Required documents
NoteArticle numberDocument
3HAC074000-008Circuit diagram - OmniCore
V250XT
Note
The main computer is part of an assembly group, secured on a process plate.
To remove the computer, either lift out the assembly group and then remove the
computer, or take out the parts on top of the computer and then the computer
itself.
To remove the assembly group, see Removing the main computer by assembly
group on page 227.
To remove the modules on the top of the computer, see Removing the main
computer by parts on page 235.
Removing the main computer by assembly group
Preparations
Note/IllustrationAction
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see Electrical safety on
page 28.
1
Opening the door on page 176.Open the door.2
Location of wrist strap button:
ELECTROSTATIC DISCHARGE
(ESD)
The unit is sensitive to ESD. Before
handling the unit read the safety inform-
ation in section The unit is sensitive to
ESD on page 43.
3
xx2100000318
Continues on next page
Product manual - OmniCore V250XT 227
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
5 Repair
5.2.8 Replacing the main computer
Continued
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