It is time to replace your garage door opener when it exhibits chronic mechanical failures, such as a motor that hums but fails to lift the door, stripped internal drive gears that slip continuously, persistent electronic logic board failures, or a lack of modern safety reversing sensor compatibility (pre-1993 models lacking photo-eyes). Upgrading also adds modern smartphone app control. Verification: Test the unit's lifting force and check for excessive motor vibration or burning smells during operation.
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