AS Series Module Manual
6- 20
6.2.9 LED Indicators
Number Name Description
1 RUN LED Indicator
Operating status of the module
ON: the module is running.
OFF: the module is not running.
2
ERROR LED
Indicator
Error status of the module
ON: a serious error exists in the module.
OFF: the module is operating normally.
Blink: a minor error exists in the module.
3
Analog-to-Digital
Conversion
Indicator
Conversion status
Blinking: conversion is in process.
OFF: conversion has stopped.