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Most issues are due to a faulty power supply, which provides a stable operating voltage for the light source.
Problems in converting AC to DC can lead to the LED floodlight not illuminating or flickering continuously. Generally, these cannot be repaired, and the power supply needs to be replaced. Ensure you understand the series and parallel numbers, current voltage, and whether it's full wattage before replacing it. Incorrect replacement could lead to failure or insufficient brightness.
Another phenomenon is the floodlight brightening for a while then starting to flicker or flickering immediately upon turning on. This instability in power supply components leads to flickering, caused by poor quality or inadequate heat dissipation. After operating for some time, the temperature of the power supply itself increases, causing instability. Large temperature variations between seasons can also impact the operation, making such power supplies faulty. If it's a power supply issue, using a higher quality one could resolve the problem; many now come with a 5-year warranty, assuring 5-6 years of usage without major issues.
Check if there are black spots in the sealant around the LED beads, caused by either prolonged use at high temperature or overly high current from an unstable power supply (or poor quality light source), leading to open circuits or failure.
Poor heat dissipation in the light source can cause significant light degradation or burnout. Additionally, inadequate waterproofing leading to water ingress can also cause the beads to burn out.
If the casing is intact, replacing LED beads is an option, but ensure compatibility with the power supply's output.
Dim lighting can be due to either a faulty light source or power supply, requiring multimeter tests for accurate diagnosis.
Dimming over time indicates poor light source quality with significant degradation, leading to progressively dimmer output with extended use.
Check for issues with soldering on the LED beads, loose connections, breaks in the power input line, or damage to the driver's connecting line.
Poor waterproofing can destroy both the light source and power supply, requiring replacement of parts or manufacturer assistance if knowledgeable. The main issue generally lies with substandard quality.
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