{"product_id":"plc-troubleshooting-for-maintenance-technicians-dovydas-kersys-9798189165122","title":"PLC Troubleshooting for Maintenance Technicians: A Practical Step-by-Step Guide to Diagnosing Inputs, Outputs, Sensors, Communications, Drives, and Ma","description":"\u003cp\u003eWhen a PLC-controlled machine stops, you do not need more theory-you need a clear method for finding the fault.\u003c\/p\u003e\u003cp\u003ePLC Troubleshooting for Maintenance Technicians is a practical guide for electricians, maintenance technicians, and anyone responsible for keeping automated machinery running. It teaches you how to approach PLC-related problems systematically, even when production is waiting, documentation is incomplete, and the cause is not immediately obvious.\u003c\/p\u003e\u003cp\u003eThis is not a PLC programming textbook. Instead, it focuses on the skills maintenance technicians actually need: reading machine conditions, understanding basic ladder logic, checking inputs and outputs, using controller diagnostics, following signals through the system, and identifying the real cause of a machine fault.\u003c\/p\u003e\u003cp\u003eInside, you will learn how to: \u003c\/p\u003e\u003cp\u003e- Think like a professional troubleshooter instead of guessing or replacing parts unnecessarily\u003cbr\u003e- Understand the PLC scan cycle, hardware architecture, tags, addresses, and I\/O mapping\u003cbr\u003e- Read basic ladder logic without being a PLC programmer\u003cbr\u003e- Use status LEDs, diagnostic buffers, controller fault logs, and HMI alarms\u003cbr\u003e- Troubleshoot digital and analog inputs and outputs\u003cbr\u003e- Diagnose proximity sensors, photoelectric sensors, limit switches, pressure devices, and other field components\u003cbr\u003e- Test solenoids, contactors, motor starters, drives, and actuators\u003cbr\u003e- Find Ethernet, PROFINET, EtherNet\/IP, serial, and fieldbus communication problems\u003cbr\u003e- Diagnose intermittent faults that disappear before maintenance arrives\u003cbr\u003e- Follow a repeatable 10-step troubleshooting procedure\u003cbr\u003e- Document repairs and reduce the chance of the fault returning\u003c\/p\u003e\u003cp\u003eThe book includes practical examples involving Siemens and Allen-Bradley PLC systems while emphasizing principles that apply to almost any PLC-controlled machine.\u003c\/p\u003e\u003cp\u003eWhether you are new to industrial automation, moving from electrical maintenance into PLC troubleshooting, or looking for a more structured approach to machine breakdowns, this guide will help you troubleshoot with greater confidence, accuracy, and speed.\u003c\/p\u003e\u003cp\u003eStop guessing. Start measuring, testing, and narrowing the fault step by step.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Dovydas Kersys\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798189165122\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 07\/26\/2026\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 90\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.51lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.19d","brand":"Dovydas Kersys","offers":[{"title":"Paperback","offer_id":49084365242623,"sku":"9798189165122","price":19.99,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.whiterainbookhouse.com\/products\/plc-troubleshooting-for-maintenance-technicians-dovydas-kersys-9798189165122","provider":"WR Book House","version":"1.0","type":"link"}