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EX8200 Power Supply Alarm and log messages generated when PSU is installed but does not have power cord attached

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Article ID: KB19242 KB Last Updated: 04 Mar 2017Version: 2.0
Summary:
This KB provides information concerning power supply log messages and related alarms seen with the EX8208 and EX8216.
Symptoms:
With multiple power supply units (PSU) installed on an EX8200, and with one or more not connected to a power source (power cord not attached), power log messages will be generated along with an alarm.
Solution:
EX8200 has a PSU installed but does not have a power cord attached thereby generating the following log messages and alarms below:

Oct 8 14:56:04 alarmd[771]: Alarm cleared: Pwr supply color=RED, class=CHASSIS, reason=PSU 5 Output Failure
Oct 8 14:56:04 craftd[772]: Major alarm cleared, PSU 5 Output Failure
Oct 8 14:56:09 chassisd[770]: CHASSISD_PSU_VOLTAGE: Power supply 4 reports problem; check output voltage
Oct 8 14:56:09 alarmd[771]: Alarm set: Pwr supply color=RED, class=CHASSIS, reason=PSU 4 Output Failure
Oct 8 14:56:09 craftd[772]: Major alarm set, PSU 4 Output Failure
Oct 8 14:56:14 chassisd[770]: CHASSISD_PSU_VOLTAGE: Power supply 4 reports problem; check output voltage
Oct 8 14:56:19 chassisd[770]: CHASSISD_PSU_VOLTAGE: Power supply 4 reports problem; check output voltage

This is default behavior on the EX8208 and EX8216.
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