Fire Panel Troubleshooting Multiple Choice Questions

What does the “DET FAILED TEST” message mean on a fire panel?

• The detector is in initialization mode

• The detector failed the panel’s self-test for alarm

• The detector is missing a resistor

• The NAC circuit has reversed polarity

What should you do when a detector fails its test?

• Reset the panel twice

• Reprogram the SLC loop

• Remove and replace the detector

• Disable the detector until next inspection

What does the “DUAL ADDRESS” trouble signal mean?

• Two NACs are assigned the same voltage

• Two devices are assigned the same SLC address

• One SLC has a short

• A detector and a relay are swapped

How do you fix a dual address error?

• Unplug the SLC cable

• Silence the buzzer

• Readdress one of the devices

• Swap the device type

What is happening during “INITIALIZATION MODE”?

• The panel is resetting

• A device is overheating

• The NAC is being tested

• A beam detector is starting up

What should you do if a detector is in initialization mode?

• Replace the module

• Wait for it to finish

• Disable the panel

• Remove the device

What does “INVALID RESPONSE” mean on the panel?

• The detector is too old

• The panel was unplugged

• The device sent an unexpected signal

• The FACP lost AC power

What's the first step for handling an invalid response?

• Restart the loop

• Check wiring and addressing

• Add a new relay

• Disable the loop temporarily

What does “MAINTENANCE REQ” mean for a detector?

• It needs to be replaced

• It failed its address check

• It needs cleaning

• The wiring is damaged

What do you do if a detector shows “MAINTENANCE REQ”?

• Ignore the message

• Replace the FACP

• Clean the detector

• Reboot the power supply