Roboclaw 2 x 60A - Logic Battery Low
Our first solution for this problem was to apply 12V to the main power input of Roboclaw before applying any voltage to the signal input.



To clarify this a bit: We use two separate power sources. One for 12V input and one to power the Arduino (which controls the Roboclaw motor controller). This enables us to power the signal input before powering the main input, which triggers the "Logic Battery Low"-alarm

We also found out that it is really important to apply directly 12V and not slowly adjust up from 0 to 12 V as we did. In this prototyping phase, we use an AC/DC adjustable power supply. In most cases, we used to start the power supply and, slowly, find the right voltage. This also triggers the "Logic Battery Low"-alarm.