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FlemingdonPark Garage Door Repair Co.Open 24/7 (289) 806-2118
Technician kneeling beside a white paneled garage door, holding a small black box with a green light against the vertical track. — Photo-Eye Sensor Alignment or Replacement, Woodbine Heights

Openers · Woodbine Heights

Photo-Eye Sensor Alignment or Replacement

After a cold night the door stays open until the garage warms up. There is frost on the sensor lenses and a ridge of salty slush piled against the brackets where the snow blower was parked.

In plain words

Photo-eye sensor service brings back the invisible beam that runs across the bottom of your doorway and lets the opener close with confidence. A technician clears the path, checks each sensor's indicator, tests the low-voltage wiring back to the head unit, and reads the opener's own diagnostic lights to tell an obstruction from a wiring fault. Brackets are straightened and refastened, lenses cleaned, and the pair aimed at each other at the same height no higher than 15 cm off the floor. If a sensor has failed, a matched pair for that opener family goes in. The visit ends with a beam test and a contact reversal test.

Sound familiar?Woodbine Heights

The call
Someone backed the car in a little too far, a bin or a bicycle brushed the track, and since then the door starts to close and comes back up. One sensor now sits at a slightly different angle from the other.

NextHow the visit goes

Photo-Eye Sensor Alignment or Replacement · Woodbine Heights

How the visit goes

Hands using a blue-handled screwdriver on a small black box with a green light, mounted to a galvanized garage-door track. — Woodbine Heights
  1. Scene 1

    Clearing and walking the beam

    Before anything is adjusted, the technician clears the strip of floor between the two sensors and looks along the beam line at sensor height. Things that break a beam are rarely dramatic: the corner of a recycling bin, a hose left coiled by the wall, a bag of salt, leaves blown in under the door, a cobweb bridging a lens, a new weatherstrip or track shoe that sits a little proud. Snow and ice piled inside the door in winter count too. With the path clean, the door is tried again, because a fair share of sensor calls end right here, with a lesson about where things can and cannot sit.

  2. Scene 2

    Cleaning and protecting the lenses

    Lenses are wiped with a soft cloth and a mild cleaner, never scraped, and the housings are checked for cracks that let in water. Sensors that have been sitting in the strip where slush and salt collect are raised within the permitted height range and their brackets sealed. On a wall where the wire runs exposed, a slim protective channel keeps it clear of bins and bikes. Where mice have been at the wire, the new run is routed higher along the wall and dropped straight down to each sensor. These small measures are what keep a repair from repeating the following winter.

  3. Scene 3

    Winter habits

    In the cold months the sensors ask for a little attention. On frosty mornings give a misted lens a moment to clear rather than pressing close over and over, and wipe it with a dry cloth if it does not. Keep salt slush from building up against the brackets, since salt is what corrodes the mounts and terminals over time. Clear snow from just inside the door before closing it, and if the bottom seal has frozen to the slab, free it by hand rather than asking the opener to pull it loose. If the door closes at noon but not at nine, mention it; the low sun may be reaching the receiving eye and a shade sorts that out.

In the van

  • Two-conductor low-voltage wire
  • Insulated wire staples
  • Receiving-eye sun shade
  • Concrete anchors
  • Track-mount sensor brackets

What shapes the quoteFlemingdon Park Garage Door Repair Co.

Winter conditions on the day
Snow and ice packed against the brackets, a frozen bottom seal or a frozen floor where anchors must go all add a little clearing and care before the sensor work itself can start.
Opener make and generation
Sensor pairs are matched to the opener family, and some models take a kit with brackets and wire while others take sensors alone. The head unit label sets which pair is needed and how it is priced.
Protecting exposed wire
On a wall where the wire runs in the open, a slim protective channel or a re-route higher along the wall keeps bins, bikes and mice away from it, and is quoted as its own line.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 806-2118

Frequently asked questions

Do sensors wear out with age?

They do, slowly. The infrared emitter and the receiver dim over many years, lenses craze or cloud from sun and salt, housings crack, and water finds its way in at floor level. A pair that needs re-aligning more and more often, or whose light drifts between steady and flickering with nothing touched, is usually ageing. Because pairs are matched to the opener, an older opener is worth identifying early so the right replacement is on hand.

What do the small lights on the sensors mean?

Arrangement varies by model: most pairs carry an indicator on each side, in differing colours for sender and receiver, though some older pairs light only the receiver, so check the maker's chart. A receiving light that is dark or flickering means the beam is not landing on it, so the pair needs aligning or something is in the way. Both lights dark means the pair has no power, which points to the wire or the terminals at the head unit. Steady lights on both sides mean a healthy system.

Do both sensors get replaced together?

Yes. The sending and receiving sensors are made and sold as a matched pair for a given opener family, and the head unit expects both to be from the same generation. Fitting a pair also means both lenses, both indicators and both mounting points are fresh at the same time, so the alignment holds and the next check is simpler. A single sensor from an unrelated kit is where mystery faults come from.

Woodbine Heightsinformation

TorontoOntario

Photo-Eye Sensor Alignment or Replacement · Toronto, Flemingdon Park, Leaside, Parkview Hill, Thorncliffe

Town
Woodbine Heights, Toronto
In business
11 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 58 in 100 homes · older homes
  • About 58% of homes in Toronto were built in 1980 or earlier, according to the 2021 Census.Extension springs are common on older doors, and they should carry a safety cable through the middle so a broken spring is held rather than flung. Adding those cables is a small job the technician checks for and offers on any older door he services.
  • Single-detached houses make up about 23% of homes in Toronto (2021 Census).Townhouse rows generally have a narrow single door on each unit, with shared walls on both sides. Noise from a chain opener or dry rollers carries straight into the neighbour's home, so quiet belt-drive openers and nylon rollers are a popular and considerate choice here.

Source: Statistics Canada, Census Profile

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On-site assessment

Request a visit.

After a cold night the door stays open until the garage warms up.

(289) 806-2118, open 24/7.