Replacing Cpu Pcb - Carl Valentin Dynacode Series Service Instructions Manual

Electronics
Figure 5
Removing the
CPU PCB
Installing the
CPU PCB
16

4.2 Replacing CPU PCB

1. If possible, save the configuration of module to a CompactFlash
card.
2. Unplug the module from the electrical outlet.
3. Remove cover of control unit.
4. Detach all interface cables from the CPU PCB.
5. Remove fixing screws at the Centronics interface.
6. Remove screws (A) from I/I board (B).
7. Remove I/O board.
8. Remove hexagon bolt and all retaining screws at CPU PCB.
9. Carefully remove CPU PCB.
1. Place CPU PCB onto the retainers.
2. Secure the PCB and I/O board with screws (A).
3. Insert all plug connections on the PCB.
4. Restore all interface connections.
5. Connect the power cable.
6. Update the firmware if necessary.
7. If possible, load the configuration from memory card. Otherwise,
set the configuration by the function menu.
Service instructions
Dynacode series
0808