Common problems reported with LiftMaster garage door openers include misaligned or blocked safety reversing sensors (photo-eyes) causing 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 on smart models. Safety Warning: High-tension springs store lethal force; never adjust springs without proper winding tools. Verification: Inspect sensor LED lights and test door balance manually using the emergency release rope.
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