7.2.10 Controller is overheated
Required test equipment
Equipment needed for troubleshooting:
NoteEquipment
Multimeter
Insulating gloves
3HAC074000-008Circuit diagram - OmniCore V250XT
Preparations
Action
Make sure that the controller is switched on.1
Wait 30 s - 1 min to enable start-up sequence.
Check the FlexPendant for errors and warnings.2
DANGER
Troubleshooting on the controller while powered on must be performed by personnel
trained by ABB or by ABB field engineers.
Recommended working procedure
If the controller seems to be overheated, use this procedure to troubleshoot what
might cause the problem.
Detailed working procedure
NoteAction
Replace malfunctioning fans, see
Replacing the standard fans on
page 182.
Check that the standard fans are working.1
Replace malfunctioning fans, see
Replacing the internal fan on
page 186.
Check that the internal fan is working.2
Replace malfunctioning fans, see
Replacing the power unit fan on
page 198.
Check that the power unit fan is working.3
If air filters are not clean, see
Cleaning air filter on page 157
Inspect the air filters to make sure they are clean.4
If air filters need to be replaced,
see Replacing the air filter on
page 298.
See Troubleshooting the power
unit on page 382 and Troubleshoot-
ing the drive unit on page 376.
If the problem remains, troubleshoot the power
unit and/or the drive unit.
5
Product manual - OmniCore V250XT 373
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
7 Troubleshooting
7.2.10 Controller is overheated
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