Wait at least 5 minutes after powering down for capacitors to discharge before servicing the servo amplifier.
Heat is the primary enemy of electronics. The R-30iB relies on a closed-loop cooling system to protect its internal boards. fanuc robot series r 30ib controller maintenance manual
Replace the lithium batteries in the controller. Wait at least 5 minutes after powering down
💡 Always replace batteries while the controller power is ON . This ensures the memory is backed up by the power supply during the swap. Open the controller door. Locate the battery unit on the main CPU board. fanuc robot series r 30ib controller maintenance manual