6.3 Troubleshooting units
6.3.1 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
Troubleshooting the drive unit on page 530Drive unit
56
Troubleshooting the power unit on page 532Power unit
Troubleshooting fieldbuses and I/O on page 537Scalable I/O
Troubleshooting the connected services gateway on
page 538
ABB Abilityâ„¢ Connected Ser-
vices
Troubleshooting the Ethernet switch on page 543Ethernet switch
Troubleshooting the axis computer on page 545Axis computer
56
Troubleshooting the main computer on page 547Main computer
Troubleshooting the power supply on page 550Power supply
56
Troubleshooting the robot signal exchange proxy on
page 555
Robot signal exchange proxy
56
Not available for CRB 15000 controller.
528 Product manual - OmniCore C30
3HAC060860-001 Revision: P
© Copyright 2019-2022 ABB. All rights reserved.
6 Troubleshooting
6.3.1 Troubleshooting LEDs in the controller
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