LED neon sign troubleshooting should start with the power path, not the glowing tube. This guide explains the real causes of flickering, dead sections, dim output, overheating, color errors, moisture damage, and premature failure—and what to check before replacing the sign.
Custom Signage Factory manufactures commercial signs for sign companies, contractors, distributors, and multi-site brands. With a 20,000 m² workshop, 80+ production workers, 50+ machines, and an annual capacity of 100,000 pieces, we produce LED letters, light boxes, pylon signs, gas station signage, neon signs, and custom OEM sign systems.
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