5 Whys Analysis: How to Find Root Cause (with Examples)
The 5 Whys explained — how the technique works, a step-by-step process, worked manufacturing examples, common pitfalls, and how it fits with other RCA tools.
9 articles in this category
The 5 Whys explained — how the technique works, a step-by-step process, worked manufacturing examples, common pitfalls, and how it fits with other RCA tools.
The fishbone (Ishikawa) diagram explained — the 6M categories, how to build one step by step, a manufacturing example, and how it pairs with 5 Whys.
How to calculate OEE step by step — the Availability x Performance x Quality formula, a fully worked example, world-class benchmarks, and how to pull OEE from PLC data.
Learn how to read a P&ID — the symbol library, instrument bubbles, ISA tag letter codes, line types, and a worked example that maps a loop to the PLC.
PLC counter programming explained — count-up (CTU), count-down (CTD), and up/down (CTUD) counters, accumulator and preset, reset logic, and ladder examples.
Root cause analysis explained — the RCA process, the 5 Whys and fishbone methods, a worked manufacturing example, and how PLC/SCADA data speeds up the hunt.
FMEA explained — what Failure Mode and Effects Analysis is, the RPN (Severity x Occurrence x Detection), the step-by-step process, and a worked example.
Learn with 15+ practical PLC Ladder Logic examples from real industrial applications. Motor control, timers, counters, and advanced logic patterns included.
Master PLC programming with practical examples from real industrial applications. Learn through hands-on motor control, automation, and process control.