Industrial Automation, PLC, VFD, and Troubleshooting
Using Electrical Prints as a Troubleshooting Map
A control circuit diagram is one of the most important tools a technician can use when troubleshooting an electrical panel. Before replacing components, checking …
Read MoreA Practical Troubleshooting Method for Electrical Control Panels
When troubleshooting an electrical control panel, one of the most effective methods is called the backtracking method.
The idea is simple:
Start where the problem …
Read MoreHow to Diagnose a Single Failed Load in an Electrical Control Panel
When troubleshooting an electrical control panel, not every problem means the whole system is down. Sometimes the panel has …
Read MoreHow to Diagnose Contactors, Overloads, Coils, and Control Circuits
Motor starters are one of the most common devices found inside industrial electrical control panels. They are used to start and stop …
Read MoreWhy a Motor Starter Can Be Commanded but the Motor Still Does Not Run
When troubleshooting electrical control panels, one of the most important concepts a technician must understand is the …
Read MoreOne of the Most Important PLC Ladder Logic Patterns
One of the first ladder logic circuits every PLC beginner should understand is the Start/Stop seal-in circuit.
This circuit is also called a:
Start/Stop …
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