ABB IRC5 Operating Manual page 75

LEDs
The illustration below shows the LEDs on the Axis computer:
xx0800000485
A
B
Description
Status LED
Ethernet LED
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
Status LED
Ethernet LED
Significance
Normal sequence during startup:
1 RED steady: Default at power-up.
2 RED flashing: Establish connection to main computer and load
program to axis computer.
3 GREEN flashing: Start-up of axis computer program and connect
peripheral units.
4 GREEN steady. Start-up sequence ready. Application is running.
The following indicates errors:
• OFF: No power to axis computer or internal error (hardware/firm-
ware).
• RED steady (forever): The axis computer has failed to initialize
basic hardware.
• RED flashing (forever): Missing connection to main computer,
main computer start-up problem or RobotWare installation problem.
• GREEN flashing (forever): Missing connections to peripheral units
or RobotWare start-up problem.
Shows the status of Ethernet communication between an additional axis
computer (2, 3 or 4) and the Ethernet board.
• GREEN OFF:10 Mbps data rate has been selected.
• GREEN ON:100 Mbps data rate has been selected.
• YELLOW flashing: The two units are communicating on the Ether-
net channel.
• YELLOW steady: A LAN link is established.
• YELLOW OFF: A LAN link is not established.
© Copyright 2005-2018 ABB. All rights reserved.
4 Troubleshooting by unit
4.8 Troubleshooting the axis computer
Continued
75