Common mechanical and electronic problems reported with garage door openers include misaligned or blocked safety reversing sensors (photo-eyes) that cause the door to reverse or refuse to close, stripped internal nylon drive gears from heavy lifting strain, snapping extension or torsion springs, intermittent remote control signal interference, and Wi-Fi connectivity dropouts. Regular lubrication of moving parts and annual spring checks prevent most sudden failures. Safety Warning: High-tension springs store lethal force; never adjust springs without proper tools. Verification: Inspect sensor LED lights and test door balance manually using the emergency release rope.
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