Initial Inspection and Diagnostic Overview
Inspection and Verification1. Verify the customer concern.
Visual Inspection Chart:
2. Visually inspect the following for obvious signs of mechanical or electrical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not visually evident, verify the symptom and see SYMPTOM TROUBLESHOOTING CHART - STOPLAMPS Symptom Related Diagnostic Procedures