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Linear Keypad & Intercom Repair: The Grand Prairie Owner’s Guide
Linear keypad and intercom repair in Grand Prairie typically runs $185 to $410 installed, depending on whether we’re replacing the keypad face, the control board, or the whole intercom module. We stock the most common Linear-compatible parts on the truck, so most repairs are done same-day when they’re not tied to a custom-order intercom panel. You’ll notice the failure before you can name it: the gate works fine from the remote in the car, but the keypad at the post went dead, or the intercom stopped ringing the house phone, or a tenant is standing at the call box waving at a camera that is not talking back to anyone.

Which Linear Models This Applies To
We see keypad and intercom failures across the Linear AP-5, AK-11, and the older AM-KP lines, plus the AE-1000 and AE-2000 telephone entry systems that a lot of Grand Prairie neighborhoods installed ten or fifteen years ago. The compatibility gotcha with Linear is that the older AK-11 keypads are not a drop-in swap for the AP-5, even though they look nearly identical from ten feet away. The wiring terminals sit in a different order, and if the old board is a four-wire unit and someone sold you a three-wire replacement, you’ll be standing at the gate with a multi-meter wondering why the open command never lands. The quickest way to identify what you’ve got is to pop the faceplate and read the model label on the back of the board. We do this every day, so we know what to look for before we even reach for a screwdriver.
Signs Your Linear Keypad & Intercom Repair Is Failing
- Keypad is dead or intermittent at the post. This one is usually the ribbon cable between the keypad membrane and the board, or corrosion on the terminal block. In Grand Prairie, where summer heat sits on the metal housing for hours, the plastic membrane gets brittle faster than the board itself fails.
- Gate opens from the remote but not from the keypad. That narrows it down to the keypad board or its wiring. If the house phone still rings at the intercom, you’ve isolated the problem to the keypad side of the module, not the relay.
- Intercom rings the house but there’s a loud buzz or no voice. The voice path runs through a small audio transformer on the intercom board, and it tends to fail before the relay does. We’ve replaced them on units as young as six years old.
- Keypad codes work sometimes, not others. If it acts like a marriage problem more than a mechanical one, you’re usually looking at a loose wire at the operator, not the keypad. The vibration from the gate’s open and close cycles works connections loose over time.
- Tenants or family say they can hear the gate open but no sound from the handset. That’s a failed microphone circuit on the intercom board. We test this one with a simple loopback at the panel, and the answer is immediate.
Replacement Cost & What’s Included
Here’s the honest spread for Grand Prairie: a new Linear-compatible keypad membrane runs $45 to $80 and takes under an hour; a full keypad board or a four-wire keypad replacement lands at $185 to $260 installed; an intercom control board or AE-series telephone entry module runs $300 to $410. The parts are priced at what we pay plus a fair margin, and the labor is quoted before we start, not after. Every quote is written down and agreed to before a single wire gets touched. There’s no trip charge inside the county, and the work carries our 90-Day Done Right Promise in writing. If the part fails in the field on day 80, we come back and make it right. That’s the whole deal.
DIY or Call Us?
If the keypad is dead, and you want to safely check one thing, look at the terminals on the back of the board. Loose wires and corrosion account for about a third of the keypad calls we run in Grand Prairie. A little contact cleaner and a tightened screw sometimes brings a keypad back. But the moment you’re into the board itself, the intercom voice path, or the relay that fires the gate, stop. These are low-voltage circuits, so they won’t kill you, but a wrong splice can fry the operator board, and that’s a $500 lesson nobody needed to learn. If you’re not sure, call (903) 829-4499 and describe what the gate is doing. We’ll tell you over the phone whether it sounds like a twenty-dollar fix or a board that needs replacing, no charge for the conversation.
FAQs
A Linear keypad membrane in this Texas climate typically lasts four to seven years before the buttons get soft or the housing cracks from heat. Intercom boards last longer, usually eight to twelve years, but the voice transformer can fail earlier than the rest of the board. If yours is past year seven and acting up, replacement is usually cheaper than chasing the individual part.

Sometimes. A corroded terminal strip or a loose ribbon cable can be cleaned and reseated in about twenty minutes, and we’ll do that before we ever quote you a new part. When the membrane itself is punched out or the board shows burn marks, the honest answer is replacement, and we’ll show you the old part before it goes in the scrap bin. Call (903) 829-4499 and tell us what it’s doing, and we’ll tell you which bucket you’re in.
Most Linear keypad replacements we do in Grand Prairie take 45 minutes to an hour, on-site, with the gate reconnected and tested before we leave. An intercom board or telephone entry module takes about 90 minutes including wiring verification and a test call to the house phone.
We stock the most common Linear keypad membranes, keypad boards, and intercom boards on the truck, plus compatible aftermarket parts that meet or exceed the OEM spec. If your unit needs a specialty AE-series panel we don’t carry that day, we order it and schedule the install the moment it lands, usually inside three to five business days. Either way, the price is quoted before we order anything.
Tell me what it’s doing, and I’ll tell you what it needs. No runaround.
If your Linear keypad or intercom is down in Grand Prairie, call (903) 829-4499. A live person answers, day or night, and the estimate is free. Hal Gatewood has been fixing gates here since 2001, and the name is on the shop.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate at Gatewood Fence & Gate, serving Grand Prairie and nearby areas.



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