DescriptionName
The Module status LED indicates the follow-
ing:
• No color: AC_IN is missing or
24V_TRUNK is not available.
• Red, flashing: Performing self test.
• Red, steady: An error has occurred
and unit is in error state.
• Green, flashing: Unit is waiting for
24V_SYS and internal communication.
• Green, steady: Unit is in operational
state. Activating CTRL inputs in this
state will charge DC_OUT.
MODULE STATUSB
The EtherCAT Device State LED/RUN LED
displays the actual state of the device state
machine. The run state is as follows:
• Off: Power unit is in state INIT.
• Green flashing (slow): Power unit is in
state PRE-OPERATIONAL.
• Green single flash: Power unit is in
state SAFE-OPERATIONAL.
• Green steady: Power unit is in state
OPERATIONAL.
• Green flickering (fast): Power unit is
in state BOOTSTRAP.
ECAT STATUSC
Shows the network communication speed.
• Green steady: Speed is 100 Mbps.
• Off: Speed is 10 Mbps.
SPEEDD
Shows the Link activity of the EtherCAT slave
port 1.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
LINK/ACTE
Shows the network communication speed.
• Green steady: Speed is 100 Mbps.
• Off: Speed is 10 Mbps.
SPEEDF
Shows the Link activity of the EtherCAT slave
port 0.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
LINK/ACTG
Required test equipment
Equipment needed for troubleshooting:
NoteEquipment
Multimeter
Insulating gloves
3HAC074000-008Circuit diagram - OmniCore V250XT, rev 04
or later
Continues on next page
Product manual - OmniCore V250XT Type B 385
3HAC087112-001 Revision: A
© Copyright 2023-2023 ABB. All rights reserved.
7 Troubleshooting
7.3.5 Troubleshooting the power unit
Continued
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