NoteTest
Make sure that the cabling is correctly connec-
ted and not faulty.
• If the cabling is OK, see Troubleshooting
the power unit on page 532. Verify that
the fault has been fixed and restart this
guide if necessary.
• If the cabling is found unconnected or
faulty, connect/replace it. Verify that the
fault has been fixed and restart this
guide if necessary.
Check the cabling.9
See Replacing the power supply on page 365.The power supply may be faulty,
replace it and verify that the fault
has been fixed.
10
554 Product manual - OmniCore C30
3HAC060860-001 Revision: P
© Copyright 2019-2022 ABB. All rights reserved.
6 Troubleshooting
6.3.10 Troubleshooting the power supply
Continued