Juniper PTX Series - Troubleshooting the PTX5000 Power Supply Modules; Table 40: PSM Chassis Alarms

Troubleshooting the PTX5000 Power Supply Modules
Problem The following alarms, LEDs, and other conditions indicate a problem with the power
supply modules during normal operations:
• The green INPUT OK LED on a power supply module is off when the PSM is not receiving
voltage.
• The green OUTPUT OK LED on a power supply module is off when a PSM output has
failed or is not receiving voltage, or the PSM output enable switch is off/down on the
connected PDU.
• The red FAULT LED on a power supply module lights when a PSM has failed, is not
properly installed, or is not receiving sufficient voltage.
Table 40: PSM Chassis Alarms
SolutionAlarm ConditionCLI MessageLCD Display MessageAlarm Type
1. Use the show chassis
environment pdu for more
information about the failure.
2. Check that the input for the
PSM on the PDU is correctly
connected.
3. Reinstall the PSM to clear
alarms.
4. Iif the input is correctly
connected, replace the PSM.
The specified PSM has failed. This
could be due to bad input, over
temperature, fan failure, and so
on.
PSMpsm-number Not
OK
PSM psm-number Not OKRed
Replace the PSM with a
supported PSM.
The packet transport switch does
not support the power supply
module.
PSMpsm-number Not
Recognized
PSM psm-number Not
Recognized
143Copyright © 2012, Juniper Networks, Inc.
Chapter 14: Troubleshooting Packet Transport Switch Hardware Components