Location of LEDs
xx1700001886
xx1800001307
Detailed working procedure
NoteAction
LED AC should be green.
• If not, see Troubleshooting
the power unit on page 532.
• If the power unit is ok, check
that incoming mains is well
connected and that the in-
coming mains switch is
turned on.
Look at the LED AC.1
Continues on next page
Product manual - OmniCore C30 509
3HAC060860-001 Revision: P
© Copyright 2019-2022 ABB. All rights reserved.
6 Troubleshooting
6.2.2 Start-up failure
Continued