Real-World Scenarios
Case studies from the field. Read the situation, decide what you would do, then reveal each step to compare your plan against a guided answer.
Site
Retail strip center, conventional FACP in the electrical room. Monday 7:15 AM service call from the monitoring company.
FACP · Panel display
TROUBLE: AC POWER FAIL
LOW BATTERY · 23.1 VDC · ON SECONDARY
What you find on arrival
The panel shows AC POWER FAIL and LOW BATTERY. The store manager says the lights are on, so 'it can't be the power.' The monitoring log shows AC FAIL at Saturday 02:10 followed by LOW BATTERY Sunday 04:45.
What do you do?
Two troubles, one panel, and a building that clearly has power. What do you do?
