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4-4
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
OL-9285-05
Chapter 4 Troubleshooting Hardware
Troubleshooting Power Supply Issues
All Power Supply LEDS Are Off
Symptom All power supply LEDS are off.
The following system messages may be generated with this symptom:
Error Message PLATFORM-2-PS_FAIL: Power supply [dec] failed or shutdown (Serial No.
[chars]).
Explanation
Power supply failed or has been shut down.
Recommended Action Enter the show environment power and show platform internal info CLI
commands or similar Fabric Manager or Device Manager command to collect more information.
Refer to power supply documentation in the relevant hardware installation guide to learn more on
increasing or decreasing power supply capacity and configuring power supplies.
Error Message PLATFORM-2-PS_MISMATCH: Detected power supply [chars]. This reduces
the redundant power available to the system and can cause service disruptions
(Serial No. [chars]).
Explanation
Detected a new power supply that has reduced capacity compared to an existing power
supply.
Recommended Action Refer to power supply document on increasing decreasing power supply
capacity and configuring power supplies. Enter the show environment power and show platform
internal info CLI command or similar Fabric Manager/Device Manager command to collect more
information.
Error Message PLATFORM-5-PS_REMOVE: Power supply [dec] removed (Serial No. [chars]).
Explanation
Power supply has been removed.
Recommended Action No action is required.
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