The GetCBusTargetLevel and GetCBusRampRate functions in V2.3 of the PAC firmware were not working properly. An update of the PAC firmware is available to fix this problem. If you are not using these functions, you do not need to get the update. [URL="http://www.clipsal.com/cis/downloads/homegatefamily/PICED_3_6_0_Firmware_Upgrade_Setup.zip"]PAC firmware update installer[/URL]