SPC-520 User's Manual 3
Fault Detection and Alarm Notification
Power failure:
It works only when you install the redundant power supply (RPS-400ATX)
If either of the two power modules fails, the dedicated LED (PWR) changes color from green to red
also audio alarm. The dedicated LED remains red for failed power module until it fixed.
Fan failure:
If either of the three cooling fans fails, the dedicated LED (Fan 1 or Fan 2) changes
color from green to red also audio alarm. The dedicated LED remains red for failed fan set until it
fixed.
The fan ass'y can be hot-swap if either fan is fail Dual fans for redundant application
High Temperature:
If the chassis interior temperature exceeds 65
o
C(149
o
F)(standard setting), the
LED changes color from green to red also audio alarm. The LED remains red until the temperature
goes below 63
o
C
Temperature Select:
The temperature can be set on four status by adjust the switch on alarm
board : 65
o
C (Default setting) , 55
o
C , 70
o
C and 75
o
C
Audible Alarm:
Buzzer on board is activated (continous beep)as soon as a malfunction is detected
and sounds until the alarm reset button is pressed. The alarm reset button is on the front panel. Howev-
er, the alarm indicator will stay red until the fault condition is resolved.
Self-Test:
Press the Alarm reset button for 8 senconds, the alrm board will self-test automatically
for all functions. The alarm board also can monitor the temperature's sensor IC. If the sensor is failed
or no connection, the buzzer will alarm as " Beep x Beep x ...".
The Controls for System
The SPC-520 provides one soft-switch and one system reset botton to re-boot the PC system on the
front panel. See figure as following :
System Reset Botton
Soft Switch