329-Power Management Controller Firmware Error Symptom 329-Power Management Controller Firmware Error - Unable to communicate with the firmware. Action Reset the power management controller firmware. If the issue persists, remove AC power to reset the Power Management Controller firmware. If the issue persists, update the firmware. For more information, see the following topic in the troubleshooting guide for your product on the Hewlett Packard Enterprise website: HPE ProLiant Gen10—"Keeping the system current" (https://www.hpe.com/info/gen10-troubleshooting) HPE Synergy—"Updating the firmware" (https://www.hpe.com/info/synergy-troubleshooting)