Genie · Garage Door Opener error code

Excelerator 5 blinksSafe-T-Beam fault

Single source Power off, standard tools

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Related diagnostic guides

Guide · Garage Door Opener

Garage opener light stays on, or will not light

A light that stays on is usually a feature (light button, motion detection, safety-light on beam break) or a door control/wiring fault; Chamberlain gives a test that separates the door control from the logic board. A dead light is usually the bulb, its type, or the socket.

4 steps ~30 mineasy

Guide · Garage Door Opener

Garage door reverses or will not close (safety sensors)

Nearly always the photo-eye safety sensors: blocked, misaligned, sun-blinded or miswired. Sensors must be repaired, never bypassed. If sensors are fine, look at force/limits and door binding.

5 steps ~30 mineasy

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Genie · Garage Door Opener

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Force settings incorrect

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Excelerator 6 blinks

Wall console fault

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