AS300 Series Module Manual 2.2.8 LED Indicators _2 2.3 HWCONFIG in ISPSoft The following example uses the AS04AD-A module. 2.3.1 Initial Setting (1) Start ISPSoft and double-click HWCONFIG . 2-24 Number Name Description Operating status of the module 1 RUN LED Indicator ON: the module is running. OFF: the module is not running. Error status of the module ERROR LED ON: a serious error exists in the module. 2 Indicator OFF: the module is operating normally. Blink: a minor error exists in the module. Analog to Digital Analog-to-digital conversion status 3 Conversion Blinking: conversion is in process. Indicator OFF: conversion has stopped.