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Troubleshooting Power Failures

The system's distributed power system is designed to consume low levels of power and dissipate low levels of heat. See System Specifications for specifications of power consumption and heat dissipation. If you suspect a power problem, see Table 9.

Table 9: Causes of Power Failures

Symptom

Possible Problems

Actions

System does not power up.

  • System is not receiving power.
  • Module's power supply has malfunctioned.
  • Power source cannot handle system load.

The following actions apply to all of the possible problems:

  1. Verify that all power connections are correct.
  2. Verify that the power supply is delivering the correct voltage, current, and wattage to the system. See System Specifications.
  3. If the system still does not operate, contact Juniper Networks Technical Assistance Center (JTAC).

System shuts down.

  • Temperature is too high.
  • Power is lost.

The following actions apply to all of the possible problems:

  1. Verify that power connections are properly attached.
  2. Verify that system is receiving power.
  3. Look to see whether or not the LEDs are lit.
  4. Run diagnostics on SRP and line modules.
  5. If system does not reset, contact JTAC.

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