ABB Robotics OmniCore C90XT Product Manual page 389

Description
Power unit status
LED
Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Circuit diagram - OmniCore C90XT
Preparations
1
2
3
Product manual - OmniCore C90XT
3HAC073706-001 Revision: E
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
3 Green, flashing: Application is loaded and waiting for commu-
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:
•
•
•
•
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.
Action
Check the FlexPendant for errors and warnings.
Power the controller off. Wait one minute, power the controller on.
Wait 30-60 seconds after power-on.
Make sure that the control system power is in run-time mode.
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7.3.4 Troubleshooting the power unit
is loading.
nication.
No color: Power to the power unit is missing.
Red, steady: Internal error.
Red, flashing: Firmware error or self-test failure.
Green, flashing: Communication error to another module.
Note
3HAC065464-009
7 Troubleshooting
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