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9. TROUBLE SHOOTING
(19) The RAS external contact port does not work properly.
<Possible cause>
There is a problem with the cable connection or the interface with the target device.
<Action>
1. Disconnect the cable and securely reconnect it to ensure a stable connection.
2. See "5.9.2 External control specifications" and confirm that the external control
specifications are met.
(20) The equipment cannot be shut down.
a) The drive access lamp is on or flashing.
<Possible cause>
The shutdown process is simply taking a long time.
<Action>
1. Wait until the shutdown process finishes.
b) other than a)
<Possible cause>
The OS has frozen.
<Action>
1. Press the reset switch to collect a memory dump. Then restart the equipment. When you
request an analysis of the memory dump (a service provided for a fee), save the log after
you restart the equipment (see "8.4 Maintenance Operation Commands") and contact our
sales representatives.
2. If you cannot restart the equipment at step 1, turn off the power of the equipment according
to the instructions in <Forcibly terminating the equipment> below.
3. If executing step 1 does not resolve the problem, remove all USB devices except a keyboard
and mouse as well as all extension boards when the power is off and then start the
equipment.
<Forcibly terminating the equipment>
If the shutdown fails, press the power switch for at least four seconds. The power is turned off
and the product goes into the standby mode. After the equipment goes into the standby mode,
turn off the main power switch on the rear of the equipment to shut down the power.
9-18
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