Gate opener not working? Start here

A gate that won’t work is usually telling you something simple: no power, a release left open, something in the way, or a safety device doing its job. Start with what the gate is doing, then work through the checks below in order. Most problems are found in the first three.

Start here: what is the gate doing?

What you see	Most likely	Go to
Nothing at all, no lights	No power	Check 1 below
Motor runs, gate doesn’t move	Manual release engaged, or a drive problem	Check 2 below
Opens, but won’t close	Photo eye, loop or input held active	Gate opens but won’t close
Stops or reverses partway	Obstruction, binding or overload	Gate stops halfway
Beeps or alarm sounds	Obstruction alarm, low battery or a fault code	Gate opener beeping
Works from the keypad, not the remote	Remote battery or receiver	Gate remote not working
Solar gate dies overnight or in winter	Battery or charging	Solar gate opener not charging

Check 1: Power

• Breaker. Check the circuit breaker that feeds the gate. Reset it once; if it trips again, stop and call an electrician.
• Power switch. Most operators have their own on/off switch. Eagle’s troubleshooting table lists “turn on the operator power switch and/or reset the main circuit breaker.”
• Board lights. On Eagle boards, a green Power LED that’s off means no power to the board.
• Fuse. Eagle lists a blown fuse as a cause; replace it only with one of the same amp rating, with the power off. A fuse that blows again points to a fault for a technician.
• Battery. On DC and solar openers, check the battery before anything else. See how long gate opener batteries last.
• Double gates. Eagle requires master and slave on the same breaker; check both operators.

Check 2: The manual release

If the motor hums or runs but the gate doesn’t move, the most common reason is a release that was used and never re-engaged. With the power off, close the release the way your manual describes: refit the lever and cap on a swing operator, reset the foot pedal, remove the crank. Our guide to opening a gate manually shows each type.

If the release is engaged and the gate still doesn’t move, look for a chain off its sprocket, a loose arm bracket, or a broken weld. A grinding motor with no movement may be a stripped gear; that’s a repair for a technician.

Check 3: The gate and its path

• Walk the path. Branches, rocks, toys, snow and ice stop gates every day.
• Move the gate by hand with the power off and the release engaged. It should move freely. A gate that drags or binds will trip the opener’s protection; Eagle says the gate must move freely before the operator will work properly.
• Hinges, wheels and track. Look for a sagging leaf, a worn wheel or a bent track. Our maintenance guide covers what to check.

Check 4: Safety sensors and inputs

• Photo eyes. Clean the lenses and check alignment; most have indicator lights that show when the beam is made.
• Loops. A loop detector stuck “on” makes the opener think a car is there.
• Edges and stop inputs. Eagle’s boards treat a stop input that stays active as “don’t move,” for example from a pedestrian door in the gate left open.
• Board LEDs. Eagle’s table says to check whether the receiver’s LED or any input LED stays on, and to look for a short circuit in the input wiring.

Check 5: Controls

Try every control: remote, keypad, wall button, app. If one works and another doesn’t, the problem is that control, not the opener. See gate remote not working. If nothing works, go back to power.

Check 6: Overload, thermal and alarm

• Overload light. On Eagle boards it comes on when the gate is heavier than normal for the operator. Look for binding first.
• Thermal breaker. Eagle says the motor’s built-in thermal breaker can trip; let the motor cool down and try again.
• Alarm. If an Eagle gate hits an obstruction twice in a row, the alarm sounds and the system shuts down for 5 minutes unless it’s manually reset with the reset button or by turning the power switch off and on. Check for obstructions before you reset. More in gate opener beeping.

What Eagle’s troubleshooting table says

The Eagle-I manual (2025) and Eagle-II manual list these faults and fixes:

Symptom	Probable cause	Remedy
Gate will not open	Motor overload LED on	Thermal breaker tripped: let the motor cool and try again; the gate may be too heavy
Gate will not open	Receiver not on when the remote is pressed	Receiver has malfunctioned in the “off” position
Gate will not open	Green Power LED off	Turn on the operator power switch and/or reset the main breaker
Gate will not open	Fuse blown	Check and/or replace with the same amp fuse
Gate will not close	Receiver LED stays on, or an input LED stays active	Receiver or remote stuck “on”; check input and output wiring for a short
Gate will not close	Loop detector LED on	Reset the loop detector, check the loop wiring, change frequency or sensitivity
Gate will not close	Close timer not working	Feature switch #4 must be on
Stops and reverses mid-cycle, overload LED on	Operator not plumb and level, reverse sensor too sensitive, or an obstruction	Remount the operator, have the sensor adjusted, remove obstructions

Eagle’s “common oversights” also apply: feature switch #1 must be on (master) unless the operator is a slave, and safety loop detectors must connect to the #2 reverse loop input. Eagle’s customer service number in its manuals is 1-800-708-8848.

Codes for other brands

For the operators our partner sells, see Eagle gate operator troubleshooting, with the full fault table, board LEDs and reset steps. We publish brand pages only from the maker’s official manual: Mighty Mule troubleshooting (beep and LED codes), Ghost Controls troubleshooting (beep codes, LEDs, alarm) and Viking gate operator error codes (LCD messages). For any other brand, use the manual for your exact model.

When to call a professional

• The breaker or fuse trips again after a reset.
• Anything on the 120/240 V side needs work.
• The gate binds, sags or has a broken weld, hinge or post.
• The overload or thermal breaker keeps tripping.
• The reversing sensor needs adjusting; Eagle says that’s for a qualified service technician.
• The gate fails the monthly safety test: it must reverse on contact and stop when a photo eye is blocked.

Parts that fix common causes

For Eagle operators, a failed receiver is a common, cheap fix. Our partner sells the Chrome series receiver, which holds up to 30 rolling-code remotes and runs on 12–24 V AC/DC:

Accessory

Eagle Access Control Systems

Eagle Chrome Series EG650 Universal Receiver (30 Remotes)

Best for: Adding or replacing the receiver for Eagle Chrome remotes and keypads

• Power: 12–24 VAC/DC

Who it's forEagle gates where the receiver has failed or you're replacing lost remotes and starting fresh.

Skip it ifYour remotes aren't Eagle Chrome series, or the fault is power or the gate itself.

Pros

• Stores up to 30 rolling-code remotes
• 433.92 MHz rolling code
• Runs on 12–24 VAC/DC from the operator

Cons

• 30-remote limit; the EG652 holds 300 but is not listed in this store
• Works with Eagle Chrome remotes only

Specs from Gate Operators Direct product page and Eagle Chrome Series receiver and remotes manual (PDF), checked Nov 2026.

$70–$80 at the time of writing (checked Nov 2026)

Check price at Gate Operators Direct

Slide gate wheels, rollers and chain are in our maintenance guide. For low voltage and long runs, check your power wire with the wire size calculator and our wiring guide.