9. TROUBLESHOOTING
9-3
9.2 Countermeasures
9.2.1 Problems that occur before the OS startup
(1) The equipment does not start.
1. When the plug of the power cord is connected to the outlet, the standby lamp is not
turned on.
<Possible cause>
Power is not supplied to the equipment.
2. When the power switch is turned on, fans rotate and the status lamp is lit, but the status
indication LEDs and the Digital LEDs for Status indication do not display anything.
<Possible cause>
The equipment has failed.
3. The Digital LEDs for Status indication show alphanumeric characters and the system
stops.
<Possible cause>
An error was detected during POST.
1. Make sure that the plug of the power cord is connected to the outlet.
2. Make sure that the circuit breaker on the power distribution panel is on.
3. If the standby lamp is turned on after steps 1 and 2, turn on the power switch.
-> When the equipment starts, fans rotate and the status lamp is turned on.
<Action>
1. Contact your system administrator or maintenance personnel.
<Action>
<Action>
1. See “9.6.1 POST messages” and take an appropriate action.
-> When the equipment has recovered, the alphanumeric characters on the Digital LEDs
for Status indication disappear, and the OS starts.
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