FACP FACP Troubleshooting & Diagnostics

Question 1

A fire alarm control panel displays a 'ground fault' trouble condition. What is the most likely cause?

Accepted Answer

A wire in the system is contacting a grounded surface

Answer

The panel battery is low

Answer

A detector head is dirty

Answer

The AC power supply has failed

Question 2

Which tool is most useful for locating a wire-to-wire short circuit in an SLC loop?

Accepted Answer

Multimeter set to resistance (ohms)

Answer

Clamp meter

Answer

Oscilloscope

Answer

Voltage tester

Question 3

An initiating device circuit (IDC) shows an 'open' trouble. What does this indicate?

Accepted Answer

A break in the wiring continuity of the circuit

Answer

Too many devices are connected

Answer

A detector is in alarm

Answer

The panel software needs an update

Question 4

After replacing a smoke detector, the FACP still shows a trouble for that address. What is the FIRST diagnostic step?

Accepted Answer

Verify the replacement detector is fully seated in its base

Answer

Reset the entire panel

Answer

Replace the entire SLC card

Answer

Check the battery backup level

Question 5

A notification appliance circuit (NAC) shows a 'short' trouble. Which condition would cause this?

Accepted Answer

Positive and negative conductors are touching each other

Answer

The end-of-line resistor is missing

Answer

A horn/strobe has burned out

Answer

The panel output voltage is too high

Question 6

The FACP event log shows repeated 'detector dirty' warnings for one address. What is the appropriate corrective action?

Accepted Answer

Clean or replace the smoke detector at that address

Answer

Adjust the sensitivity threshold to maximum

Answer

Disable the detector point

Answer

Replace the entire loop card

A fire alarm control panel displays a 'ground fault' trouble condition.What is the most likely cause?