BCU-100 MM
1-21 (E)
1. Checking the basic items
For the following symptoms, perform the checks described in the table.
Power does not turn on
.
Check if the power cord is connected correctly.
.
Check if the power supply unit is installed correctly.
Cannot connect to the network
.
Check if the network cable is connected correctly.
.
Check if the NETWORK-1 terminal and the NETWORK-2 terminal are connected
correctly.
Temperature error warning is
.
Check if the front and the rear ventilation hole are not blocked or dusty. To check
displayed
the front ventilation hole, remove the front panel.
2. Checking the status of the front panel LED
Check if the front panel LED lights in the same way as it does when the BCU-100 operates normally.
The details of the errors can be checked with the POWER LED and message LED; and the status LED
and error LED inside the front panel.
For the error list, refer to “1-9-5. Error Display”
When an error occurs mainly in the following blocks, it is indicated with the LED display.
Power supply
Power supply fan deterioration, Replacement time warning
Fan
Abnormal revolution speed, Replacement time warning
Battery
Voltage drop warning
Internal temperature
Abnormal temperature warning
Main device (Cell/B.E., RSX)
Abnormal operation warning
Hardware
Abnormal operation warning
SYSCON
Abnormal operation warning
The LED indication changes depending on the level of abnormality.
Error LED
Message LED
Condition
Blink (red)
Blink (blue)
Warning (when an abnormality of low urgency is detected)
Light (red)
Blink (red)
Error (when an abnormality of high urgency is detected, and the BCU-100
is forcibly shut down)
3. Checking by executing the self-diagnostic function in the Diag mode
Use the Diag mode diagnostic function in the offline state, and identify the defective location and details.
When an error is detected, an error code is displayed. Check “1-9-6. Error Code List” and take the
necessary measures.