Concluding procedure
Note/IllustrationAction
Closing the door on page 174.Close the door.1
Restoring the hardware settings on page 241.Restore the hardware settings.2
Perform the function tests to verify that
the safety features work properly, see
Function tests on page 165.
3
Removing the main computer by parts
Preparations
Note/IllustrationAction
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see Electrical safety on
page 31.
1
Opening the door on page 174.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
xx1900001446
Disconnecting the connectors to the main computer assembly
Note/IllustrationAction
Disconnect all the connectors on the as-
sembly group of the robot signal ex-
change proxy, Ethernet switch (option),
Connected Services Gateway, scalable
I/O (option), and main computer.
1
Continues on next page
Product manual - OmniCore C90XT 227
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
5 Repair
5.2.8 Replacing the main computer
Continued
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