ABB IRC5 Product Manual page 262

4 Repair activities, controller IRC5
4.17. Replacement of fan in computer unit DSQC623
Continued
Removal
The procedure below details how to remove the computer unit fan.
260
Action
1.
DANGER!
Before any work inside the cabinet, please observe
the safety information in section
sure that the main power has been switched off! on
page 28.
2.
esd
WARNING!
The unit is sensitive to ESD, before handling the unit
please observe the safety information in section
WARNING - The unit is sensitive to ESD! on page
29
3. Remove the computer unit.
4. Open the computer unit.
5. Disconnect the connectors.
6. Remove the attachment screws.
Note/Illustration
DANGER - Make
Detailed in section
of computer unit DSQC623 on
page 222.
Detailed in section
of motherboard in computer unit
DSQC623 on page
Detailed in section
of motherboard in computer unit
DSQC623 on page
xx04000000875
•
3HAC021313-001 Revision: K
Replacement
Replacement
230.
Replacement
230.
A: Attachment screw (4
pcs/fan)
Continues on next page