Issue:
Customers may encounter the "E123" error on their Zylker security systems, preventing them from arming the system.
Resolution:
If you're facing the "E123" error on your Zylker security system, follow the steps below to troubleshoot and resolve the issue.
Step 1: Check for Open Doors or Windows
Ensure all doors and windows are securely closed before attempting to arm the system. The "E123" error may occur if any entry points are left open.
Step 2: Inspect Sensors
Check for any loose or disconnected sensors on doors and windows. Ensure they are properly installed and functioning. Reattach any sensors that may have come loose.
Step 3: Enter User Code Carefully
When arming the system, enter your user code carefully and ensure it is accurate. An incorrect code may trigger the "E123" error.
Step 4: Power Cycle the System
- Disarm the security system.
- Disconnect the power source or remove the system's batteries.
- Wait for at least 30 seconds.
- Reconnect the power source or reinsert the batteries.
- Attempt to arm the system again.
If the "E123" error persists after following the above steps, please contact Zylker Support for further assistance. Provide details about the troubleshooting steps you've taken, and our support team will guide you through additional solutions.

Customer Feedback: We value your feedback! If you successfully resolve the "E123" error using the provided steps or if you have suggestions for improvement, please consider sharing your experience with Zylker Support. Your feedback is crucial in helping us enhance our products and support services.
Contact Information: For additional assistance or if you have any questions, please reach out to Zylker Support via chat, email (support@zylkersecurity.com), or phone.
We appreciate your cooperation as we work together to ensure the optimal performance of your Zylker Security System.