Replacing The Liquid Crystal Display (Lcd) Board; Figure 74: Engine Card Replacement - ABB XSeriesG4 User Manual

In the Save to field, verify or define the location (path) to save the backup file. Take note of the file location for later
retrieval. The default path stores the backup files in the StationFiles directory under the PCCU installation directory. The
backup file default name is the station ID with the .xfc extension.
Click OK.
Wait for the backup to complete. Progress status messages display at the bottom of the screen.
When the upload complete message displays, select Yes to restore (copy) the warm configuration to tfCold
Wait for the tfCold update to complete. Progress status messages display at the bottom of the screen.
Verify that the update is complete by expanding tfCold on the navigation tree. Compare the contents of tfCold with tfData
and ensure the configuration files now show in tfCold
previously in this section.
Perform a COLD start following the instructions listed in section 5.3.8, Reset procedures.

Replacing the Liquid Crystal Display (LCD) board

The LCD board is mounted on the backside of hinged doors behind the XRC
perform the following procedures.
Step-by-step instructions
Most of the procedural steps involve connecting and disconnecting connectors or moving and removing jumpers. All of the
connectors and jumpers are identified with a J-prefix (for example, J16 is the main battery connector). For a complete overview
G4
of the XRC board and its jumpers and connectors, see Figure 5: XRC board.
Collect data from the unit.
If possible, back up configuration files following the instructions listed previously in section 4.2, Backing up configuration
files.
To access the LCD board, open the TOTALFLOW unit door. The LCD board is located behind the XRC
NOTICE – Property damage. Do not remove the board-mounted lithium battery since it provides power to RAM.

Figure 74: Engine card replacement

G4
board. To access and remove the display board,
XSeriesG4 Remote Controller User's manual 2103334 Rev. AB | 79
4 Maintenance
G4
board.