What does FC mean on my ADT alarm system?

Asked By: Asier Marigil | Last Updated: 3rd March, 2020
Category: home and garden home security
4.2/5 (4,863 Views . 43 Votes)
If your ADT security system is showing 'FC' then it is not communicating as it should. 'FC' stands for 'Failed Communication,' and is a common issue with ADT security systems. Luckily, minor issues like this do not require that you contact ADT to resolve. Step 1: Locate the reset button on your ADT alarm keypad.

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Similarly, it is asked, what does FC mean on my alarm system?

FC is an error code indicating that your security system is having trouble communicating with our monitoring center through the phone line. Check to ensure that your security system is connected to the phone line. You will need to locate the phone line connection, in or around your security system panel.

One may also ask, how do I reset my ADT alarm system? The security system may need to be reset by entering your code into your system and hitting off twice. Remember to remove the system from Test Mode. Go to MyADT.com and click on My Alarm from the System Management option, select Stop Test to remove the system from test mode and restore operations.

Herein, how do I reset the FC code on my alarm?

You can clear the FC code on your Honeywell alarm by entering [Installer Code] + [800] + [*41*] + [*42*] + [*54] + [#15] + [*55] + [1] + [*99]. This will clear the phone number that was programmed.

What does 6f mean on alarm system?

The 6F message on your alarm system means that there is a problem with your system's communicator. This message is actually supposed to be bF, but some users misread it as 6F. The message will only be displayed on Fixed English Keypads. Alphanumeric Keypads will display Check 103.

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How do I troubleshoot my ADT alarm?

This can be done by logging into MyADT.com and selecting My Alarm, then click System Management and then select Place System on Test. You can also call 800-ADT-ASAP to put your system into Test Mode. Watch this video to learn more about avoiding false alarms.

How do I stop my ADT alarm from beeping?

Most systems will begin beeping or chirping as a result of a total power outage or failure to recharge the system backup battery. For many of our most popular systems, beeping alarms and low battery trouble beeps can be silenced by pressing the [OFF] or [#] buttons from the keypad.

How do I reset my alarm system?

How to Reset a Home Alarm System
  1. Check the manufacturer's website for installer instructions.
  2. Check out do-it-yourself alarm support sites (see References below).
  3. Locate the power source to the Main Control Panel.
  4. Disconnect the backup battery in the Main Control Panel.
  5. Leave power off for a minimum of five minutes.
  6. Reconnect the battery leads.

What is a tamper alarm?

The tamper on your alarm system is for preventing intruders from disabling your system. Simply put, a tamper is activated when the back cover on a system is opened. By opening up the back cover, a person could potentially remove the backup battery and attempt to power down the system.

How do you reset your house alarm after a power cut?


How to Reset a Home Alarm After a Power Outage
  1. Locate the "System" or "System Status" button on your home alarm keypad.
  2. Wait until the AC power is restored to your home.
  3. Lift the cover of the circuit breaker box and find the breaker that controls your home alarm system.
  4. Replace the backup battery in the home alarm keypad.

How do I reset my alarm without the code?

How to reset the installer code
  1. Unplug the transformer from the power source.
  2. Disconnect the battery.
  3. Plug the transformer back in.
  4. Reconnect the battery.
  5. Within 30 seconds of turning the alarm system on, press * and # at the same time.
  6. Enter *20.
  7. Enter a new 4 digit installer code.
  8. Press *99 to exit programming mode.

How do I reset the code on my ADT alarm?

How to Reset an ADT Home Alarm
  1. Press the star key on the keypad in the control console, followed by the number 5.
  2. Enter the two-digit number assigned to the user whose code you want to change, generally a number from 01 to 32.
  3. Select and enter a new four- or six-digit user code, based on the system you have, and press the pound key to finish.

How do I stop my house alarm from beeping with low battery?

If faulty or dead batteries are not the cause, try to silence your alarm.

Most standard systems will allow you to stop the beeping using one of the following methods:
  1. Disarm your system by entering your unique code.
  2. Arm your system and immediately disarm.
  3. Press the status button on your keypad.

How do I turn off my ADT alarm without the code?

How Do You Stop an ADT Security Alarm After It Goes Off?
  1. Go to your home alarm's keypad and enter the code you were given that shuts off the alarm. This code is given to you when you first have the alarm installed.
  2. Go to your alarm's transformer box and remove the battery.
  3. Go to your home's circuit breaker.
  4. Flip off the switch and your alarm will shut off.

Why is my house alarm beeping?


Most often this is due to a loose sensor or a faulty battery. Household alarms have a display screen on the main control panel that indicates which sensor is causing the beeping. To fix a house alarm system that keeps beeping sometimes requires bypassing the zone that the sensor is in altogether for a short time.

What does check long range radio mean on ADT alarm?

The message "103 check lngrng radio" on your ADT System means that there is a problem with the system's backup communicator. The message can only appear on Alphanumeric Keypads. If you have a Fixed English Keypad for your ADT System, then you will see bF instead, which means "backup failure".

Can you still use ADT alarm without monitoring?

If you are asking if you can use an ADT without monitoring, the answer is yes. As long as you don't owe ADT for any signed contract, you should be able to cancel the monitoring service and then just use it as a local non-monitored system.

What happens if I unplug my ADT system?

If you unplug you ADT or any other security system, it will most likely start beeping the keypad alerting you of the AC power loss. If you silence the keypad, usually by entering your code and leave the power disconnect, eventually the keypad will start beeping again alerting you to a low battery condition.

Can you use an alarm system without monitoring?

Depending on the company, a home alarm may continue to work without monitoring. Customers who cancel their monitoring service can try resetting their home security equipment. They may find that their home security system is still mostly functional.

Why does my ADT Alarm say trouble?


A trouble signal (sometimes indicated in the alarm history by the abbreviation TR) indicates a possible problem or difficulty with your security system, such as a loose wire, a poorly aligned sensor or a low battery status.

How do I reset my ADT alarm battery?

How to Reset My ADT Panel After Battery Replacement
  1. Press the "Status" button on the panel two times.
  2. Enter your user code and push "8."
  3. Enter the user code and "1" to reset the panel.

How do I turn off my ADT alarm system?

To arm your system, tap the green icon. Choose if you'd like to arm your system stay or away. To disarm your system, tap the red icon.