The eighth test screen tells you how to begin a power-up test of exhaust fans. This test checks that this equipment will power on when needed to maintain ventilation of the battery and electrical bays. You are told to press the UP arrow key to begin (Fig. A). Doing so will power up all exhaust fans and display the ninth test screen.
The HHS now asks you if the fans are operating. Locate the fans using the layout label on the bay doors, and see that they have begun moving. You may learn more about this question by pressing the [HH] button before answering. Based on your answer, you will proceed as follows:
- “Yes” (Fig. B): Fans have powered up. Test passes. Press ENTER to continue to next test
- “No” (Fig. C): At least one fan has not powered up; Press ENTER to receive instructions about resolving this problem.