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FAAC Gate Motor Replacement: The Phoenix Owner’s Guide
FAAC gate motor replacement in Phoenix typically runs $680-$1,450 installed, depending on the model series and whether the mounting bracket and control board need replacement too. We stock FAAC-compatible motors for the 400, 422, and S800 series on our service trucks, and most Phoenix properties from Arcadia to Desert Ridge get same-day completion when the call comes in before 2 PM. Homeowners usually notice the problem first as a grinding hum followed by silence, or the gate moving six inches and stopping dead on a 110-degree afternoon.
Which FAAC Models This Applies To
FAAC labels its residential and light-commercial swing-gate operators by series, not by a single part number, so the first thing we check is the nameplate on the motor housing. The 400 series (402, 422, 452) covers single and dual swing gates up to roughly 800 pounds per leaf; the S800 hydraulic series handles heavier iron and ornamental gates common in Paradise Valley and the Biltmore area. The 700 series is the older sliding-gate line still running at warehouses along I-10 and the 202 corridor.
We carry both OEM FAAC motors and the aftermarket equivalents we trust, specifically the FAAC 77000952 and 77000953 replacement kits for the 400 line. The aftermarket units we use are built to the same 24V DC and 230V AC specs, but we always verify the stall-torque rating matches the original because a mismatch will burn out the control board within a season. If your operator was installed before 2015, the mounting footprint may differ by a half-inch; we measure before we quote so we’re not drilling new holes on your driveway pillar unexpectedly.
Vance Gate Repair Phoenix is an independent service provider with no affiliation to FAAC. We service the brand because we encounter it on roughly one in five residential gates in this market, not because anyone asked us to push it.
Signs Your FAAC Gate Motor Replacement Is Failing

- The motor hums but the gate arm doesn’t move. This usually means the gearbox has stripped its nylon worm gear, a known weak point in the 400 series after seven to ten Phoenix summers. The motor draws power and spins, but nothing reaches the arm.
- The gate reverses immediately after starting to open. The encoder or limit-switch board is sending a false position signal, but in FAAC units this often traces back to voltage drop from a motor winding that’s beginning to short. We test winding resistance before we blame the board.
- Intermittent operation that gets worse after noon. Phoenix heat expands the motor housing and can push a marginal armature into contact with the field windings. If your gate works at 7 AM and quits by 2 PM, the motor is thermally failing.
- Burning smell from the operator cabinet. FAAC motors run a capacitor-start system on AC models; when the start capacitor fails, the motor stalls and the windings overheat. The smell is the varnish on the copper. This one needs immediate shutdown to avoid control-board damage.
- The gate moves at half speed and labors on level ground. Not a track or hinge issue, though that’s the first guess. A weak motor develops reduced torque and pulls excessive amperage, which the FAAC control board may or may not flag as an error code depending on the firmware version.
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AfterReplacement Cost & What’s Included
| Component | Typical Range (Phoenix) |
|---|---|
| FAAC 400-series motor replacement (OEM) | $680-$920 |
| FAAC 400-series motor replacement (quality aftermarket) | $520-$740 |
| S800 hydraulic pump/motor assembly | $1,050-$1,450 |
| Mounting bracket replacement (if corroded or mis-drilled) | $140-$280 |
| Control board replacement (if heat-damaged) | $320-$480 |
The spread depends on three things: whether the existing arm bracket can be reused, whether the control board took collateral damage from the failing motor, and whether the gate is single or dual-leaf. We quote the full scope in writing before we unbolt anything, under Haven Standard Clause 1. That written price includes the motor, labor, testing of limit-switch travel, and a photo log of the installation. Under our 365-Day Done Right Promise, if the new motor doesn’t perform to spec, we return and make it right at no charge.
DIY or Call Us?

There’s a safe middle ground here. A homeowner can verify the model number on the nameplate, check that the disconnect switch is on, and confirm the photocells aren’t misaligned and causing a safety lockout. What we don’t recommend is pulling the motor yourself. FAAC swing-gate arms are under spring tension; the 422 dual-kit stores roughly 180 pounds of closing force in the mechanical assembly. Release that wrong and the arm can snap closed hard enough to break fingers or dent a car. The electrical side is 24V DC on control and 120V or 230V on the motor feed, depending on your install year.
If you’ve already diagnosed it to the motor, call (602) 483-6270. We’ll confirm the part match over the phone, give you a written price range, and schedule the swap. Most Phoenix jobs take 90 minutes to two hours once we’re on site.
FAQs
In the Phoenix climate, with 120-plus days over 100 degrees and monsoon humidity spikes in July and August, a FAAC residential motor typically lasts eight to twelve years if the cabinet has adequate shade and ventilation. Motors in direct south or west exposure, common in Ahwatukee and South Mountain lots, run hotter and often fail closer to the six-year mark. Call (602) 483-6270 and we’ll check your install conditions when we quote.
Sometimes. A failed capacitor or a cracked encoder disc can be replaced for under $200. But when the armature windings are burned or the gearbox is stripped, the repair cost approaches replacement and the rebuilt unit won’t carry the same reliability. We test first and tell you which side of that line you’re on before you spend anything.
Most FAAC motor swaps are completed in 90 minutes to two hours. That includes removing the old unit, installing the new one, setting the limit switches to your gate’s actual travel, and cycling the system ten times to verify thermal shutdown protection works. We don’t leave until the photo log is done and you’ve got your copy.
We stock FAAC-compatible motors for the 400, 422, and S800 series on every service truck. For the older 700 sliding-gate series or specialized high-cycle commercial units, we may need 24 hours. When you call (602) 483-6270, we’ll confirm what’s on the truck and whether your model matches.
Written by Adrian Vance, Owner, Vance Gate Repair Phoenix at Vance Gate Repair Phoenix, serving Phoenix and nearby areas.





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