Dsc Alarm Trouble Light After Power Outage



What Does “Com Fail” Mean?

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A “Com Fail” message on your security system keypad means that a your control panel attempted to transmit a message to the central station and failed. This can happen for a variety of reasons. Most commonly, a loss of phone service due to a power outage. Even a temporary loss of power may result in a “com fail” message.

Code 2: Loss of AC Power. This means your panel isn’t getting power. If your building or the. Your backup battery in the panel box is low and potentially in need of replacement. If you have had a recent power outage, allow 12-24 hours for the battery to recharge. If it does not, it is time to replace the battery. Contact Alarm Systems at 706-291-7577 for information on panel battery replacement cost. Bell / Horn trouble.

Note: A “com fail” message does NOT necessarily indicate that your security system is not working now… It only means that there was a temporary loss of communication. Often, this happens in the middle of the night when your system is attempting to send a test message to the central station. So, in the morning, as you are leaving for work, you may see a “com fail” message on your keypad. Before you leave, take a moment to clear the message by following these steps:

Alarm doesn't work after power cut. Is your alarm no longer working after a power cut? You probably need to reset it. This can often be as simple as entering your 4-6 digit master code (if you’re not sure of your master code, try your usual code used to arm/disarm. If this doesn’t work, try pressing the ‘reset’ button on the keypad. I have DSC LCD5501Z keypad. The trouble light is on constantly. The beeping will start and stop randomly, even when pressing the # key. The trouble indicator is 4, but I do not have a monitoring contract any longer. How do I fix the trouble 4, remove the trouble light and quiet this beeping. Thanks in advance for any assistance.

How To Clear The “Com Fail” Message:

Clearing the “com fail” message is easy. It involves simply sending a signal through to the central station… “Clear the line,” so to speak.

Dsc Alarm Trouble Light After Power Outage

Dsc Alarm Trouble Light After Power Outage Today

  1. Step One: Call the SHIELD Security Systems business office: 1-800-4-SHIELD (1-877-735-3110).
  2. Step Two: State that you had a “com fail” and need to clear your alarm panel.
  3. Step Three: Give your false alarm password. (Your system will be put in “test mode” temporarily.)
  4. Step Four: Arm your system.
  5. Step Five: Open a door or window… Let the siren blare for at least 20 seconds
  6. Step Six: Silence the system by entering your user code.

Done! – Your system keypad should be cleared.

Other Common Issues:

“Com Fail” is one of several trouble messages that you may see on your security system keypad. Although it is concerning to see any trouble message, in most cases the problem is temporary and can easily be handled.

Below is a chart that shows some of the most common reasons of alarm system trouble.In some cases, you’ll be able to fix the problem yourself. For more complicated issues, however, you’ll need to schedule a service call for a professional service technician to assess and fix the problem.

While the the possible causes of a lit trouble light are endless, the most probable cause and solutions are outlined here:

PROBLEMPOSSIBLE CAUSESSOLUTION
Low Battery On Main Control PanelNormal control panel battery life is 2-5 years.Replace the battery in the control panel.
Power SupplyControl panel outage, power outage to the house, loss of power to plug, transformer for the system is dead.Check the plug that the system transformer (a little 3″x3″ cube) is plugged into. It could be “dead” due to lack of power to the house, a tripped circuit breaker or a “popped” GFI plug (usually located in the basement).

Reset power; all should go back to normal (unless the transformer for the system went bad –If that happened, you’ll need a service call.)

Telephone Line TroubleTraditional “land line” systems are always looking for dial tone to control panel. If the house phone is dead this trouble condition will exist.Check to see if your phone line is working. You may want to contact your phone service provider to have them test it remotely.
Low Battery On Wireless DevicesNormal battery life on a wireless device is 3-5 years.Replace the battery in the device that has a low battery or schedule a service call to have trained technician replace the battery. (We highly recommend replacing ALL wireless device batteries when one is showing up as “low.”
Communication Failure “COM FAIL”The control panel attempted to get a signal to the central station and it failed.First, determine if your phone line is working. (Have your recently lost or changed phone service?) To clear “Com Fail” message, call our office and have us put your system on “test.” Then, arm the system and open a device on your system (eg. window). Let the system go into alarm (actually making the siren sound). At this point, the system will send a signal to the central station and clear your communication failure. If this does not work, you’ll need a service call so that a trained technician can assess and fix the problem.
General Wiring ProblemsSome wiring from the control panel to the devices in the house is “supervised” for integrity. If a wire gets cut, chewed through by an animal or just breaks, this could cause a trouble condition on the system.There is usually nothing you can do to fix this trouble condition. A service call will be needed so that a trained technician can assess and fix the problem.

Main Takeaway:

If you notice a “com fail” message on your keypad, call us. Warning signs like “beeps” and “blinks” means that something is not quite right and should be fixed. Ignoring the problem or waiting until “later” isn’t the most desired solution. And, on behalf of all the security providers out there, please don’t wait til the day before you plan to leave for vacation to alert us to the problem! Chances are, your issue can be handled right over the phone. Worst case, a service call might be in order.

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Is the yellow ‘trouble’ LED lit on your alarm keypad? DSC uses LED codes to indicate trouble details for all keypads that don’t have an LCD readout display. The following applies to all PowerSeries panels, which include PC1616, PC1832, PC5010, PC5015 and others.

Dsc Alarm Trouble Light Reset

To view system troubles, press:

  1. Service Required (press [1] for more information)
    1. Low Battery (main battery in panel)
    2. Bell Circuit
    3. System Trouble
    4. System Tamper
    5. Module Supervision
    6. RF Jam Detected
    7. PC5204 Low Battery
    8. PC5204 AC Failure
  2. AC Failure
    • AC power is not present at the panel (the system is operating on stand-by battery power.
  3. Telephone Line Trouble
    • The panel does not detect an active telephone line.
  4. Failure to Communicate
    • The system attempted to communicate with the monitoring station but failed.
  5. Zone Fault (press [5] for more information)
    • The system is experiencing difficulties with one or more sensors or zones.
    • Press [5] for the keypad to display which zone is experiencing the fault.
  6. Zone Tamper (press [6] for more information)
    • The system has detected a tamper on one or more sensors on the system.
    • Press [6] for the keypad to display which zone is tampered.
  7. Device Low Battery (press [7] for more information)
    • A wireless device has a low battery.
    • Press [7] for the keypad to display which zone has a low battery.
  8. Loss of System Time
    • If complete power was lost (AC and battery), the time and date will need to be re-programmed.
    • To program the time, press

admin • 14/02/2015

Dsc Alarm Trouble Light After Power Outage Pge

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