LED output The visual feedback provided by a system’s Status LED, which will flash at a specific frequency to indicate a fault condition. For example, a gate not responding to a valid trigger would be a symptom. Symptom Refers to the physical behaviour of the operator. HOW TO USE THIS GUIDE Icons used in this guide DIAGNOSTIC INDICATION This is the audible or visual feedback provided by the operator. This system provides the user with a simple means of cross-referencing when performing troubleshooting and diagnostic exercises.
The information screen or indication will in each case be presented first, followed by a list of possible symptoms associated with the product in question, possible cause(s) of the diagnostic message and, lastly, all the possible means of resolving the problem will be documented. A category also exists for ‘Information Screens’. Furthermore, diagnostic messages are categorised according to the stage of operation during which they are most likely to occur, be it during setup or normal operation. The document is divided into different sections, each referring to a specific Centurion product or range of products, and each section is further divided into the different symptoms typical to the product in question.
HOW TO USE THIS GUIDE The purpose of this guide is to equip users with the necessary skills for accurately diagnosing and resolving any technical challenges which may be encountered while working on Centurion access automation products.