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Linear Keypad & Intercom Repair: The Hermosa Beach Owner’s Guide
Linear keypad and intercom repair in Hermosa Beach typically runs $185 to $420 installed, depending on whether we’re replacing the keypad face, the intercom module, or the full housing. We stock Linear-compatible parts on the truck and complete most repairs in a single visit. The usual story is this: the keypad works fine for years, then one morning a row of buttons stops responding, or the intercom crackles and cuts out mid-conversation, or the whole unit goes dark after a heavy rain off the Pacific.
Ironworks Gate Co. is an independent service provider, not affiliated with Linear. We service Linear because these units are everywhere in the beach cities, and after four decades of working on them, we know exactly which parts fail first and what fits what.
Which Linear Models This Applies To
Linear has made a long run of access control products over the years, and the naming conventions are not always intuitive. The common ones we see in Hermosa Beach driveways include the AE-1000, AE-2000, and AE-500 telephone entry systems, the AM-KP keypad, and the older Delta-3 and MegaCode series receivers paired with wireless keypads. If your unit was installed before 2005, you may have an AK-11 or AK-12 keypad, which are long discontinued but still repairable with the right donor parts.
Here’s the compatibility gotcha most owners run into: Linear changed its wiring pinout between the MegaCode generation and the AE series. A keypad that plugs into an older control board will not drop into a newer one without a small adapter harness. We carry those adapters because we learned this the hard way on a job on 24th Street where the homeowner ordered a replacement online and it wouldn’t power up. Nothing was wrong with the keyboard; the connector was simply two generations apart.
For the OEM-versus-aftermarket question: Linear is one of those brands where paying for OEM usually makes sense for the intercom module itself. The circuit board tolerances are tight, and the cheap aftermarket boards we’ve tested fail within a year, especially within a mile of the salt air. For keypad housings and buttons, a quality aftermarket set is fine because it is molded plastic and rubber membrane, not electronics. Knowing which part can be aftermarket and which should be OEM is where we save people money without cutting corners.
Signs Your Linear Keypad or Intercom Is Failing
- Some buttons work, others don’t. This is almost always the rubber membrane behind the keypad face degrading. Hermosa Beach’s salt air accelerates the breakdown. The buttons that get used most fail first.
- The keypad works, but the gate doesn’t move. The keypad is sending signal. The problem is usually a relay in the control board or a broken wire at the hinge. We test the keypad output first to rule it out.
- The intercom audio is crackling or one-way. The microphone or speaker element in the intercom housing has corroded. This is common after a wet winter, and the fix is swapping the audio module, not the whole unit.
- The keypad lights up but won’t accept the code. The memory chip has lost its programming, or a voltage spike from a nearby lightning strike cleared it. We reflash or replace the controller board and reprogram all codes on site.
- The whole unit is dead. Either the transformer died or water got into the housing and shorted the main board. In beach-adjacent Hermosa Beach, water intrusion is the leading killer of linear keypads and intercoms.
Replacement Cost & What’s Included
In Hermosa Beach, here’s what we typically see on Linear repair jobs:
- Keypad membrane or button face replacement: $185 to $245 installed
- Intercom audio module (microphone and speaker): $210 to $290 installed
- Full keypad or intercom unit replacement: $320 to $420 installed
- Controller board replacement and reprogramming: $275 to $375 installed
The spread depends on the model year, whether your existing wiring and mounting plate are reusable, and whether programming involves one gate or a full system with multiple keypads. The price we quote is the price you pay. Parts and labor are itemized before work begins, and every job carries the written 90-Day Done Right Promise. If the repair isn’t right, we return and make it right without a discussion.
DIY or Call Us?
You can safely check a few things without touching the wiring. Confirm the breaker that feeds the gate is on. Look at the keypad for physical damage or visible water inside the lens. Try the secondary keypad or remote if you have one; that tells us whether the problem is the input device or the operator. What you should not do, especially with an older hardwired Linear unit, is open the housing and start testing live wires. These units run on 16-volt transformers, but they are wired into a gate operator that can carry 120 volts, and a short can damage the control board in a way that costs more to fix than the original repair.
Electrical work and access control wiring is one of those jobs where the professional knows what is inside the box without guessing. Victor Salinas says it plainly: “Metal either holds or it doesn’t - we make sure it holds.” The same applies to circuit boards. If your Linear keypad or intercom is giving you trouble, call (279) 263-9485 and describe what you’re seeing. We’ll tell you over the phone whether it’s likely a simple part swap or something deeper.
FAQs
A Linear keypad or intercom in Hermosa Beach typically lasts 7 to 12 years before something fails. The salt air and moisture shorten the life of the electronics compared to an inland install. The rubber button membrane usually goes first, between years 5 and 8. Call (279) 263-9485 if yours is acting up and we’ll tell you if it’s worth repairing.
Yes, in most cases. The failed component is usually the membrane, a single relay, or an audio module, not the whole unit. We repair Linear keypads and intercoms regularly in Hermosa Beach, replacing only the dead part. Replacement is only needed when the main board is compromised, which is about 20% of the jobs we see.
Most Linear keypad and intercom repairs take 30 to 60 minutes on site. If we need to source an uncommon part for an older model, we’ll get it ordered and return within a few days. We carry the most common Linear replacement parts on the truck, so one-visit completion is standard.
We stock the most common Linear-compatible keypad, intercom, and controller parts on the truck. You don’t need to order anything yourself. If we don’t have an unusual part for a discontinued model, we’ll source it and handle the full repair, including programming. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls systems.
If your Linear keypad or intercom is giving you trouble in Hermosa Beach, call (279) 263-9485. A live person answers, no voicemail trees, and we’ll give you a straight assessment over the phone. Free estimates, upfront pricing, and the 90-Day Done Right Promise in writing on every job.
Written by Victor Salinas, Owner, Ironworks Gate Co. at Ironworks Gate Co., serving Hermosa Beach and nearby areas.





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