DescriptionName
Shows the Link activity of the EtherCAT slave
port 0.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
LA (Link Activity [0]) LEDB
Shows the actual state of the device state
machine:
• Off: Drive unit is in state INIT.
• Green flashing (slow): Drive unit is in
state PRE-OPERATIONAL.
• Green single flash: Drive unit is in
state SAFE-OPERATIONAL.
• Green steady: Drive unit is in state
OPERATIONAL.
• Green flickering (fast): Drive unit is in
state BOOTSTRAP.
RUN (EtherCAT RUN) LEDC
Shows the Link activity of the EtherCAT slave
port 1.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
LA (Link Activity [1]) LEDD
• No color: Voltage between DC+ - DC-
< 60 VDC
• Yellow: Voltage between DC+ - DC- >
60 VDC
DC-BUS High Voltage LEDE
Required test equipment
Equipment needed for troubleshooting:
NoteEquipment
Multimeter
Insulating gloves
3HAC074000-008Circuit diagram - OmniCore V250XT, rev 04
or later
Preparations
Action
Check the FlexPendant for errors and warnings.1
Power the controller off. Wait one minute, power the controller on.2
Wait 30-60 seconds after power-on.3
Make sure that the control system power is in run-time mode.
Continues on next page
372 Product manual - OmniCore V250XT Type B
3HAC087112-001 Revision: A
© Copyright 2023-2023 ABB. All rights reserved.
7 Troubleshooting
7.3.3 Troubleshooting the drive unit
Continued