”The Jim Sweet patented swiping action.”
Now that you have determined that you are looking at the right equipment, its time to do a deeper dive into the inner workings of the equipment.
You need to do everything that you can to verify that the issue is actually with the equipment that you are analyzing.
So now we know what the “black box” is supposed to do and which outputs are not correct, the next step is to start diving into the inner working of the system.
Now that you understand what the input(s) and output(s) are, and what they are supposed to look like, you can compare the expected output(s) to the current output(s) for the current input(s).
The first step when beginning troubleshooting, is to get a firm understanding of how the equipment is supposed to function. If you don’t know what it is supposed to do, then you won’t recognize when it is not doing what it is supposed to.
Effective troubleshooting is 60% science, 40% art, and 50% luck. You will need to draw from your training, your experience, and your gut feeling.
To most people, equipment (of whatever kind, from a light switch, to an assembly line, to your smart phone) is just a “Black Box”…