26 Sun Server X4-2 Service Manual • May 2014
▼ Troubleshoot Power Problems
1. If the server is powered off, power on the server.
See “Power On the Server” on page 150.
■ If the server powers on, go to “Inspect the Server Externally” on page 26.
■ If the server does not power on, go to Step 2.
2. Check that power cords are attached firmly to the server power supplies and to
the power source.
Related Information
■ “Power On the Server” on page 150
■ “Inspect the Server Externally” on page 26
■ “Servicing Power Supplies (CRU)” on page 55
▼ Inspect the Server Externally
1. Inspect the external status indicators (LEDs), which can indicate component
malfunctions.
For the LED locations and descriptions of their behavior, see “About Server and
Component Status Indicators” on page 6.
2. Verify that nothing in the server environment is blocking airflow or making a
contact that could short out power.
3. If the problem is not evident, continue with the next section, “Inspect Internal
Server Components” on page 26.
Related Information
■ “About the Sun Server X4-2” on page 1
■ “Inspect Internal Server Components” on page 26
▼ Inspect Internal Server Components
1. Power down the server from main power mode to standby power mode.
■ Graceful power down – Notify users and gracefully power down the system.
■ Immediate power down – Power down the system quickly.
See “Powering Down the Server” on page 33 for instructions.
To Next Page
Loading...
