SD card error message, no programmable recording

Hi all- Just purchased 2 Audiomoths from Labmaker, and I'm starting to test them out. One of the devices does not seem to take the programmed parameters (60 second recordings, 5 second wait, from 2000-2030, 2100-2130, 2200-2230, 2300-2330, LED OFF). After I program and set the switch to custom, both LEDS flash, telling me its a bad card. I've tried other cards, and it does the same with them. If I go to default, the recording function works. Ideas? The other Audiomoth is working correctly. I've contacted Labmaker but not heard back yet-

Thanks much-

Eric