4 Repair activities, controller IRC5
4.10. Replacement of computer unit DSQC639
3HAC021313-001 Revision: K228
© Copyright 2004-2008 ABB. All rights reserved.
Refitting
The procedure below details how to refit the computer unit.
NOTE!
The computer unit can have different design. The procedure how to refit the computer unit
is the same.
5. Support the computer unit beneath by hand
and push the spring lock in the arrow
direction.
WARNING!
Prevent the computer unit from falling down
due to gravity when releasing the spring lock
by supporting the computer unit from
beneath by hand.
xx0600002965
• A: Spring lock
6. Let the front end of the computer unit down
and pull the unit out.
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Action Note/Illustration
Action Note/Illustration
1.
DANGER!
Before 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 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
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