Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
The assessment is free and the quote is the invoice.
Linear Gate Motor Repair in Los Angeles: What to Know First
Carver Gate Repair provides independent Linear gate motor repair across Los Angeles, typically diagnosing and fixing the problem in a single visit. Most Linear repairs run $280 – $650 depending on the motor series and what’s failed, and you’ll get that number in writing before we touch a tool. We’re not affiliated with Linear; we’re an independent service provider that stocks the parts and knows the failure patterns specific to their equipment.
This page is for Los Angeles homeowners with a Linear swing or slide operator that’s stopped, started making noise, or developed a mind of its own. If your gate is stuck open, stuck closed, or reversing for no clear reason, call (469) 530-2485. A live person answers, 24/7.
How Linear Products Fail – and How We Fix Them
- Linear Pro Access control boards burn out after power surges. In the San Fernando Valley and parts of the basin where grid fluctuations are common, we’ve replaced dozens of Pro Access 8500 and 8500W logic boards that took a hit during heat-wave brownouts. The symptom is a dead operator or erratic cycling. We test the board, verify transformer output, and install a surge-protected replacement. If the motor windings test clean, we save you the full replacement cost.
- Linear SLR slide operators lose torque in wet winters. Los Angeles doesn’t get much rain, but when it comes in January and February, the SLR’s sealed gear housing can weep if the breather vent is clogged with dust. The motor runs but the gate drags or stalls on the slightest grade. We pull the housing, clean and reseal it, and replace the vent. On hillside properties in the Hollywood Hills or Pacific Palisades, this is a recurring issue we check for during every SLR service call.
- Linear ACT-31B and ACT-34 receivers fail intermittently. These older radio receivers develop cold solder joints that cause the gate to respond to the remote only when it feels like it. The homeowner thinks it’s the remote battery; it’s not. We bench-test the receiver, reflow the board where possible, or swap in a compatible replacement. We also check for RF interference from nearby LED landscape lighting, which is increasingly common in newer Los Angeles builds.
- Linear oscillating arm operators shear their internal limit cams. The LA-500 and LA-850 swing operators use plastic limit cams that fatigue after roughly 8 – 12 years of daily cycles. The gate starts over-traveling, hitting the stop hard, or stopping short. We replace the cam set, recalibrate the limit switches with a multimeter, and grease the articulating arm pivot. If the arm bushings are worn, we flag it so you’re not back in the same spot next year.
- Linear loop detectors ghost-trigger or fail to detect. The LD-033 and LD-050 loop detectors we see in Los Angeles are often original to 1990s and 2000s installations. After decades of thermal cycling, the sensitivity drifts or the relay sticks closed. The gate opens randomly or ignores vehicles entirely. We test the loop wire integrity first, then swap the detector if the loop reads clean. We set the sensitivity for your specific vehicle mix, not a factory default.
Our Linear Gate Motor Repair Process
- 1
Call intake with a live person. We ask the model number if you have it, the symptoms, and whether the gate is currently stuck open or closed. This lets us dispatch with the right parts already on the truck.
- 2
On-site diagnostic. Our technician tests motor amp draw, control board output, limit switch function, and safety edge response. We identify whether it’s a motor issue, a control issue, or a mechanical binding problem masquerading as a motor failure.
- 3
Parts decision with you. If the motor is rebuildable, we quote that. If it needs replacement, we offer OEM Linear parts or quality aftermarket equivalents where they exist, with the trade-offs explained. The price is written and fixed before work starts.
- 4
The repair. We replace or rebuild, calibrate limits and force settings, and verify all safety inputs. On slide operators, we check rack alignment and gear backlash. On swing operators, we inspect the arm geometry and post stability.
- 5
Full-cycle testing. We run the gate through open, close, auto-close, and safety reverse sequences. We test remotes, keypads, and any loop or photoeye inputs. No shortcuts.
- 6
Cleanup and written guarantee. We leave the pad clean, hand you the written price you already approved, and document the 365-Day Done Right Promise. If anything fails inside that year, we come back free.
What Linear Gate Motor Repair Costs in Los Angeles
| Repair Scenario | Typical Range |
|---|---|
| Control board replacement (Pro Access, Smart DC) | $280 – $450 |
| Limit switch / cam repair (LA-series swing) | $220 – $340 |
| Loop detector replacement | $180 – $290 |
| Gear housing service (SLR slide) | $340 – $520 |
| Full motor replacement with OEM unit | $650 – $1,100 |
| Diagnostic / service call (waived with repair) | $95 – $125 |
What moves the price: motor series and age, whether the part is still in production, hillside or long-run installations that need extra labor, and whether we find secondary damage from a failed component. We don’t quote low to get in the door, then add line items. The written price is the price.
Call (469) 530-2485 for a free estimate. We’ll give you a realistic range over the phone, then firm it up in person.
Why Los Angeles Homeowners Call Carver Gate Repair for Linear Work
We’ve been working on Linear equipment in Los Angeles since the brand was a common spec in 1990s tract homes and early 2000s custom builds. Lonnie Burke studied welding and metal fabrication at Los Angeles Trade-Technical College before focusing entirely on gate systems, and he’s spent over fifteen years diagnosing motors like these. That background matters when a Linear operator has failed because the gate structure itself is binding or the post has shifted in our clay-heavy soils.
We also service LiftMaster, Mighty Mule, Ghost Controls, and DoorKing. If your Linear system is obsolete or the repair doesn’t pencil out, we can quote a clean replacement with a brand that fits your setup, not just what we happen to sell.
The Garrison Standard means background-checked, uniformed technicians; written prices before work starts; and a 365-Day Done Right Promise on every repair. Show up squared away, fix what’s broken, and don’t make the customer ask twice.
FAQs
Linear’s original factory warranty expires after a set period from installation, and we’re an independent service provider, not an authorized dealer. If your operator is still under that original warranty, we can advise whether to pursue a dealer claim or proceed with our repair. Most Linear units we see in Los Angeles are well past that window. Call (469) 530-2485 and we’ll check your serial number.
We stock common Linear control boards, limit cams, and loop detectors on our Los Angeles service trucks. For obsolete or specialized parts, we source through our distributor network with typical lead times of 2 – 4 business days. If your gate is stuck open and security is an immediate concern, we can often implement a temporary manual lock or bypass while we wait. Call (469) 530-2485 to discuss urgency and options.
We recommend repair when the motor body and gearbox are sound and the control failure is isolated. We recommend replacement when the unit has multiple failed components, parts are obsolete, or repair costs approach 60% of a new operator with modern safety features. We give you both numbers and let you decide. Call (469) 530-2485 for a free evaluation.
Yes. Roughly 70% of our Linear work in Los Angeles is on systems we didn’t install. We diagnose what’s actually wrong, quote the fix, and repair it under the same guarantee as our own installations. Call (469) 530-2485 to schedule.
Our 365-Day Done Right Promise covers it. If the repair fails within a full year from the service date, we return at no charge, no argument. The guarantee is in writing on every invoice. Call (469) 530-2485 if you have any concern about a previous repair.
Written by Lonnie Burke, Owner, Carver Gate Repair at Carver Gate Repair, serving Los Angeles and nearby areas.





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