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FAAC Gate Motor Replacement: The Simi Valley Owner’s Guide
FAAC gate motor replacement in Simi Valley typically runs between $1,100 and $2,600 installed, depending on whether you have a swing arm piston (770/390 series) or an in-ground hydraulic (415/400 series), and whether the control board can be kept. We stock FAAC-compatible motors, mounting brackets, and control boards on the truck, and most replacements are completed same day once we confirm the model. The way owners usually discover the motor has failed is quiet, not dramatic: the gate moves slower for a month, then it starts hesitating two-thirds of the way through the travel, and one morning it just sits there with the warning light blinking. By the time it stops completely, the capacitor or the motor winding has already been running hot for weeks.
Which FAAC Models This Applies To
The FAAC lineup splits into two families that fail differently. The electromechanical swing-arm units, model lines like the FAAC 390, 391, 770, 790, and the newer 391 E, use a 24V motor driving a worm-gear piston. We see these on residential driveways all over Simi Valley, from single-family homes off Erringer Road to larger estates up toward Bridle Path. The hydraulic in-ground units, the FAAC 415, 400, and 412, bury a motor and pump inside a steel or composite box under the gate leaf. Different failure modes, different parts, different labor.
The single most useful thing you can do before calling anyone: open the black plastic cover on the motor or operator and photograph the silver data plate. That plate lists the exact model number, the serial, the voltage, and the year of manufacture. We match the replacement by that plate, not by what the housing looks like. One gotcha we run into regularly: a gate installed in 2019 with a “FAAC 400” housing may actually have a 412-series pump inside if a previous tech swapped internals. That changes which replacement motor we order. We note it in the written scope before anyone touches a wrench.
On the OEM versus aftermarket question for FAAC specifically: FAAC’s original motors are well built, but the company’s US parts distribution has gotten slower, and some Simi Valley gate owners wait two to three weeks for an original motor to ship. Quality aftermarket equivalents from suppliers like All-O-Matic and North Shore Commercial, matched to the voltage and stroke length, usually install for 20 to 30 percent less and come with a comparable service life. We carry both, and we will always hand you the written price for each option before we recommend one.
Signs Your FAAC Gate Motor Replacement Is Failing

- Capacitor hum, no movement. You hear a low buzz from the operator housing but the gate doesn’t move. This is the start capacitor failing, which overworks the motor on every startup and shortens its life. If caught early, it’s a $90 to $160 part. If ignored, it takes the motor with it.
- Slow travel with rhythmic strain. The gate moves noticeably slower than it did six months ago, and the motor sounds like it’s working hard at the same point in every cycle. On FAAC swing-arm units this often means a worn worm gear increasing mechanical drag, which loads the motor until the thermal switch trips.
- Gate stops mid-travel and reverses. On FAAC hydraulic units this is the classic sign of low fluid or a failing pump seal, not a sensor problem. The motor pushes against partial pressure, the system reads excess amp draw as an obstruction, and the gate backs off. Homeowners often adjust the force setting to compensate, which is a mistake.
- The warning light blinks but the motor won’t respond. FAAC control boards flash diagnostic codes through the LED. If the board shows power and still won’t drive the motor after a hard reset, the motor or its wiring has failed open. We read that code before we quote anything.
- Intermittent operation that resets itself. Gate runs fine for an hour, then dead for an hour, then fine again. That’s usually a failing thermal limiter inside the motor housing, common in Simi Valley where summer afternoons push operator temperatures well past 120°F on a west-facing driveway.
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AfterReplacement Cost & What’s Included
Here’s what we currently charge in Simi Valley for FAAC gate motor replacement, parts and labor together:
- FAAC 390/391/770 swing-arm motor replacement: $1,100 to $1,800
- FAAC 400/412/415 in-ground hydraulic motor replacement: $1,800 to $2,600
- Control board replacement (often done alongside or instead of motor): $380 to $750
- Start capacitor replacement: $90 to $160
- Full system replacement including new arms, brackets, and receivers: $2,600 to $4,200
The range is driven by a few concrete variables: how much of the old mounting hardware is corroded and needs to be cut out, whether the control board survived the motor failure, and whether we’re working on a single gate leaf or a pair. Every replacement includes removal and disposal of the failed motor, installation of the new unit, limit switch set and photographed, force settings calibrated, and a written record of the part number, serial, and final settings left with you. The price is written and handed to you before we start. If we find a problem behind the motor, a cracked bracket for example, we stop and price it before we touch it. No discovery fees. No surprise invoice.
DIY or Call Us?

There’s a genuine electrical hazard here, and it’s worth saying plainly: FAAC motors run on 24V DC control voltage, which won’t hurt you, but the operator is fed by 120V or 240V line voltage, and the capacitor holds a charge even after the breaker is off. If you’re not comfortable discharging a capacitor and testing a motor with a multimeter, the safe DIY limit is this: check the breaker, check for an obvious blown fuse on the control board, and photograph the data plate. That’s it.
What we routinely get called out to fix after a DIY attempt is more expensive than the original failure: a mislabeled wire that got reconnected in the wrong order and destroyed a new control board, a capacitor discharged through the retaining bracket, and one memorable afternoon where an owner replaced a FAAC 390 motor with a 770 motor because “they looked the same.” The stroke lengths differ by four inches. The bracket tore out of the brick pillar. The thing with gate motors is that the part number exists for a reason, and the documentation we leave behind exists so the next repair doesn’t turn into a forensic investigation. Call us at (805) 516-0479 and we’ll talk through what you’re seeing before anyone books a visit.
FAQs
A FAAC motor in Simi Valley that gets used 10 to 15 cycles a day typically lasts 8 to 12 years before the motor, capacitor, or control board degrades, with a shorter 6 to 8 year window for gates that face afternoon sun and don’t have a shade cover over the operator. Coastal-adjacent heat cycling, not moisture, is what accelerates wear here. Call (805) 516-0479 for a motor inspection and an exact quote.
Sometimes, yes: failed capacitors, bad thermal switches, and worn sacrificial gears on FAAC swing-arm units are repairable for $90 to $400, but burned motor windings, cracked hydraulic pump housings, and water-damaged motors aren’t economical to rebuild. We always quote the repair and the replacement as separate written options, so you can see both numbers side by side before deciding. Call (805) 516-0479 and we’ll walk you through what’s worth fixing.
Most FAAC swing-arm motor replacements are done in two to three hours, including limit-setting and force calibration; in-ground hydraulic replacements take most of a day because the old unit has to be pulled from its foundation box and the new one re-seated level. We schedule a clear arrival time and the price is written before work starts, no clock-watching. Call (805) 516-0479 to check current appointment availability in Simi Valley.
We stock the most common FAAC motors, capacitors, and control boards on the truck for the 390, 391, 770, 400, and 412 series, and we also keep compatible parts for LiftMaster, Mighty Mule, and Ghost Controls for mixed-brand driveways. If your exact model isn’t on the truck, we can usually source it from our local supplier network within one to two business days. Call (805) 516-0479 and we’ll confirm stock for your FAAC model while you’re on the phone.
Get a Written Price Before You Commit

If your FAAC gate motor is failing and you want a number you can trust before anyone starts work, call (805) 516-0479. A live person answers 24 hours a day. We’ll ask what the gate is doing, what model FAAC it is, and whether you can read us the data plate. Then we’ll give you a clear price range on the spot and schedule a visit where the final written quote is handed to you before the first tool comes out. Vance Gate Repair Simi Valley is an independent gate service company, not affiliated with FAAC, and we’ve been repairing and installing gate automation since 2014. Name what you found, name what it costs, name what you left behind.
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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