ABB OmniCore V400XT Product Manual page 377

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Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Product manual - OmniCore V400XT
3HAC081697-001 Revision: A
7.3.4 Troubleshooting the additional drive unit
Name
MS (Module Status) LED
LA (Link Activity [0]) LED
RUN (EtherCAT RUN) LED
LA (Link Activity [1]) LED
DC-BUS High Voltage LED
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7 Troubleshooting
Description
The status indicator LED can be used to
identify the following status during star-
tup/power on:
• Red, steady: Default when power is
available.
• Red, flashing (~1Hz): Power is on, self-
test is ongoing, operating system is
loading.
• Green, flashing (~1Hz): Application is
loaded and waiting for communication.
• Green, steady: Drive unit is operation-
al.
If the LED does not turn steady green after
30-60 sec, the status indicator LED can be
used to identify the following issues:
• No color: Power to the drive unit is
missing.
• Red, steady: Internal error.
• Red, flashing (~1Hz): Firmware error
or self-test failure.
• Green, flashing (~1Hz): Communica-
tion error to another module.
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
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