED Sequence

[wattmatters]

I now have this Green Red Red Green LED sequence. I had Green Red Red, did a power restart and it’s now Green Red Red Green.

I assume this means the SD card is borked and I need a new one. I can get a replacement card but need some pointers on what to do next.

Are the links here still relevant?

Remove/replace SDcard

Sometimes it becomes necessary to remove the microSD card. You may need to replace it or look at the message log if the device isn’t working, or maybe you want to back up the datalogs. For whatever reason, it’s best to be careful as the type of holder and position makes it easy to damage during removal. Power down the IoTaWatt by removing the USB power plug and AC reference plug. If mounted to a wall, remove the mounting screws. Remove the four Philips head screws in the back. Remo…

Building a new SDcard

It can become necessary to build a new SDcard. This post describes how to do that. IoTaWatt uses a microSD card, formatted to FAT32. New units use a 8GB level 10 card. Any card 4GB-32GB level 4 or 10 will work fine. Obtain a new microSD card or reformat an old card to FAT32. Download the SD files from github SD directory If using windows, this link will downlod the files into a .zip file. Copy the files to the root of the SDcard. If you were able to salvage the config.txt file from the ol…

I have a Macbook, no Windows computers. No idea how I would connect an SD card to it.

EDIT: I have found a new class 10 16GB SD card, must have got it for something which didn’t eventuate. I think my Macbook has a built in SD card reader.