Garage Door Troubleshooter
Fast, safe checks for the most common garage door problems — won’t open, won’t close, reversing, strange noises,
remote/keypad issues, power outages, drafts, and gaps.
No risky DIY repairs
Clear “call a pro” boundaries
Quick Finder
Choose the closest match:
Category Guides (Pillar Posts)
Start with a pillar guide, then jump into specific symptom posts inside the category.
Won’t Open / Won’t Close
Door stuck closed? Won’t close? Stops partway? Start here.
Sensors / Safety / Reversing
Blinking sensor light? Door reverses while closing? Start here.
Opener / Remote / Keypad
Remote works only up close? Keypad dead? Wall button vs remote issues.
Power / Lights / Battery Backup
No opener lights? Outage problems? Battery backup beeping?
Noises / Vibration
Grinding? Rattling? Loud bang? Learn what each sound usually means.
Weather / Seal / Insulation
Drafts, gaps, water, pests — fix comfort issues safely.
Start with the safest next step
If your door feels heavy, binds, slams, or behaves unpredictably, stop using the opener and get professional help.
This site focuses on safe checks only.
New problem? Use the Index
Fastest way to match your symptom to the right guide.
Find your symptom in under a minute
Use the index, pick a match, and follow the safe checks. If anything feels unsafe, stop and call a pro.