6.2.2 Problems that occur after the OS startup
(1) The Digital LEDs for Status indication show alphanumeric characters.
This is a hardware error notification from the RAS software or is displayed by a user
1. If one of the status indication LEDs is lit in red, this is a hardware error notification from
the RAS software. Check the characters displayed on the Digital LEDs for Status
When 11 or 12 is displayed on the Digital LEDs for Status indication.
⇒Rotation of a fan is abnormal. (11 indicates a case fan failure, 12 indicates a CPU fan
Check the following items.
i) Make sure that no foreign objects are attached to the fan.
⇒If any foreign objects are attached, the efficiency of cooling inside the equipment
becomes is reduced. Remove the foreign objects.
ii) Make sure that the power cord for the fan is connected to a power connector.
⇒A loose connection may have caused the symptom. Remove the power cord for
the fan from the power connector and then reconnect them.
When 21 is displayed on the Digital LEDs for Status indication.
⇒The temperature is abnormal. Check the following items.
i) Make sure that the dust filter of the case fan and the exhaust outlet at the rear are
⇒If they are clogged, clean the dust filter and the air intake and exhaust holes. If
necessary, replace the dust filter.
ii) Make sure that sufficient clearance is provided around the equipment. (See "1.2.2
⇒If not, provide sufficient clearance around the equipment.
iii) Make sure that the temperature of the installation environment (ambient
temperature) is less than 40°C.
⇒Remove obstacles to air flow or use air-conditioning to keep the ambient
temperature less than 40°C.
When 31 or 32 is displayed on the Digital LEDs for Status indication.
⇒Failure is predicted for the drive in drive bay.(31 indicates the drive bay 1 and 32
indicates the drive bay 2) We recommend you back up the data and replace the drive.