View instructions for resolving a sensor malfunction.

View instructions for replacing your door/window contact sensor's batteries.

Learn how to replace the CR2032 battery in your 2GIG-DW20R-345 Door/Window Sensor to resolve low battery notifications on your Brinks Home™ system panel.

Learn how to clear a bypassed DW10E-345 door/window sensor

Learn how to replace the CR2 3-volt lithium battery in your Honeywell 5818MNL Recessed Door/Window Sensor to keep your Brinks Home™ system fully operational.

Learn how to connect the QS1135-840 Door/Window Sensor to the IQ Panel 2 with this step-by-step guide.

Learn how to troubleshoot and resolve sensor malfunctions on the DW20-345 Recessed Door Contact, including steps for checking the battery, signal strength, and alignment.

Step-by-step troubleshooting guide for resolving malfunctions on the Honeywell R-D/W 5818MNL recessed door/window sensor, including low battery, misalignment, and connectivity issues.

Having trouble with your door or window sensor? Learn how to troubleshoot common issues like low battery warnings, tamper alerts, and sensor malfunctions. Follow our step-by-step guide or contact Brinks Home™ Support at 469.391.4024 for expert assistance.

Sensor Malfunction: View instructions for resolving a 2GIG-DW10E-345 Sensor malfunction.

View instructions for replacing your sensor's batteries.

View instructions for replacing your sensor battery.

View instructions for resolving a sensor malfunction.

View instructions for replacing your door/window sensor's batteries.

Get started with your new door/window sensor.

Learn how to fix a sensor tamper error.

View instructions for resolving a sensor malfunction.

View instructions for replacing your door/window sensor's batteries.

Get started with your new door/window sensor.

Learn how to fix a sensor tamper error.