No Leds Are Lit On The Controller - ABB OmniCore V250XT Product Manual

7 Troubleshooting

7.2.1 No LEDs are lit on the controller

7.2.1 No LEDs are lit on the controller
Description
No LEDs at all are lit in the controller.
Required test equipment
Equipment needed for troubleshooting:
Equipment
Multimeter
Insulating gloves
Preparations
1
2
Recommended working procedure
If no LEDs are lit on the controller during start-up, use this procedure to troubleshoot
what might cause the problem.
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352
Action
Make sure that the controller is switched on.
Wait 30 s - 1 min to enable start-up sequence.
Check the FlexPendant for errors and warnings.
DANGER
Troubleshooting on the controller while powered on must be performed by personnel
trained by ABB or by ABB field engineers.
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Note
Product manual - OmniCore V250XT
3HAC073447-001 Revision: B