# Problems guides

> What goes wrong: independent, numbers-first guidance from Garage Door Lab.

Canonical: https://garagedoorlabs.com/problems/

Last updated: 2026-11-08

## Symptoms first, quotes second

Most expensive garage door repair mistakes start with a symptom described to a salesperson. The table maps the common symptoms to their usual cause — the diagnosis a contractor should confirm before quoting.

 |  | Symptom | Usual cause

 | Broken spring | Loud bang, door heavy

 | Snapped cable | Door crooked or stuck

 | Off track | Roller out of the channel

 | Opener not responding | Remote, sensor or logic board

 | Reversed sensors | Door closes then reopens

 | Noisy door | Rollers, hinges or balance

## What to document

- Photographs with something for scale, taken at the same angle over time.

- Dates: when it started, whether it changes with weather.

- Water: where it goes, where it pools, what it damages.

- Previous work: who did it, when, and with what material.

## What not to do first

Do not accept a repair scope before the cause is named. Patching a symptom is how the same problem returns next season with a bigger invoice. The [methods hub](/methods/) explains what each fix addresses; the [cost hub](/cost/) shows what it should cost.

### When is it an emergency?

When water is entering the structure, when something is structurally unstable, or when a safety system has failed. Everything else can wait for a second opinion.

### Should I get an independent inspection?

For anything structural or over about $5,000, yes. A few hundred dollars for an independent report is cheaper than a wrong scope.

## Guides in Problems

- [Belt-Drive Opener Maintenance: Safety-First Guide](https://garagedoorlabs.com/belt-drive-opener-maintenance/)
- [Common Belt-Drive Opener Problems and Fixes](https://garagedoorlabs.com/belt-drive-opener-problems/)
- [Broken Spring: How to Prevent It on Your Garage Door](https://garagedoorlabs.com/broken-spring-prevention/)
- [Broken Spring: Repair Options & Costs](https://garagedoorlabs.com/broken-spring-repair/)
- [Broken Spring: Warning Signs You Should Not Ignore](https://garagedoorlabs.com/broken-spring-signs/)
- [Chain-Drive Opener Maintenance: A Safety-First Guide](https://garagedoorlabs.com/chain-drive-opener-maintenance/)
- [Common Chain-Drive Opener Problems Explained](https://garagedoorlabs.com/chain-drive-opener-problems/)
- [Extension Spring Maintenance Guide](https://garagedoorlabs.com/extension-spring-maintenance/)
- [Extension Spring Problems and Fixes](https://garagedoorlabs.com/extension-spring-problems/)
- [Garage Door Repair Maintenance Schedule: Yearly Guide](https://garagedoorlabs.com/garage-door-repair-maintenance/)
- [Garage Door Repair Repair: When It Is Worth It](https://garagedoorlabs.com/garage-door-repair-repair/)
- [Noisy Door: How to Prevent It](https://garagedoorlabs.com/noisy-door-prevention/)
- [Noisy Door: Repair Options](https://garagedoorlabs.com/noisy-door-repair/)
- [Noisy Door: Warning Signs](https://garagedoorlabs.com/noisy-door-signs/)
- [Off Track: How to Prevent It](https://garagedoorlabs.com/off-track-prevention/)
- [Off Track: Repair Options for a Garage Door](https://garagedoorlabs.com/off-track-repair/)
- [Garage Door Off Track: Warning Signs to Watch](https://garagedoorlabs.com/off-track-signs/)
- [Opener Not Responding: How to Prevent It](https://garagedoorlabs.com/opener-not-responding-prevention/)
- [Opener Not Responding: Repair Options](https://garagedoorlabs.com/opener-not-responding-repair/)
- [Opener Not Responding: Warning Signs](https://garagedoorlabs.com/opener-not-responding-signs/)
- [Reversed Sensors: How to Prevent It](https://garagedoorlabs.com/reversed-sensors-prevention/)
- [Reversed Sensors: Repair Options](https://garagedoorlabs.com/reversed-sensors-repair/)
- [Reversed Sensors: Warning Signs](https://garagedoorlabs.com/reversed-sensors-signs/)
- [Sectional Door Maintenance: Safety and Cost Guide](https://garagedoorlabs.com/sectional-door-maintenance/)
- [Common Sectional Door Problems and Fixes](https://garagedoorlabs.com/sectional-door-problems/)
- [Snapped Cable: How to Prevent It](https://garagedoorlabs.com/snapped-cable-prevention/)
- [Snapped Cable: Repair Options for Garage Doors](https://garagedoorlabs.com/snapped-cable-repair/)
- [Snapped Cable: Warning Signs Your Garage Door Needs Repair](https://garagedoorlabs.com/snapped-cable-signs/)
- [Torsion Spring Maintenance: Safety and Cost Guide](https://garagedoorlabs.com/torsion-spring-maintenance/)
- [Common Torsion Spring Problems and Fixes](https://garagedoorlabs.com/torsion-spring-problems/)