Blink Red Light when Micro SD is in

We have 2 x Wav Trigger boards. Both when turned on have blinking red lights when the SD card is put in. 1 board worked for 3 years, new board is brand new and also has blinking red light. Is the board dead?

Try the troubleshooting steps here https://static1.squarespace.com/static/ … 230114.pdf and also ensure the SD card is formatted correctly https://learn.sparkfun.com/tutorials/ts … he-sd-card

Any luck?