
15 ACP-1010 User Manual
Chapter 3 Operation
3.1.2 LED indicators
Six LEDs are placed in the middle of the front panel to indicate system health and
activity. Please refer to Table 3.1 for the LED definition summary.
When the system power is on, the power LED stays GREEN.
When the fan LED is RED, it indicates a cooling fan problem; the audible alarm is
also activated. To stop the alarm beep, press the Alarm Reset button and replace
the failed fan with a good one immediately.
If the temperature LED is RED, it means that the inside of the chassis has over-
heated (more than 50° C). An audible alarm will be activated. To stop the alarm beep,
press the Alarm Reset button. Inspect the fan filter and the rear section of the chas-
sis immediately. Make sure the airflow inside the chassis is smooth and not blocked
by dust or other particles.
When data is transmitting, the HDD LED blinks ORANGE.
If the LAN1/LAN2 LED stays GREEN, it means the network connection is working
normally. When data is transmitting through the network, the LAN LED blinks. If the
LAN1/LAN2 LED fails to light up, inspect the LAN cable and the connections.
Table 3.1: LED indicator functions
LED Description Green Red Orange
Power
System power Normal N/A N/A
Fan
Cooling fan status Normal Abnormal N/A
Temperature
Temperature in the chassis Normal Abnormal N/A
Hard Disk
Hard disk drive activity N/A No light Normal
LAN LAN1 & LAN2 status Normal
No light N/A
Data transmit through LAN Blinking
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