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It guides users to consult the gateway first and perform a structured exclusion procedure, using LED status displays to identify whether power, ASi communication, fieldbus connectivity, and configuration are healthy. When no LED error is shown despite a fault condition, it directs to further help via diagnostic software, on-site support, and targeted device replacement.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/troubleshooting-guide-how-to-detect-possible-errors-led-functions-device-replacement-where-to-get-help/672890/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/troubleshooting-guide-how-to-detect-possible-errors-led-functions-device-replacement-where-to-get-help/672890.png","ImageObject",300,407,{"name":92,"@type":93},"PakDamar76","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02",true,{"@type":101,"interactionType":102,"userInteractionCount":8},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"How can I detect possible errors on an ASi installation?","Question",{"text":111,"@type":112},"Start with visual inspection at the gateway using the LED display and apply a simple exclusion procedure based on the observed LED states.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"What do the gateway LED indicators mean during troubleshooting?",{"text":116,"@type":112},"The document explains the specific meanings for POWER, U ASI, ASI ACTIVE, FIELDBUS, CONFIG ERROR, and related Safety Monitor LEDs, including how “off” or “on” reflects whether power, communication, and connectivity are OK.",{"name":118,"@type":109,"acceptedAnswer":119},"What should I do when no error is shown on the LED display but the installation is still in error?",{"text":120,"@type":112},"Use the “Where can I get help?” guidance and contact additional support via diagnostic software or personal on-site support.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},672890,1793612258,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":52,"language":138,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":67,"update_tm":128,"read_time":142},962090893057,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","Troubleshooting Guide  \nThis document is intended to facilitate quick and easy error detection  \nand, in the ideal case, error correction.  \nBased on the Best Practice approach, the gateway should be consulted first in the event of a fault, so that the ASi network of a installation can then be surveyed at a glance. The solution approaches in the document are intended specifically for faults that have occurred in a previously fault-free existing installation during operation. If necessary, further support is provided quickly and specifically via diagnostic software or personal support.  \nOverview of the steps  \nLED functions  \n Troubleshooting  \n Device replacement  \n Where can I get help?  \n1 How do I detect possible errors on my installation?  \nTroubleshooting Guide  \n1  \nHow do I detect possible errors on my installation?  \nVisual inspection at the gateway  \nOptional: device replacement  \nFurther help  \n` Visual inspection at the gateway via LED display  Chapter “LED Functions” 􀀟   \n` Visual inspection of the gateway via display  Chapter “Trouble Shooting” 􀀟   \n` Chapter “Device replacement” 􀀟   \n` On-site support via diagnostic software or personal support  \n Chapter “Where can I get help?” 􀀟   \n2  \nLED Functions  \nIn the event of an error, all errors that occur in an ASi network are quickly visualized on the gateway via the LED display. Possible approaches to troubleshooting can be quickly detected and usually eliminated using a simple exclusion procedure.  \nTroubleshooting Guide  \nGreen POWER LED:  \nLED Status Display  \n` off: Is the power supply connected?  \nIs the ASi PWR plug connected to the gateway?  \n` on: Everything is okay!  \nGreen U ASI LED:  \n` off: Is the correct power supply being used? 30 V power supplies 􀀟  Is a power fail or a short circuit on the ASi circuit detectable?  See chapter “General “Error Codes”” 􀀟   \n` on: Everything is okay!  \nGreen ASI ACTIVE LED:  \n` off: Is ASi communication or the ASi Gateway active online  \n` on: Everything is okay!  \nFIELDBUS LED:  \n` off: Is the fieldbus cable connected? Is the higher-level control switched on?  \nIs the correct configuration of the fieldbus connection (IP address, etc.) and, if applicable, the GSD configuration available?  \nNote: In case of problems with the used control or the fieldbus, please contact directly the respective manufacturer!  \nRemark: An inactive fieldbus can be signaled e.g. at PROFINET Gateways by a red illuminated LED or at a EtherNet/IP Gateway by a red flashing LED!  \n` on (green): Everything is okay!  \nRed CONFIG ERROR LED:  \n` off: Everything is okay!  \n` on: What information is shown in the gateway display?  \nNo error can be detected based on the LED display, but your existing installation is in error condition?  \n` see chapter “Where can I get help?” 􀀟   \nNote: The status LEDs do NOT indicate error messages. The green PRG ENABLE is on when automatic addressing is enabled. During operation, the yellow PRJ MODE LED is off because the gateway is operating in protected mode and is not configured.  \nIs a safety monitor installed?  \nSafety Monitor  \nGreen AUX LED:  \n` off: Is the power supply connected? Is the 24V/0V plug plugged into the gateway?  \n` on: Everything is okay!  \nYellow SI or SO LED:  \n` off: no periphery connected.  \n` on: periphery connected!  \nNote: With 6-channel Safety Monitors, the following error messages can be displayed:  \n` all LEDs flash: Safety-Error/Fatal Error (see chapter “General “Error Codes”” 􀀟)  \n` single LED flashes: Is a cross-circuit or an overload at the output detectable?  \n Troubleshooting Guide  \n3  \nTroubleshooting  \n 3.1 Readout of the gateway display  \nASi Circuit  \nError code  \n` Error message in display: Error in circuit 2 with error code 40  see chapter “3.2 General “Error Codes”” 􀀟   \nASi-5   15001   \nNode number  \nASi Circuit  \nduplicate addr:   \nError code  \n` Error message in the display: ASi-5 error in circuit 1 at node address 001  see chapter “3.3 “Configuration Error Codes”” 􀀟   \nAdd","cbCaifqCZSioHY0y","https://ap.wps.com/l/cbCaifqCZSioHY0y","pdf",1811995,"English","# Overview of the steps\n## LED functions\n## Troubleshooting\n## Device replacement\n## Where can I get help?\n# How do I detect possible errors on my installation?\n## Visual inspection at the gateway\n# LED Functions\n## Green POWER LED\n## Green U ASI LED\n## Green ASI ACTIVE LED\n## FIELDBUS LED\n## Red CONFIG ERROR LED\n## Safety Monitor LEDs\n# Readout of the gateway display\n## ASi Circuit error code examples\n# General “Error Codes“\n# “Configuration Error Codes“\n## Missing Slave\n## Peripheral Fault\n## Duplicate Address\n## Type Mismatch\n## Unknown Zero Address\n## Unknown Slave","[{\"question\":\"How can I detect possible errors on an ASi installation?\",\"answer\":\"Start with visual inspection at the gateway using the LED display and apply a simple exclusion procedure based on the observed LED states.\"},{\"question\":\"What do the gateway LED indicators mean during troubleshooting?\",\"answer\":\"The document explains the specific meanings for POWER, U ASI, ASI ACTIVE, FIELDBUS, CONFIG ERROR, and related Safety Monitor LEDs, including how “off” or “on” reflects whether power, communication, and connectivity are OK.\"},{\"question\":\"What should I do when no error is shown on the LED display but the installation is still in error?\",\"answer\":\"Use the “Where can I get help?” guidance and contact additional support via diagnostic software or personal on-site support.\"}]","Troubleshooting Guide - How to Detect Possible Errors - LED Functions - Device Replacement - Where to Get Help | PDF",25]