- What is Troubleshooting?
To most people, equipment (of whatever kind, from a light switch, to an assembly line, to your smart phone) is just a “Black Box”…
- Simplified Troubleshooting Overview
Effective troubleshooting is 60% science, 40% art, and 50% luck. You will need to draw from your training, your experience, and your gut feeling.
- Step 1: Troubleshooting Overview
Understand the correct inputs and outputs of the “black box.”
- Step 2: Troubleshooting Overview
Determine which output(s) are incorrect.
- Step 3: Troubleshooting Overview
Figure out which input(s) affect that output(s).
- Step 4: Troubleshooting Overview
Verify that those inputs are as expected.
- Step 5: Troubleshooting Overview
Analyze the path(s) from input(s) to output(s).
- Step 6: Troubleshooting Overview
Check all connections.
- Step 7: Troubleshooting Overview
Eliminate the devices that could not cause this output.
- Step 8: Troubleshooting Overview
Eliminate the devices that could not cause this output.
- Step 9: Troubleshooting Overview
Test the remaining devices.
- Step 10: Troubleshooting Overview
Repair/Replace faulty device(s).
- Step 11: Troubleshooting Overview
Fully test the system.