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Craftsman 20057933 model garage door opener error codes
These error code explanations can help you diagnose a problem with your Craftsman 20057933 model garage door opener. For repair how-to help, visit the PartsDirect repair help section, which includes DIY help for garage door openers, refrigerators, other major appliances, lawn and garden equipment, water heaters/softeners and more. Search for your model number to find a complete list of replacements parts available for your garage door opener.
This Craftsman garage door opener flashes lights to indicate a component failure.
Error Code
Condition
DIY advice
Door doesn't close and light flashes
Safety sensors are misaligned or sensor wires are broken
Check/Repair
Realign the safety reversing sensors so that the red LED on the receiving sensor glows steadily. Reconnect any loose wires between the safety reversing sensors and the logic board. Replace the safety reversing sensor wires if damaged.
Possible parts
Safety sensor wires
Light flashes 5 times and opener won't start
Motor overheated
Check/Repair
The motor can overheat if the door is opened and closed several times in a row. Unplug the garage door opener to reset the logic board. Allow the motor to cool for about 15 minutes before restoring power and using the garage door opener. Pull the emergency door release and check the up-and-down travel of the garage door for binding. Repair the garage door if it doesn’t travel smoothly. If it overheats after a single use and the garage door travel is smooth, replace the motor.
Possible parts
Motor, Garage door components
Door won't close and green LED light on sending safety sensor flashes
Safety sensors are misaligned or obstructed
Check/Repair
Remove the obstruction between the safety sensors or realign the safety reversing sensors so that the red LED on the receiving sensor glows steadily.
Possible parts
Most common symptoms to help you fix your garage door openers
Choose a symptom to see related garage door opener repairs.
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Main causes: neighbor's remote programmed at the same time as yours, faulty wall control wiring, bad wall control unit…
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Main causes: safety sensor beams blocked, safety sensors not aligned, downforce setting needs adjustment, damaged garage…
Main causes: loose fasteners, broken brackets, need preventive maintenance, worn drive gears, loose or worn belt, loose …
Most common repair guides to help fix your garage door openers
These step-by-step repair guides will help you safely fix what’s broken on your garage door opener.
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Repair difficulty
Time required
60 minutes or less
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Repair difficulty
Time required
60 minutes or less
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How to replace a garage door opener drive chain and cable assembly
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Repair difficulty
Time required
60 minutes or less
Effective articles & videos to help repair your garage door openers
Use the advice and tips in these articles and videos to get the most out of your garage door opener.
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Learn how to open a garage door manually if power to your garage door opener fails.…