How to Maintain Your New LogicMark PERS Device

No matter what system you choose, a personal emergency response device requires regular maintenance to ensure that it's always working correctly. Without routine maintenance, you or your loved one could find themselves stranded with no way of calling for help in an emergency. Here are a few things we recommend doing to help you keep your system operational for years to come.

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1. Run a full system check every two weeks

Running a whole system check allows your unit to detect issues on its own so that you may troubleshoot if necessary.

To run a full system check, you would press the test button on the back or bottom of the pendant and hold it until you hear a DOUBLE BEEP. You should then hear a dial tone and “All functions are ok.”


If you hear any message other than that, call us at 1-800-519-2419 for tech support.


2. Check the battery life on your unit every two weeks

Checking the battery life of your unit every two weeks helps you always to have a good idea of what battery level you are at currently. Without reviewing your batteries, you put you or a loved one at risk for being stranded in an emergency if the pendant or the base has died.

To check your batteries, press the test button on the pendant one time until you hear a single beep then let the button go. The pendant will perform a battery check. It should say “Battery is okay.” If the message states “Battery is low and needs to be replaced” or “Battery is low and needs to charge” do the following:


  • If you have a FreedomAlert, LifeSentry, or CaretakerSentry (with a 2-way voice pendant) unit, there is a second battery in the base unit that charges while you use the one in the pendant. The charging station for the Freedom Alert and Life Sentry is located right below the power and info light. On the Caretaker Sentry, it is located on the underside of the base.

  • If the green info light is blinking on the FreedomAlert or LifeSentry, most of the time it means the battery inside the pendant is low and needs to be switched with the one in the charging base. You would slide the battery cover down and remove the battery from the charging station, then unscrew the cap on top of the pendant and remove the battery out of the pendant. Place the pendant battery into the charger so that the flat silver part of the battery is touching the spring, then take the battery that was in the charger and place into the pendant so the flat negative side of the battery will touch the spring in the cap.

  • If you need to recharge the battery in the Guardian Alert unit, you would rest the pendant in the charging base until the red light on the pendant turns green. This usually takes 1-3 hours.

If you have any trouble with that, call us at 1-800-519-2419 for tech support.


3. Replace the batteries every year

The batteries we use in our units have a lifespan of 1.5 to 2 years before they need to be completely replaced. If you continue to run system tests and battery checks every two weeks, you shouldn't need to replace the batteries every year. However, if you don't run the system checks, we recommend you replace them once a year to be safe.

The units use a specialty battery made by Primary Volt and can be purchased either online atprimaryvolt.com or by calling us at 1-800-519-2419


For additional tech support or if you'd just like to let us know how we're doing, please contact us today!

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