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FAAC Keypad & Intercom Repair: The Simi Valley Owner’s Guide
We repair and replace FAAC keypads and intercoms in Simi Valley, and we stock the most common FAAC-compatible parts on our trucks. A keypad or intercom swap typically runs between $240 and $620 installed, depending on whether your existing wiring is intact and which FAAC generation you have. Most Simi Valley owners discover the failure the same way: the keypad lights up but the gate won’t move, or the intercom buzzes but the voice cuts out mid-sentence.
Which FAAC Models This Applies To
This covers the FAAC 400, 402, 450, and 455 swing gate operators, plus the 390 and 391 slide gate series and the C720/C721 hydraulic lines. The keypad and intercom components live in the control board’s accessory terminals, so compatibility depends on two things: whether your FAAC board uses the older 4-wire keypad protocol or the newer XKP 8-wire hookup, and whether your intercom is a handset type or a wireless phone-forwarding module.
Here’s the gotcha most Simi Valley owners hit: the FAAC DP and E024U boards look nearly identical from the front, but they use different keypad voltage tolerances. We’ve seen aftermarket keypads meant for the E024U burn out in six months when wired to a DP board. If you’re not sure which board you have, check the label on the metal enclosure, not the plastic cover. We match OEM FAAC parts when the board is original, and use quality aftermarket equivalents, typically DoorKing or Linear keypads, only when the original FAAC part is discontinued and the voltage spec matches exactly. Vance Gate Repair is an independent service provider, not affiliated with FAAC, so we’re free to recommend the part that fits your board rather than the one with the logo on it.
Signs Your FAAC Keypad & Intercom Repair Is Failing

- Keypad accepts the code, gate stays shut. The keypad is fine; the relay inside it stopped closing. The board hears nothing, so the gate never moves. A technician checking voltage at the keypad terminals will see the click fail at the relay.
- Some keys work, others don’t. Membrane keypads wear unevenly. The digits used most often, like your code’s numbers, lose their conductive coating first. This isn’t a board problem; it’s a keypad face problem.
- Intercom rings the house, but audio is garbled or one-way. Usually corrosion in the outdoor speaker unit. Simi Valley’s dry heat cracks the weather seals, and the occasional wet winter gets moisture behind the faceplate. The speaker cone corrodes and the mic element fails.
- Keypad backlight stays on, or the screen shows partial characters. A failing voltage regulator inside the keypad. The board is delivering power, but the keypad isn’t converting it cleanly. You’ll notice it worse on hot afternoons.
- After a power outage, the keypad forgets every code. The onboard memory battery in the keypad is dead. FAAC keypads of a certain age use a small lithium cell that fails after five to eight years; when it fails, the keypad resets to factory defaults every time the main power cycles.
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AfterReplacement Cost & What’s Included
In Simi Valley, a FAAC keypad replacement runs between $240 and $420 installed. A keypad plus intercom replacement runs $380 to $620. Two things drive the range: whether the existing wire run is in good condition, and whether your board requires a specific keypad protocol that costs more. If the wire run is corroded or chewed, we run new low-voltage wire, which adds about $60 to $85 for a typical Simi Valley driveway length.
Every price is written out and handed to you before any work starts. Parts and labor are called out separately on the invoice, so you can see exactly what the keypad costs and what the install time costs. The repair is covered by our 365-Day Done Right Promise: if the keypad or intercom fails within a year of our visit, we make it right at no charge. Under Haven Standard Clause 4, every visit leaves you with a photo record of the old part, the new part, and the wiring before it was buttoned back up.
DIY or Call Us?

You can safely do the diagnostic work yourself: check whether the keypad lights up, whether the intercom buzzes or stays silent, and whether the gate works when you use the remote or the inside open button. That tells you whether the problem is isolated to the accessory or is actually a board-level issue. What you shouldn’t do is open the FAAC enclosure and start re-terminating wires without a wiring diagram and a multimeter. The accessory terminals carry low voltage, but the motor start circuit and capacitor inside the same enclosure do not, and wires shift. A shorted connection at the wrong terminal can take out a perfectly good control board, which turns a $300 keypad swap into a $1,100 board replacement.
If you’re in Simi Valley and your FAAC keypad or intercom is inconsistent, call (805) 516-0479. We’ll name the failure, write the price, and leave you with the photo record. That’s how we do every FAAC repair.
FAQs
Five to eight years is the typical lifespan in Simi Valley’s climate. The sun exposure on an unprotected keypad face breaks down the membrane and the UV attacks the plastic housing. An intercom speaker usually fails faster if it’s mounted on a west-facing wall. A shaded keypad with a protective awning can go ten years or more. If yours is acting up somewhere in that window, call (805) 516-0479 for a repair quote.
Yes, in about a third of the calls we run in Simi Valley, the keypad itself can be repaired. The most common repairable failures are a dead memory coin cell battery, a corroded wiring terminal, or a sticky relay. If the membrane face is worn through or the voltage regulator is failing, replacement is the honest fix. We’ll tell you which one you have before you spend a dollar.
Most keypad or intercom replacements on FAAC gates in Simi Valley take 45 to 90 minutes on site. The variable is the wire run: if we’re pulling new low-voltage wire under a driveway or along a fence line, add an hour. We give you a written time and price before we start, and we don’t leave until the new part is tested with your existing remotes and code setup. Call (805) 516-0479 to get on the schedule.
We stock the most common FAAC-compatible keypads and intercom handsets on our service trucks, so many Simi Valley repairs are completed same-day without a return trip. If your exact model needs a part we don’t carry, we can usually have it within two business days. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls gates, in case you have more than one gate at the property.
Written by Adrian Vance, Owner & Lead Technician, Vance Gate Repair Simi Valley at Vance Gate Repair Simi Valley, serving Simi Valley and nearby areas.





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