Troubleshooting checklist
A single ordered list that takes about five minutes and narrows most problems down to a cause. Start here if something is wrong and you do not yet know what.
Open the checklistTroubleshooting, safety, and the questions worth thinking through before you accept a quote. Written to be useful on their own.
Resources
These are written to be useful on their own, whether or not you ever call anyone. Where a job is genuinely dangerous we say so, and we say where to stop.
A single ordered list that takes about five minutes and narrows most problems down to a cause. Start here if something is wrong and you do not yet know what.
Open the checklistWhat is genuinely dangerous on a garage door, what is safe to do yourself, and the parts where people get seriously hurt.
Read the safety guideA straight framework for deciding, based on the state of the door rather than its age. Useful before you accept a quote either way.
Work through the decisionExtension springs, wood doors, and why coastal air changes what ages first. Genuinely useful if your house predates the 1970s.
Read the guideThe short version
Before assuming the opener is broken, check whether something is in the way of the door or the sensors, and whether the door moves by hand. Half of “my opener is broken” calls are neither.
Dust and road film are enough to stop a door closing or to make it reverse. It takes a minute and it fixes a surprising share of calls entirely.
Not to adjust, not to wind, not to replace. This is the one part of a garage door where the stored energy can kill, and it is where essentially every serious DIY injury happens.
That is genuinely useful — you have already ruled a lot out. Tell us what you found and what the door is doing and we will pick it up from there rather than starting again.
No obligation, no pressure, no upselling a door you don’t need.
FAQ
Some of it, yes. A lot of garage door problems are an obstruction, dirty safety sensors, a dead remote battery, debris in the tracks, or a roller that just needs lubricating. The parts to keep away from are the springs, the extension spring cables, and the torsion tube — those hold enough energy to cause a serious injury.
When the door will not move, when it will not close, when anything is broken inside the mechanism, or when the door is unsecured. Also worth calling for anything involving the cables, the drums, the brackets, or the rollers if you have not done that work before. If a guide here tells you to stop and call, that is the intended advice.
Because the door is a system rather than a single part, and the springs, cables, rollers, tracks, and opener are all designed around one another. A fault in one is usually showing up in another. That is also why an assessment of the whole door tends to be more useful than replacing whichever part failed most recently.