Which resource is used to guide decisions when encountering a red indicator light?

• A. On-line manual
• B. Fault indicators
• C. Hard copy tabs
• D. Fault indicator table

Answer: (D)

When a red indicator light shows up, you need a quick, direct reference that tells you exactly what to do for that specific fault. The fault indicator table serves that purpose. It maps each fault signal or red light to the appropriate actions, giving you clear steps to take and safety precautions in one place. This makes it fast and consistent in the field, so you can respond correctly without sifting through more general manuals.

An online manual can provide broader detail, but it’s slower to consult in the moment. Fault indicators themselves are just signals that something is wrong; they don’t tell you the exact procedure to follow. Hard copy tabs might offer quick notes, but they typically don’t provide the full, up-to-date mapping of indicators to actions. So the fault indicator table is the best resource for guiding decisions when you encounter a red indicator light.