SELF HELP GUIDE - Before Contacting Technical Support
When Modbus devices stop talking, values look suspicious, or an RS485 network behaves like it’s possessed, this guide is your first line of defence. Each section focuses on clear, task‑led checks, wiring, termination, addressing, signal testing, so you can diagnose faults quickly and confidently.
No guesswork, no jargon walls, just practical steps to help you stabilise the bus and get communication flowing again.
If you’ve worked through these checks and still can’t get the system behaving (or the suggestions start to feel overwhelming), we’re still here to help. Drop us an email at support@forestrock.co.uk and we’ll pick it up from there.