When devices are connected to the Option Bus on the FPD-7024, the bus must be scanned allowing the panel to see the device. After removing devices, such as the DX4020, DX4010V2 or DX4010i, the option bus must be scanned again to complete the removal, or the panel continues to supervise the device resulting in a keypad display: Trouble DX4020 and history event: SYSTRB017.
After completing programming the panel reports trouble DX4020; history shows SYSTRB017
After removing the DX4020, DX4010V2 or DX4010i, the option bus must be scanned again to complete the removal or the panel continues to supervise the device.
From the Panel Keypad (not a remote keypad) perform the following steps to update the option bus:
Select 0 for PROGRAMMING and enter the installer code
Select 3 for PROGRAM SYSTEM
Select 4 for OPTION BUS
Select 1 for UPDATE BUS
Follow the steps from this article to configure FPD-7024 to communicate using Cellular or Ethernet network communications.
How to configure the FPD-7024 for network communications using keypad programming.