Controller Is Overheated - ABB OmniCore V250XT Type B Product Manual

7.2.10 Controller is overheated

Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Circuit diagram - OmniCore V250XT, rev 04
or later
Preparations
1
2
Recommended working procedure
If the controller seems to be overheated, use this procedure to troubleshoot what
might cause the problem.
Detailed working procedure
1
2
3
4
5
Product manual - OmniCore V250XT Type B
3HAC087112-001 Revision: A
Action
Make sure that the controller is switched on.
Wait 30 s - 1 min to enable start-up sequence.
Check the FlexPendant for errors and warnings.
DANGER
Troubleshooting on the controller while powered on must be performed by personnel
trained by ABB or by ABB field engineers.
Action
Check that the external fans are working.
Check that the internal fan is working.
Check that the power unit fan is working.
Inspect the air filters to make sure they are clean.
If the problem remains, troubleshoot the power
unit and/or the drive unit.
© Copyright 2023-2023 ABB. All rights reserved.
7 Troubleshooting
7.2.10 Controller is overheated
Note
3HAC074000-008
Note
Replace malfunctioning fans, see
Replacing the external fans on
page 190.
Replace malfunctioning fans, see
Replacing the internal fan on
page 194.
Replace malfunctioning fans, see
Replacing the power unit fan on
page 202.
If air filters are not clean, see
Cleaning air filter on page 163
If air filters need to be replaced,
see Replacing the air filter on
page 280.
See Troubleshooting the power
unit on page 383
ing the drive unit on page
and Troubleshoot-
370.
367