Advantech IPC-7220, Руководство пользователя

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Chapter 3 Operation
3.1 The Front Section of IPC-7220
3.1.1 Switches
Behind the drive bay door, three switches are used for system power
on-off, system reset and alarm reset.
Power On-Off Switch : Use this switch to turn on/off the system power.
System Reset Switch : Press this switch to reinitialize the system.
Alarm Reset Switch : Press this switch to suppress or stop an audible
alarm. Whenever a fault in the system occurs (e.g., fan failure or over
high in-chassis temperature), an audible alarm is activated. Press this
switch will cause the alarm to stop.
3.1.2 LED indicators
Below the drive bay, four LEDs are placed to indicate the system health.
Please refer to Table 3-1 for the LED summary.
LED Description Green/Orange Red
PWR System Power Normal Abnormal
FAN Cooling Fan Status Normal Abnormal
TEMP In-chassis Temperature Normal Abnormal
HDD Hard Drive Disk Activity Data Access No light
Table 3-1 System status LED summary
If the system is connected with a single PS/2 power supply (e.g.,
PS-300ATX-ZB), the
PWR LED is always Green when power on.
When the PWR LED is RED, it indicates a redundant power supply (e.g.,
RPS-300ATX-Z) failure. To stop the alarm buzzer, press the Alarm
Reset button. Then, check out the redundant power supply right away
and replace the failed power supply module with a good one.
When the FAN LED is RED and blinking, it indicates a failed cooling
fan, and the alarm buzzer is also activated. To stop the alarm buzzer,
IPC-7220 User’s Manual 16