Advantech RS-485 user manual System Indicators, PWR Indicator

Chapter 7

Error Code	Error Type
00h	OK
01h	AI module span calibration error
02h	AI module self-calibration error
04h	AI module zero calibration error
08h	AI module data reading error
10h	CJC reading error
20h	EEPROM read/write error of
	AI/AO modules

7.3System Indicators

While the ADAM-5000 system is in operation the indicators on the front can help you diagnose problems with the system. The table below gives a quick reference of potential problems associated with each status indicator.

Indicator Status	Potential Problems
PWR (Off)	1.	System voltage incorrect
	2.	Power supply is faulty
	3.	Other components such as I/O
		modules have power supply shorts
RUN (Off)	CPU board is faulty
TX (Off)	Data not sent to adjacent node
RX (Off)	Data not received from adjacent node

PWR Indicator

In general there are 3 reasons for the system power status LED (PWR) to be OFF.

ADAM-5000 7-3