BCU1 Firmware Update Instructions March 28, 2022 22:42 Updated BCU1 firmware update instructions using Oview. InstallInstructions_BCU1-FW-Update_MX5423.pdf 300 KB Download Related articles Opera - Oview Software Suite BCU1 Control board:"I02", "I03", and "I04" error meanings and fixes Additional BCU1 Error Codes for MBAR/LBAR Operators BCU1 Controller Firmware Release: he03e