Key facts: Garage door won't open
In this guide
- 1Garage door won't open: the short answer
- 2Garage door won't open: symptoms and causes
- 3Release figure
- 4Safe checks when the door won't open
- 5When power or controls are the cause
- 6When springs or cables are the cause
- 7When ice holds the door down
- 8Manual locks on older doors
- 9How a technician diagnoses a door that won't open
- 10Repair or replace after a no-open problem
- 11Winston-Salem conditions that cause no-open calls
- 12When sensors stop the door from opening
- 13Wall console lock features
- 14Power problems in detached Winston-Salem garages
- 15Signs you should call instead of troubleshooting
- 16When the keypad or app fails
- 17Preventing a door that won't open
- 18What to tell the technician when the door won't open
- 19Questions about a garage door that won't open
Won't open: the short answer
Garage door won't open: the short answer
Start with the simple things: power to the opener, remote batteries, the wall button and the manual lock. If the opener runs but the door does not move, or the door is very heavy by hand, a spring or cable has likely failed. Do not force it; call a technician.
Symptom table
Garage door won't open: symptoms and causes
| What you see | Likely cause | What to do |
|---|---|---|
| Nothing happens, no lights | No power or tripped GFCI | Check outlet and breaker |
| Wall button works, remote does not | Remote battery or programming | Replace battery, reprogram |
| Opener hums, door stays shut | Disengaged trolley, stripped gear or broken spring | Check door by hand; call if heavy |
| Door lifts a few inches then stops | Broken spring or limit setting | Stop and call |
| Door heavy and will not lift by hand | Broken spring | Leave closed; call |
| Door will not move at all, opener off | Manual lock engaged | Unlock the side lock |
Release figure
Safe checks
Safe checks when the door won't open
- Check the opener is plugged in and the outlet has power.
- Reset a tripped breaker or GFCI outlet.
- Replace remote batteries and try the wall button.
- Check for a manual slide lock on the inside of the door.
- Look above the door for a gap in the torsion spring.
- Look at both cables for slack or breaks.
- If springs and cables look fine, pull the release with the door closed and try lifting by hand.
Power and controls
When power or controls are the cause
Storms in the Piedmont knock out power and trip breakers. Many garage outlets are on GFCI circuits that trip with moisture. If the opener has no lights at all, power is the first suspect. If the wall button works but remotes do not, the remotes need batteries or reprogramming.
Springs and cables
When springs or cables are the cause
If you heard a bang, or the door is extremely heavy, a spring has likely broken. A loose cable or a door sitting crooked points to a cable failure. In either case, the door should not be forced. The opener may have strained against the weight, so unplug it.
Ice and weather
When ice holds the door down
In winter, the bottom seal can freeze to the slab after rain or melting snow. The opener tries to lift, strains and reverses. Do not keep pressing the button. Gently free the seal with warm water or wait for it to thaw, and keep the door's path clear of ice.
Locks and old doors
Manual locks on older doors
Many older doors have slide bolts or T-handle locks. If one is engaged, the opener cannot lift the door and may strain or damage the door. Disable unused locks if you rely on an opener.
How a technician diagnoses it
How a technician diagnoses a door that won't open
- 1
Check power and controls
Confirm the opener gets power and signals.
- 2
Disconnect and test by hand
Feel the door's balance.
- 3
Inspect springs and cables
Look for breaks, gaps and slack.
- 4
Inspect the opener drive
Gear, trolley and limits.
- 5
Repair and retest
Fix the cause and test the safety reversal.
Repair or replace
Repair or replace after a no-open problem
Most no-open problems are fixed with a new spring, cable, gear or remote. Replacement is considered when the opener is old and lacks safety features or the door is badly damaged.
Call about this problem
Questions about garage door won't open?
One call connects you with an independent garage door repair contractor who serves Winston-Salem.
Winston-Salem notes
Winston-Salem conditions that cause no-open calls
Summer storms, winter ice and pollen-clogged sensors all show up as doors that will not open. Older detached garages may have old wiring or no ceiling outlet, adding power problems.
Sensors and the no-open complaint
When sensors stop the door from opening
Safety sensors usually affect closing, not opening, but some openers will not run at all if the sensor wiring is shorted or a sensor has failed completely. If the opener's light blinks a set number of times when you press the button, it may be reporting a sensor fault. Check the sensor lights, wipe the lenses and look for damaged wires along the wall.
Lock buttons and vacation mode
Wall console lock features
Many wall consoles have a lock or vacation button that disables remotes. If the wall button works but every remote has stopped at once, the lock feature may have been switched on by accident. Pressing it again usually restores remote operation.
Detached garages and power
Power problems in detached Winston-Salem garages
Detached garages behind older homes often get power through a single circuit run from the house, sometimes with older wiring or an extension cord to the opener. Storms, overloaded circuits and worn outlets cause outages there more often than in attached garages. If your detached garage opener keeps losing power, have an electrician check the circuit.
When to call right away
Signs you should call instead of troubleshooting
Call right away if you heard a bang, the door is crooked, a cable is loose, the door is heavy by hand or the opener smells hot. These point to failures that are unsafe to handle and can get worse with each try.
Keypads and phone apps
When the keypad or app fails
Outdoor keypads lose batteries or get damp; phone apps lose their Wi-Fi link after router changes. If the wall button works, the opener is fine and the control needs attention.
Prevention
Preventing a door that won't open
- Test the opener's reversal monthly.
- Keep remote batteries fresh.
- Lubricate springs, rollers and hinges twice a year.
- Have springs checked if the door feels heavier.
Tell the technician
What to tell the technician when the door won't open
- What happened right before.
- Whether the opener lights come on.
- Whether the door is heavy by hand.
- Whether you see a gap in the spring or a loose cable.
Won't open questions
Questions about a garage door that won't open
How do I open my garage door during a power outage?
Pull the emergency release with the door closed, then lift by hand if the springs are working.
Why won't my garage door open with the remote?
Weak batteries or lost programming are common. If the wall button works, the opener is fine.
My door opens a few inches then stops. Why?
Often a broken spring. Stop using the opener and call.
Is it safe to lift the door by hand?
Only if the springs and cables are intact. A heavy door means a spring has failed.
Why did all my remotes stop working at once?
The wall console's lock or vacation mode may be on. Press it again to restore remote operation.
Can cold weather stop my garage door from opening?
Yes, ice can freeze the bottom seal, and cold can stiffen old lubricant.