Refitting
The following procedure describes how to refit the expansion board in the computer
unit.
Note/IllustratorAction
DANGER
Before commencing any work inside the
cabinet, please observe the safety inform-
ation in section DANGER - Make sure
that the main power has been switched
off! on page 33.
1
ELECTROSTATIC DISCHARGE
(ESD)
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 34
2
CAUTION
Always grip the expansion board around the
edges to avoid damage to the board or its
components.
Fit the expansion board in position by
pushing the expansion board into the
connector on the motherboard.
CAUTION
Push carefully so no pins are damaged.
Make sure that the expansion board is
pushed straight into the connector.
3
Secure the expansion board in the com-
puter unit with the attachment screws.
4
Refit the fan connector and close the
computer unit.
CAUTION
Be careful with the fan cable when clos-
ing the upper cover. The fan cable must
not be squeezed.
5
See Replacement of computer unit on
page 138.
Refit the computer unit.6
Refit the controller cover.7
Reconnect any cable to the fieldbus ad-
apter.
8
Perform the function tests in section
Function tests on page 118 to verify that
the safety features work properly.
9
Product manual - IRC5 Compact 153
3HAC047138-001 Revision: G
© Copyright 2009-2017 ABB. All rights reserved.
4 Repair
4.8 Replacement of expansion board in the computer unit
Continued