ABB IRC5 Product Manual page 208

4 Repair activities, controller IRC5
4.9. Replacement of motherboard in computer unit DSQC639
Continued
Refitting
The procedure below details how to refit the motherboard in the computer unit.
206
Action
1.
DANGER!
Before commencing any work inside the
cabinet, please observe the safety information
in section DANGER - Make sure that the main
power has been switched off! on page
2.
esd
WARNING!
The unit is sensitive to ESD. Before handling
the unit please read the safety information in
the section WARNING - The unit is sensitive
to ESD! on page 31
3. Gently lift the motherboard out of the ESD
safe bag and fit it into position in the computer
unit.
4. Secure the motherboard with its attachment
screws.
5. Refit the PCI boards.
6. Refit the flash disk.
7. Reconnect the fan connector on the
motherboard and refit the cover plate.
8. Refit the computer unit.
Note/Illustration
30.
Always grip the board around the edges
to avoid damage to the board or its
components!
Detailed in section
boardsin the computer unit DSQC639
on page 211.
Detailed in section
Compact Flash memoryin computer
unit DSQC639 on page
Detailed in sectionReplacement of
computer unit DSQC639 on page 200
3HAC021313-001 Revision: P
Replacement of PCI
Replacement of
223.