Troubleshooting Units; Troubleshooting Leds In The Controller - ABB Robotics OmniCore C90XT Product Manual

7 Troubleshooting

7.3.1 Troubleshooting LEDs in the controller

7.3 Troubleshooting units

7.3.1 Troubleshooting LEDs in the controller
Description
The controller features a number of indication LEDs, which provide important
information for troubleshooting purposes. If no LEDs light up at all when switching
the system on, troubleshoot as detailed in this section.
All LEDs on the respective units, and their significance, are described in the
following sections.
Units with LEDs in the controller
Drive unit
Power unit
Scalable I/O
ABB Ability™ Connected Ser-
vices
Ethernet switch
Axis computer
Main computer
Power supply
Fieldbus adapter slave
Robot signal exchange proxy
384
Troubleshooting the drive unit on page 386
Troubleshooting the power unit on page 388
Troubleshooting fieldbuses and I/O on page 393
Troubleshooting the connected services gateway on
page 394
Troubleshooting the Ethernet switch on page 400
Troubleshooting the axis computer on page 402
Troubleshooting the main computer on page 404
Troubleshooting the power supply on page 407
Troubleshooting the fieldbus adapter slave on page 412
Troubleshooting the robot signal exchange proxy on
page 414
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Product manual - OmniCore C90XT
3HAC073706-001 Revision: E