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5
Maintenance and troubleshooting
Power supply failure
Symptom
The status LED on a power supply is not steady green (active state) or flashing green (standby
state).
You can use the status LED on a power supply to identify a power supply failure. For more
information about the status LED on a power supply, see HPE PSR450 Power Supply Series User
Guide.
Solution
To resolve the issue:
1.
Verify that the power cord is correctly connected.
2.
Verify that the power source is as required by the power supply.
3.
Verify that the operating temperature of the switch is in an acceptable range and good
ventilation is provided for the power supply.
4.
If the issue persists, contact the Hewlett Packard Enterprise Support
To replace a power supply, see
Fan module failure
CAUTION:
If more than one fan module fails during the switch operation, do not remove the failed fan modules
simultaneously. Replace the fan modules one by one and finish replacing each fan module within 3
minutes.
Symptom
The status LED on a fan module is steady on and the system outputs a message that indicates a fan
module failure.
Solution
See
"Installing and removing a fan
"Installing and removing a power
module" to replace the failed fan module.
5-33
supply."
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