Description
The status indicator LED can be used to identify the following status
during startup/power on:
1 Red, steady: Default when power is available.
2 Red, flashing: Power is on, self-test is ongoing, operating system
is loading.
3 Green, flashing
57
: Application is loaded and waiting for com-
munication.
4 Green, steady: Power unit is operational.
If the LED does not turn steady green after 30-60sec, then the status
indicator LED can be used to identify the following issues:
• No color: Power to the power unit is missing.
• Red, steady: Internal error.
• Red, flashing: Firmware error or self-test failure.
• Green, flashing
57
: Communication error to another module.
Power unit status
LED
Note
When troubleshooting the power unit for an CRB 15000 controller, there is only
two status:
• Red, the power unit is broken. Replace it.
• Green, the power unit is ok.
Required test equipment
Equipment needed for troubleshooting:
NoteEquipment
Multimeter
Insulating gloves
3HAC059896-009, 3HAC063898-009,
3HAC072448-009
Circuit diagram - OmniCore C30, Circuit dia-
gram - OmniCore C30 for IRB 14050, Circuit
diagram - OmniCore C30 for CRB 15000
Preparations
Action
Check the FlexPendant for errors and warnings.1
Power the controller off. Wait one minute, power the controller on.2
Wait 30-60 seconds after power-on.3
Make sure that the control system power is in run-time mode.
57
Not available for CRB 15000 controller.
Continues on next page
Product manual - OmniCore C30 533
3HAC060860-001 Revision: P
© Copyright 2019-2022 ABB. All rights reserved.
6 Troubleshooting
6.3.4 Troubleshooting the power unit
Continued
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