At firealarm.com, we’ve encountered various troubleshooting scenarios with the Wheelock E90-24MCC-FR. Common issues include wiring problems, device settings, or even a faulty device itself. Firstly, ensure that the device is properly wired and receiving power. Check for any loose connections or damaged wiring. Next, verify the device settings to ensure they are configured correctly for your application. If everything seems in order, try resetting the device or replacing it if it continues to malfunction. If the issue persists, feel free to reach out to our support team for further assistance.