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5: Troubleshooting
Power Supply/Cooling Module LEDs
Figure 5-2 shows the meanings of the LEDs on the power supply/cooling module.
Figure 5-2 Power Supply/Cooling Module LED
If the green “PSU good” LED is not lit during operation, or if the power/cooling LED on
the ESI/ops panel is amber and the alarm is sounding, contact your service provider.
PSU good LED
DC ouput fail LED
AC input fail LED
Fan fail LED