Site terms
Terms of Use
Button Light Guide is an informational database for device lights, status LEDs, blinking patterns, and troubleshooting steps. These terms explain how to use the site responsibly.
Last updated: 2026-05-02
Informational use only
Our pages are built to help visitors understand common device light meanings and decide what to check next. The information is not a replacement for the official manual, manufacturer support, a licensed technician, an electrician, an alarm professional, emergency services, or product-specific safety instructions.
Safety first
Never ignore a smoke alarm, carbon monoxide alarm, burning smell, electrical issue, overheating battery, damaged power device, or active safety warning because of something you read here. If a device may involve fire, electricity, gas, carbon monoxide, medical equipment, security alarms, or life safety, follow the manufacturer instructions and local emergency guidance first.
Sources and accuracy
We aim to use official manuals, support pages, and manufacturer documentation when available. Device models change over time, and light meanings can vary by generation, firmware version, region, or hardware revision. Always verify details against your exact product model.
External links and products
Some pages may link to manufacturer websites, support pages, replacement parts, tools, accessories, or related resources. External websites are controlled by their own owners. Future affiliate links may earn a commission at no extra cost to visitors, and any such use should be read alongside our affiliate disclosure.
Corrections
If you find a page that needs a source update, model correction, wording fix, or safety clarification, contact us through the contact page or email [email protected].