When your automatic gate refuses to open or close, it doesn’t always mean you need expensive repairs. Try these nine smart checks—backed by industry-leading brands—to save time and get your gate working again.
1. Check Power and Breakers
If your automatic gate suddenly stops working, always start by checking that it is actually receiving power. Inspect whether the gate’s power supply is plugged in and if your property has experienced a recent outage. A tripped breaker or blown fuse inside your home or dedicated gate circuit can instantly cut off power to the operator. Ensuring the operator has power is the first step to avoid unnecessary service calls.
Learn more from LiftMaster’s Gate Troubleshooting Guide
2. Change Remote and Keypad Batteries
Remote controls and wireless keypads are common failure points, especially as batteries get older. If your gate doesn’t respond to commands, try replacing remote and keypad batteries, even if the indicator light glows faintly. Many systems become unreliable before the batteries are fully dead, so fresh batteries can often solve mysterious glitches. Be sure to test each remote if you have more than one.
View Maximum Controls’ Max Keypad details
3. Try the Manual Release
Most automatic gates have a manual release feature that allows you to disconnect the operator and move the gate by hand. Testing this lever or key switch can help you determine if the gate itself is jammed or misaligned, separate from any electrical problems. If the gate moves freely, the issue is likely in the operator; if not, there may be a mechanical obstruction. This step also allows for safe access while you troubleshoot further.
See the Apollo Gate Opener resources and manuals
4. Remove Debris or Obstructions
Physical debris like rocks, branches, or ice can quickly immobilize a gate. Inspect both the path and the hinges (for swing gates) or the track (for sliding gates) for any obstacles that could block movement. Even small objects can trigger the gate’s safety systems and leave it stuck open or closed. Regularly clearing this area keeps your system working smoothly.
5. Inspect and Clean Photo Eyes
Photo eyes—also known as safety sensors—detect obstacles and prevent the gate from closing on something or someone. Dirt, spider webs, snow, or misalignment can block the beam, causing the gate to refuse to close. Visually inspect both sensors, clean the lenses gently, and double check their alignment. This is one of the most common reasons modern gates stop closing properly.
Follow this LiftMaster Sensor Troubleshooting Guide
6. Check Limit Switches/Stops
Limit switches tell the gate operator where to stop fully opening or closing the gate. If these are knocked out of place or become stuck, the gate may fail to move at all or stop midway. Inspect the mechanical switches and consult your manual for test procedures. Damaged or misadjusted limits should only be reset according to the manufacturer’s guidelines.
See Viking Access technical support for operator adjustments
7. Check Backup Battery Health
Many gate operators have a built-in battery to allow operation even during outages. Over time and repeated cycles, these backup batteries can degrade and lose capacity—especially in harsh climates. Look for a warning light, beep, or error code indicating that your battery needs to be replaced. It’s a relatively inexpensive DIY fix that can restore reliability in minutes.
Maximum Controls battery backup options
8. Look for Blown Fuses
Inside the control box, there’s usually a fuse protecting the operator circuit from power surges or shorts. If that fuse is blown, the operator won’t work until it’s replaced. Always use the correct type and size recommended by your gate’s manual. Persistent blown fuses could signal a deeper electrical problem that requires professional attention.
Read Apollo Gate Opener troubleshooting tips
9. Confirm System Programming and Settings
Modern gate systems use a combination of DIP switches and programmable electronic settings for remotes and safety features. If these are misaligned or if the system has been recently reset, it may stop responding to transmitters. Double check all programming steps in the manual to ensure codes, open/close limits, and other custom settings are correct. A reset and reprogram can sometimes solve unresponsive behavior.
Access LiftMaster official installation resources
Problem Area |
Typical Symptoms |
DIY Fixes |
When to Call a Pro |
Power Loss |
No noise, lights, or movement |
Reset breaker, plug check |
If plug has power and reset breakers did not resolve issue |
Remote/Keypad Failures |
No response to input |
Replace batteries |
Yes, if pairing fails |
Photo Eye / Sensor Issues |
Gate won’t close |
Clean/align sensors |
Yes, for wiring faults |
Limit Switch Mistakes |
Gate won’t open/close fully |
Adjust per manual |
Yes, if error persists |
Operator Battery Faults |
Won’t operate during outage |
Replace backup battery |
Yes, for charger issues |
Still stuck?
If your gate is still not responding, call a certified professional like Fantastic Fence 916-790-7100! Some issues—like failed control boards, worn motors, or corrupted programming—require specialized tools.
Manufacturers’ Help Centers:
- LiftMaster Customer Support
- Maximum Controls Technical Resources
- Apollo Gate Openers Manuals & Troubleshooting
- Viking Access Manuals and Support
While these quick checks resolve many gate malfunctions, some issues need professional tools and expertise to fix safely. Get your gate working again fast—call Fantastic Fence at 916-790-7100 for expert automatic gate repair throughout the greater Sacramento region, including Placer, El Dorado, Nevada, Yuba, and Yolo counties!