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.

Wood & steel frame



Linear Keypad & Intercom Repair: The Laguna Beach Owner’s Guide
Linear keypad and intercom repair in Laguna Beach typically runs $145 to $385 installed, depending on whether we’re replacing a worn keypad face, a failed intercom board, or the entire unit. Most Linear keypad swaps are done in a single visit, and Victor Salinas keeps the common Linear parts on the truck so coastal homeowners aren’t waiting on a ground shipment from a distributor in Ohio. The usual story we hear: the keypad worked fine for ten years, then one morning it stopped responding to the code that worked the night before, or the intercom at the pedestrian gate crackles so badly you can’t tell who’s asking to come up the drive.
Laguna Beach’s salt air is hard on every brand of outdoor electronics, but Linear units have their own particular failure patterns. We’ll show you what fails first, what a repair actually costs, and whether it makes sense to repair or replace the part. No pressure, just the facts from people who work on these every week.
Which Linear Models This Applies To
Linear has built gate access components for decades, and there are three lines you’re most likely to have on a Laguna Beach property: the AK / AE keypad series (AK-11, AK-21, AE-1000, AE-2000), the AM-KP keypads that pair with Linear’s AM3Plus and LRA slide gate operators, and the MDR / MDU intercom systems used for pedestrian gate call boxes. Each has different mounting patterns, connector spacing, and voltage expectations, so matching a replacement part to the existing backplate and wiring matters.
Here’s the gotcha nobody tells you: a Linear AK-11 keypad from 2005 is not directly interchangeable with the newer AK-21 housing, even though they look nearly identical on a spec sheet. The older units use a different ribbon cable pitch and the mounting screws are spaced 3/8″ wider. If you buy a new keypad face and try to drop it into an old housing, the connector won’t seat. We’ve corrected that mistake for more than a few homeowners who ordered parts online first.
On the intercom side, Linear’s MDR series runs on low-voltage two-wire or four-wire configurations depending on whether the system supports video. Matching wire count and voltage before swapping is not optional. We stock OEM Linear parts and quality aftermarket equivalents when they’re proven; for older MDR boards that Linear no longer manufactures, an aftermarket board is often the only practical path. If you’re not sure which series you have, take a clear photo of the label inside the housing before you buy anything.
Signs Your Linear Keypad & Intercom Repair Is Failing
- Multiple presses to register a digit. The membrane switches under the keypad face wear out from UV exposure and salt residue. Once the first digit starts double-typing, the rest follow within a season.
- Works after rain, fails when dry. That points to cracked keypad seals or corroded wiring terminals. Moisture temporarily re-establishes a marginal connection; dry heat expands the crack and the circuit opens.
- Intercom buzzes but no voice passes through. Usually a failing speaker or a corroded capacitor on the audio board. In Laguna Beach, capacitors swell and fail faster than any other component.
- Gate ignores the keypad at night. If the code works during the day but not after dusk, the issue is often voltage drop on the power run, not the keypad itself. Long wire runs to a gate at the road combined with low overnight temperatures can starve the circuit.
- Call button rings the house but no communication. On Linear MDR systems, this typically points to a failed audio chip or a broken wire at the hinge joint of the pedestrian gate. Hinge joint failures are common on gates that flex with hillside settlement.
Replacement Cost & What’s Included
Linear keypad replacement in Laguna Beach runs $145 to $285 installed for most AK and AE series models. Linear intercom repair or replacement ranges $225 to $385 installed, depending on whether we replace a board, a speaker, a door station, or the entire talk-back unit. The job is quoted as a flat price before we start, and that price includes the part, installation, programming, and verification that the gate responds correctly from the street and from the house.
What drives the range: age of the unit, wire condition, whether we’re replacing a faceplate or a full housing, and whether the power supply tests within spec. If the power supply is failing, putting a new keypad on a dying supply is throwing money away. We test first, then quote. If a repair is possible for less than replacement, we’ll tell you and give you the number for both options.
| Linear Part | Installed Price Range | What’s Included |
|---|---|---|
| AK / AE Keypad (face or full unit) | $145 – $285 | Part, install, programming, verification |
| AM-KP Keypad for slide operators | $175 – $265 | Part, install, programming, verification |
| MDR / MDU Intercom board | $225 – $335 | Board swap, audio verification, weather-seal check |
| Full intercom door station | $295 – $385 | Station replacement, wiring repair at hinge, verification |
Every one of those prices is quoted and agreed before any work starts. The price we quote is the price you pay, not a starting point. Every Linear repair carries our 90-Day Done Right Promise: if it is not right, we come back and make it right, every time, no paperwork, no arguing.
DIY or Call Us?
You can safely check a few things in the driveway: confirm the keypad lights at all, look for visible crack lines in the keypad face, and check whether the wiring at the gate hinge has any obvious breaks or green corrosion. If the keypad is entirely dead and the connector inside shows white or green crusting, a connector cleaning might buy you a few months. That’s about the extent of what we’d recommend doing yourself.
What you should not attempt: swapping an intercom board by wire color alone, especially on a four-wire MDR system. Linear changed wire color assignments between production years, and a wrong connection can fry a new board the second you power it up. Low voltage does not mean no consequence. If you’re comfortable opening the housing and the problem is obvious, that’s one thing. If it involves matching wires or cutting anything, call us at (442) 246-9347. We’ll diagnose it correctly and give you a straight answer on whether repair or replacement is the smarter spend.
FAQs
In coastal air, a Linear keypad membrane typically lasts 8 to 12 years before buttons become unreliable. Intercom boards have a wider range: some MDR boards fail in 6 years near the water; others run 15 years if the housing seal holds. The single biggest factor is whether the original installer used dielectric grease on the connectors. Most didn’t.
Yes, in specific cases. If the failure is a corroded connector or a cracked wire at the gate, we can repair it for less than the cost of a new unit. If the membrane switches themselves are worn out, replacement is the only honest fix. Call (442) 246-9347 and we’ll identify which situation you have.
Most keypad replacements are done in 45 to 90 minutes on site, including programming and testing. Intercom board swaps run 90 minutes to two hours if the wiring at the hinge needs attention. We complete most jobs in a single visit.
We keep the most common Linear AK, AE, AM-KP keypads and MDR intercom boards on the truck. Obsolete parts may take 3 to 5 business days to source from a distributor, and we’ll tell you that before we schedule. We’re an independent service provider, not affiliated with Linear, and we carry parts for LiftMaster, Mighty Mule, and Ghost Controls as well.
If your Linear keypad or intercom is acting up, don’t wait until the gate stops opening entirely. Call Ironworks Gate Co. at (442) 246-9347 for a free estimate. A live person answers, any hour. We’ll tell you what’s wrong, what it costs to fix, and we’ll stand behind the work. We fix it right the first time, or we come back – simple as that.
Written by Victor Salinas, Owner, Ironworks Gate Co. at Ironworks Gate Co., serving Laguna Beach and nearby areas.
Before
After
Before
After
Before
After