Advantech ACP-4001 User Manual download pdf (Page 18)

IACP-4000 User Manual 12

2.2 LED Indicators

2.2.1 System Status LED

The System Status LED shows as follows:

When the PWR LED is RED, it indicates a redundant power supply fail-

ure. To stop the alarm buzzer, press the Alarm Reset button. Please check

out the redundant power supply right away and replace failure power sup-

ply module with a good one.

When the FAN LED is RED and blinking, it indicates a failing cooling fan.

An audible alarm is also activated. To stop the alarm buzzer, press the

Alarm Reset button then replace the fan immediately.

If the TEMP LED is RED and blinking, the system detects rising tempera-

ture inside the chassis. An audible alarm is activated. To stop the alarm

buzzer, press the Alarm Reset button. Inspect the rear section and fan fil-

ter immediately. Make sure airflow inside the chassis is smooth and not

blocked by dust or other particles.

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Advantech ACP-4001 User Manual Page 18