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The Daily Insight

How do I clear my ADT failure Comm?

Author

David Ramirez

Published Feb 25, 2026

How do I clear my ADT failure Comm?

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.

What does FC stand for on my alarm system?

Honeywell VISTA panels include a built-in dialer for sending communication signals via phone line. In some situations, the panel may attempt to use the dialer to send a signal, but it may be unsuccessful in doing so. If this occurs on a panel with a fixed English keypad (such as the Honeywell 6150) then an “FC” message will be displayed.

How do I clear the FC code on my Honeywell alarm?

This will clear the phone number that was programmed. It will also adjust the dynamic signaling settings for the panel to prevent future FC messages. An FC code stands for “Failed to Communicate”. It basically means that the panel attempted to dial out, but its outbound dialing signal was not successfully received.

What does FC stand for in ADT Security system?

‘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. With a few basic steps (outlined below), it is something you can troubleshoot and resolve all by yourself. In this particular case, it is necessary that you reset the FC code.

What does FC code stand for in Honeywell?

An FC code on a Honeywell VISTA System stands for Failed To Communicate. This means that the panel attempted to dial out using its built-in dialer, and it did not receive acknowledgement that the signal was accepted. Learn more about clearing the FC code on a Honeywell security system. ×COVID-19 Alert

What does FC mean on my ADT 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.

What does FC code stand for on Honeywell alarm grid?

– Alarm Grid An FC code on a Honeywell VISTA System stands for Failed To Communicate. This means that the panel attempted to dial out using its built-in dialer, and it did not receive acknowledgement that the signal was accepted. Learn more about clearing the FC code on a Honeywell security system.

What does a FC code mean on a cell phone?

An FC code stands for “Failed to Communicate”. It basically means that the panel attempted to dial out, but its outbound dialing signal was not successfully received.

What does Comm fail mean on a Honeywell alarm?

On an alphanumeric keypad. like the Honeywell 6160, you will instead see the message “Comm Fail”. For all intents and purposes, these messages can be treated as the same issue. Update: As of March 2020, we understand that some users are still using phone lines for alarm system communication.