Take a breath. Most of the time, a door that won't open is something simple. Let me walk you through it before you assume the worst.
I get these calls every day. Someone hits the button, nothing happens, and they immediately think they need a new door or a new opener or that something catastrophic has failed. Nine times out of ten, it's something minor. And about half the time, you can fix it yourself in five minutes without any tools.
Let's start with the easy stuff and work our way up.
The Simple Stuff You Should Check First
Is the door manually locked? This catches people more often than you'd think. Most garage doors have a manual lock — a slide bolt or T-handle on the inside. If someone turned that lock, the opener will strain against it and either stall or just refuse to move. Check the inside of your door for a horizontal bar that slides into the track. If it's engaged, slide it back. Try the opener again.
Did the power go out? Check your breaker panel. Garage door openers are typically on their own 15-amp circuit. If the breaker tripped — which happens after power surges, storms, or if someone plugged a space heater into the same circuit — your opener has no power. Flip the breaker off, wait ten seconds, flip it back on. Also look at the outlet the opener plugs into. Some openers plug into a ceiling outlet that you can't easily see from the ground. Occasionally, vibration from the opener motor works the plug loose over months of use.
Dead remote battery. It sounds obvious, but this is the number one "my garage door is broken" call we get. Remotes use standard batteries — usually CR2032 or a AAA — and they die without warning. Try the wall button inside the garage. If the wall button works but the remote doesn't, replace the remote battery. Problem solved.
Check the wall button wiring. If the wall button doesn't work either, look at the two low-voltage wires that connect it to the opener unit on the ceiling. These wires get bumped, snagged, or chewed by mice. If a wire came loose from the terminal, push it back in and tighten the screw. If you see damage, a few feet of bell wire from the hardware store is all you need.
Photo eye sensors. Your opener has two small sensors at the bottom of the door tracks, about six inches off the ground. If they're misaligned, blocked, or dirty, the door will close partway and reverse — or refuse to close at all. Wipe them with a dry cloth. Make sure both lights are lit (one should be green, one amber on most models). Nudge them gently until they're pointing directly at each other. If a sensor got knocked by a bike or a garbage can, that's probably your whole problem.
The emergency release cord. If your door won't open with the opener and you need to get out now, pull the red emergency release cord hanging from the opener track. Pull it straight down and toward the door. This disconnects the door from the opener so you can lift it manually. On a door with working springs, it should lift easily with one hand. If it feels incredibly heavy, stop. That's telling you something important, which I'll get to in a moment.
When It Is Something Bigger
The door is extremely heavy to lift. If you pull the emergency release and try to lift the door manually and it barely budges or feels like it weighs a thousand pounds, your spring is almost certainly broken. A garage door spring counterbalances the weight of the door. Without it, you're trying to lift 150 to 400 pounds of steel or wood by yourself. Don't do it. Don't force it. Don't try to rig something up. A broken spring needs professional replacement. The springs are under extreme tension and injure people every year. Call us and we'll have it fixed the same day in most cases.
How to tell if a spring is broken without even trying to lift the door: look at the springs above the door (torsion) or along the sides of the tracks (extension). A broken torsion spring will have a visible gap in the coil — a space where the metal separated. A broken extension spring might be hanging in two pieces. You'll often hear a spring break. It sounds like a gunshot or a car backfiring inside your garage.
The opener motor runs but the door doesn't move. Two likely culprits here. First, the trolley might be disconnected. If someone pulled the emergency release cord (or it got pulled accidentally), the opener motor will run but it's not connected to the door. Look at the track that runs from the opener to the door. You should see a trolley — a plastic or metal piece that connects to the door arm. Pull the release cord toward the opener (not toward the door), then press the wall button. The trolley should re-engage. Second possibility: the opener's internal gear is stripped. This is common on older Chamberlain and Craftsman openers. You'll hear a grinding or clicking sound when the motor runs. The gear is a $15 part, but replacing it involves disassembling the motor housing. We can do it, or you can do it yourself if you're handy — look up your model number for a tutorial.
The door goes up a few inches and stops. This usually means the torsion spring is losing tension but hasn't fully broken yet, or the opener's force settings need adjusting. It can also mean something is blocking the track — a loose bolt, a bent roller, or debris. Look along both tracks from floor to ceiling. If you see anything physically blocking the door's path, that's your answer.
The door is off track. If the door looks crooked, has a gap on one side, or a roller has popped out of the track, do not try to force it open or closed. An off-track door can fall, and it will fall fast. This is a two-person professional job involving careful re-alignment of the rollers into the track. Call a pro.
Nothing happens at all — no sound, no light, no motor. If the wall button does nothing, the remote does nothing, and the opener light doesn't come on, it's either a power issue (check the breaker and the outlet) or the opener's logic board has failed. Logic boards can die from power surges, especially in Central Oregon where summer storms pop breakers regularly. A surge protector on your opener's outlet is cheap insurance. If the board is dead, we can usually replace it the same day for less than the cost of a new opener.
The bottom line: when to call. If it's a dead battery, tripped breaker, locked door, or dirty sensor — you've got this. If it's a broken spring, snapped cable, off-track door, or dead opener motor — that's our department. Call 541-203-7676. We stock the parts on our trucks. Most repairs take an hour or two, and we'll tell you the cost before we start.
Don't panic. Most of the time, it's the easy stuff.