Process template: systematic troubleshooting
A fixed procedure that works on motor hydraulics and electricity
§1. Understand the symptom
- 01Describe the error precisely: what, when and under what load.
- 02Delineate the system: engine, transmission, hydraulics or electrical.
- 03Find out if the error is constant or occurs occasionally.
§2. Collect facts
- 01Visual inspection: leaks wear loose connections oil level.
- 02Read off the fault codes and operating data with a diagnostic tool.
- 03Compare with the manufacturer's expected values.
§3. Test and narrow down
- 01Create a hypothesis based on facts and diagrams.
- 02Test one thing at a time and record the result.
- 03Confirm the reason before parts are replaced.
§4. Finish and verify
- 01Perform the repair according to specification.
- 02Test run and confirm that the symptom is gone.
- 03Document cause, work performed and recommendations to the customer.