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Power on and power off problems

Use this information to resolve issues when powering on or powering off the server.

Server does not power on​

Complete the following steps until the problem is solved.

Note
The power button will not function until approximately one to three minutes after the server is connected to ac power.

  1. Remove any optional devices that were installed recently. System power problems caused by addition of a device indicates this device is either incompatible or too much for the power supply to support.

  2. Make sure the power cord is securely connected to the server and to a working electrical outlet. Disconnect and reconnect or replace the server power cord.

  3. Reseat the power supply. If the problem persists, replace the power supply.

  4. Disconnect and reconnect the front panel cable (see System-board connectors for the location of the connector on the system board). If the problem persists, replace the front panel.

Server powers off unexpectedly​

Complete the following steps until the problem is solved.

  1. Make sure the room temperature does not cause overheating, and no object is blocking the airflow in front and back of the server.

  2. Remove any optional devices that were installed recently. System power problems caused by addition of a device indicates this device is either incompatible or too much for the power supply to support.

  3. Make sure the power cord is securely connected to the server and to a working electrical outlet. Disconnect and reconnect or replace the server power cord.

  4. Reseat the power supply. If the problem persists, replace the power supply.

Server does not power off​

Complete the following steps until the problem is solved.

  1. Press Ctrl+Alt+Delete.

  2. Turn off the server by pressing and holding the power button for five seconds.

  3. Power on the server.

  4. If the server fails POST and the power button does not work, disconnect the power cord for 20 seconds; then, reconnect the power cord and power on the server.

  5. If the problem persists, contact Lenovo support.