Garage Door Opener Not Working? Troubleshooting Guide for Australians
Remote not responding? Wall button doing nothing? Before you call for a new opener, try these quick checks - 70% of opener issues are simple fixes you can do yourself. This guide covers the most common opener problems and when professional repair is needed.
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Quick Answer: What to Do Right Now
✓ Try these safe checks first:
- Replace remote batteries (CR2032 or AAA)
- Check the wall switch is responsive
- Ensure opener is plugged in and power point is on
- Look for blinking lights on the motor unit
- Check safety sensor alignment (lights should be solid)
⚠ Call a professional immediately if:
- Motor hums but door doesn't move
- Opener makes grinding/clicking sounds
- Door reverses immediately after closing
- Opener is more than 15 years old
- Burning smell from the motor unit
Common Opener Problems & Solutions
| Symptom | Likely Cause | Safe DIY Check | Call a Tech If... |
|---|---|---|---|
| Remote not working | Dead batteries or needs reprogramming | Replace batteries (CR2032 or AAA) | New batteries don't fix the issue |
| Wall button not working | Wiring issue or faulty button | Check power supply to opener | Power is on but button still unresponsive |
| Motor runs but door doesn't move | Broken gear, stripped drive, or disconnect engaged | Check if manual release cord was pulled | Release is engaged but door still won't move |
| Door reverses immediately after closing | Safety sensors misaligned or obstructed | Clean sensors and check alignment (green lights solid) | Sensors are aligned but issue persists |
| Opener makes grinding noise | Worn gears or chain/belt tension issue | Listen to locate where noise comes from | Grinding continues or gets worse |
| Door opens but won't close | Sensor issue or close limit setting | Check for obstructions or sunlight on sensors | No obstructions but door won't close |
| Opener light not working | Burnt bulb or socket issue | Replace bulb (use LED-compatible) | New bulb doesn't work |
| Keypad not responding | Dead battery or needs reprogramming | Replace 9V battery and test | New battery doesn't fix the issue |
Remote not working
Likely cause: Dead batteries or needs reprogramming
Safe DIY check: Replace batteries (CR2032 or AAA)
Call a tech if: New batteries don't fix the issue
Wall button not working
Likely cause: Wiring issue or faulty button
Safe DIY check: Check power supply to opener
Call a tech if: Power is on but button still unresponsive
Motor runs but door doesn't move
Likely cause: Broken gear, stripped drive, or disconnect engaged
Safe DIY check: Check if manual release cord was pulled
Call a tech if: Release is engaged but door still won't move
Door reverses immediately after closing
Likely cause: Safety sensors misaligned or obstructed
Safe DIY check: Clean sensors and check alignment (green lights solid)
Call a tech if: Sensors are aligned but issue persists
Opener makes grinding noise
Likely cause: Worn gears or chain/belt tension issue
Safe DIY check: Listen to locate where noise comes from
Call a tech if: Grinding continues or gets worse
Door opens but won't close
Likely cause: Sensor issue or close limit setting
Safe DIY check: Check for obstructions or sunlight on sensors
Call a tech if: No obstructions but door won't close
Opener light not working
Likely cause: Burnt bulb or socket issue
Safe DIY check: Replace bulb (use LED-compatible)
Call a tech if: New bulb doesn't work
Keypad not responding
Likely cause: Dead battery or needs reprogramming
Safe DIY check: Replace 9V battery and test
Call a tech if: New battery doesn't fix the issue
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If you're seeing crooked movement, loose cables, or a heavy door, it's safer to stop using it. Call us for opener repair in your area or request a callback in 2 minutes.