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Taxi Cab LED Sign – Power Supply Replacement Guide
This guide explains how to identify and replace the power supply in your LED taxi cab sign. It includes key safety steps and optional diagnostic testing for experienced users. Tools and Materials Phillips-head screwdriver S2 TA (Triangle) screwdriver bit – for tamper-resistant screws on the housing Multimeter (optional) Protective gloves... -
How do I troubleshoot power or controller issues?
Power or controller issues can cause your LED sign to be non-operational, turn off randomly, or show blackouts. These problems may stem from a failing power supply or a faulty controller card. Below are step-by-step troubleshooting instructions for customers to diagnose and resolve these issues, with technical guidance for support... -
Why does my sign turn off randomly or show blackouts?
Random shutdowns or blackouts on your LED sign can be caused by loose or damaged cables, a failing power supply, a malfunctioning video card, or a faulty controller card. Below are step-by-step troubleshooting instructions for customers to identify and resolve the issue, with technical guidance for support staff to assist... -
Why is my sign completely non-operational?
If your LED sign is completely non-operational (e.g., no display, no lights, or no response), the issue could stem from power supply failures, controller problems, or software connectivity issues. Below are step-by-step troubleshooting instructions for customers to diagnose and resolve the problem, with technical guidance for support staff to assist...