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Some LEDs Look Dark: Invisible NIR or a Fault?
Dark-looking emitters are not automatically faulty—or automatically working. Compare the exact mode and indicators with the manual, understand the limits of phone images, and document unresolved concerns for manufacturer support.
Reporting a Problem with a Light Therapy Device
A clear incident record separates symptoms from assumptions about their cause. Learn what to document, how to preserve the device and instructions, and which official reporting route to use.
Has LED Output Changed Over Time?
A dimmer appearance is not proof of LED degradation. Learn how baseline records, comparable optical measurements and model-specific service criteria help evaluate a change in output.
Cleaning an LED Mask at Home
Cleaning an LED mask starts with its exact manual. Learn what to verify for the mask, straps, eye accessories and controller, and why a home cleaning method does not establish...
Pressure Marks and Poor LED Mask Fit
Pressure marks and slipping call for a model-specific fit check. Learn what to document, why tighter contact is not a treatment goal, and which skin or eye symptoms need attention.
LED Device Will Not Charge or Switch On
When an LED device will not charge or switch on, start with its exact model and official instructions. Record the power accessories, indicators, and exterior condition, then contact authorized support...
An LED Mask Feels Hot: Comfort, Contact or Equipment Trouble?
Heat does not prove an LED mask is effective or safe. Learn how to separate skin discomfort from contact and electrical-component concerns, preserve a useful incident report, and seek model-specific...