22
Maintenance and Troubleshooting
DC / DC Converter Board (PC1) Replacement
1.
Turn off the circuit breakers powering all power supplies.
2.
Remove all connections to the DC / DC converter board.
3.
Remove the screws holding the board in place, and remove the failed DC / DC converter
board.
4.
Position the new board in the enclosure and secure it using the screws removed in
Step 3
. Securely fasten the screws to ensure proper grounding.
5.
Reconnect all connections removed in
Step 2
.
6.
Restore power.
CAN Distribution Board (PC2) Replacement
1.
Turn off the circuit breakers powering all power supplies.
2.
Remove all connections to the distribution board, including incoming signal from the
VFC-3000 controller and outgoing signal to the modules and sensors.
3.
Remove the screws holding the board in place, and carefully remove the failed CAN
distribution board.
4.
Position the new board in the enclosure and secure with the screws removed in
Step 3
. Securely fasten the screws to ensure proper grounding.
5.
Reconnect all connections removed in
Step 2
.
6.
Restore power.
CAN I/O Board (PC3) Replacement
1.
Turn off the circuit breakers powering all power supplies.
2.
Remove all connections to the CAN I/O board.
3.
Remove the screws holding the board in place, and carefully remove the failed
CAN I/O board.
4.
Position the new board in the enclosure and secure the board using the screws removed
in
Step 3
. Securely fasten the screws to ensure proper grounding.
5.
Reconnect all connections removed in
Step 2
.
6.
Restore power.
