Serving Burnaby, BC

Troubleshooting for Burnaby homeowners

Why Won’t My Garage Door Opener Work?

The cause may be as simple as power or a remote battery—or it may be a sensor, control, motor, travel or door-balance problem that needs diagnosis.

Start with the symptom

The Opener May Not Be The Only Problem

A garage door opener moves a properly balanced door; it is not designed to overcome a broken spring, displaced cable or binding track. Before assuming the motor failed, notice exactly what responds.

Does the ceiling unit have power? Does the wall control work? Does the remote work? Does the motor run while the door stays still? Does the door start down and reverse? Each pattern points to a different group of causes.

Stop testing if the door is heavy, crooked, jammed, partly open or shows a broken spring or loose cable. Repeated opener commands can worsen the damage.

A practical diagnostic map

Common Reasons An Opener Stops Working

Remote Or Keypad Issue

Weak batteries, lost programming, range interference or a lock setting can affect wireless controls.

Safety Sensor Problem

Obstruction, dirt, misalignment, damaged wiring or a failed sensor can prevent normal closing.

Door Hardware Failure

A broken spring, cable fault, bent track or seized roller can make the door too heavy or resistant.

Travel Or Force Setting

Incorrect limits or changing door resistance can cause premature stops or immediate reversal.

Internal Opener Fault

Gears, logic boards, capacitors, motors, belts, chains or trolley components may require model-specific diagnosis.

When the door will not close

Check The Safety-Sensor Area First

Photo-eye sensors sit near the floor on both sides of the opening. They need a clear path and correct alignment. Clean the lenses gently, remove stored items from the beam path and compare the indicator lights with the opener manual.

  • Confirm nothing crosses the doorway
  • Wipe dust or moisture from both lenses
  • Look for a bumped bracket or loose wire
  • Check whether indicator lights are steady or flashing
  • Use the manual for the exact model’s light pattern

Do not bypass or permanently defeat a safety-reversal system.

Garage door safety sensors mounted near the floor on both sides of the opening
Clear lenses, stable brackets and an unobstructed path are basic sensor checks.
Homeowner replacing a battery in an unbranded garage door remote
A remote battery is a reasonable homeowner check when the wall control still works.

Safe checks before booking service

What You Can Test Without Opening The Motor

  1. Confirm the opener is plugged in and household power is available.
  2. Try the wall control, remote and keypad separately.
  3. Replace the remote battery with the specified type.
  4. Check whether the wall console’s lock feature is active.
  5. Clear the sensor path and follow the manual’s indicator guidance.
  6. Look at the spring, cables and tracks from a safe distance.

Do not remove the opener cover, alter wiring or increase force settings to push a binding door through its travel.

Match the behaviour to the next step

What Different Opener Symptoms Can Mean

Nothing Responds

Check power first. If power is present, controls, wiring or internal electronics may need diagnosis.

Wall Button Works, Remote Does Not

Focus on the battery, lock feature, programming, range and remote compatibility.

Door Reverses While Closing

Inspect the sensor area and doorway, then consider travel settings or physical resistance.

Motor Runs, Door Does Not Move

A disconnected trolley, stripped drive component or failed door hardware may be involved.

Door Moves Only A Little

Stop testing and assess springs, cables, balance and track resistance before blaming the opener.

Operation Is Intermittent

Record which control was used and any light or diagnostic code; intermittent faults still need structured testing.

Opener questions

Garage Door Opener FAQs

Why does the wall control work but the remote does not?

The remote may need a battery, reprogramming or replacement. A lock or vacation feature can also disable remote commands on some models.

Why does the opener light blink and the door not close?

A blocked, dirty, misaligned or damaged safety sensor system is a common cause. Check the model manual because indicator patterns vary.

Can a broken spring look like an opener problem?

Yes. An opener may hum, strain or stop because the door has become too heavy after a spring failure. Stop testing and inspect the door system.

Should I replace an old opener or repair it?

The decision depends on the fault, parts availability, safety features, compatibility and the condition of the door. Diagnosis should come before replacement.

Opener repair in Burnaby

Diagnose The Door Before Replacing Parts

Tell us which controls work, what the opener does and whether the door looks level. Repair options are confirmed after diagnosis.