ABB OmniCore V400XT Product Manual page 370

7 Troubleshooting
7.3.3 Troubleshooting the drive unit
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B
C
D
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Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Circuit diagram - OmniCore V400XT
Preparations
1
2
3
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370
Name
LA (Link Activity [0]) LED
RUN (EtherCAT RUN) LED
LA (Link Activity [1]) LED
DC-BUS High Voltage LED
Action
Check the FlexPendant for errors and warnings.
Power the controller off. Wait one minute, power the controller on.
Wait 30-60 seconds after power-on.
Make sure that the control system power is in run-time mode.
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Description
Shows the Link activity of the EtherCAT slave
port 0.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
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.
Shows the Link activity of the EtherCAT slave
port 1.
• Off: No link
• Yellow flashing: Link and activity.
• Yellow steady: Link without activity.
• No color: Voltage between DC+ - DC-
< 60 VDC
• Yellow: Voltage between DC+ - DC- >
60 VDC
Note
3HAC082020-008
Product manual - OmniCore V400XT
3HAC081697-001 Revision: A