Juniper SRX550 Hardware Manual page 173

Copyright © 2016, Juniper Networks, Inc.
Table 60: POWER LED Description (continued)
LED Status LED State
Off
Chapter 20: Troubleshooting Components
Possible Cause and Corrective
Meaning Action
Indicates that the If a red alarm condition occurs,
services gateway is issue the
not receiving power. command to determine the source
of the problem.
Verify that the AC power cord or
DC power supply cable is not
damaged. If the insulation is
cracked or broken, immediately
replace the cord or cable.
Verify that the source circuit
breaker has the proper current
rating. Each power supply must
be connected to a separate
source circuit breaker.
Ensure that the power socket is
in working condition.
Connect the power supply to a
different power source with a
new power cord or power cable.
If the power supply status LEDs
indicate that the power supply
is not functioning normally, the
power supply is the source of the
problem. Replace the power
supply with a spare.
NOTE:
exceeds the threshold, Junos OS
shuts down all power supplies so
that no status is displayed.
Junos OS also can shut down one
of the power supplies for other
reasons. In this case, the remaining
power supplies provide power to
the services gateway, and you can
still view the system status through
the CLI.
show chassis alarms
If the system temperature
151