Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Medeco Access Control Systems in Atlanta: What to Know First
We provide independent Medeco access control systems service across Atlanta, from rekeying Medeco X4 cylinders in Virginia-Highland townhomes to replacing failed logic boards in Medeco 3-series commercial keypads near Buckhead. Most Medeco access control jobs are completed same-day or next-day, with a written quote delivered before we dispatch. A typical residential Medeco rekey runs $45-$85 per cylinder; commercial access control diagnostics start at $125, with full hardware replacement ranging $340-$780 depending on the series and door prep.
This page is for Atlanta homeowners and property managers who already have Medeco hardware and need it serviced, upgraded, or integrated into a working access control system. If you’re locked out, need a cylinder rekeyed, or your Medeco keypad won’t accept codes, call us at (470) 944-6813. A live person answers, and you’ll get a firm price before anyone leaves for your location.
How Medeco Products Fail - and How We Fix Them
- X4 CLIQ cylinders lose programming after power interruptions. The CLIQ system stores audit trails and time-zone permissions on a small internal battery. In Atlanta’s summer storm season, power flickers corrupt the cylinder’s memory more often than the manufacturer literature suggests. We reprogram the cylinder with a fresh battery, verify the audit log integrity, and test all user keys against the restored schedule. If the battery holder is corroded, we replace it with an OEM part - aftermarket battery contacts don’t seat reliably in CLIQ housings.
- Medeco 3 deadbolts develop sidebar binding in humid conditions. The angled sidebar pins that give Medeco 3 its pick resistance also trap moisture from Atlanta’s heavy summer air. After three to five years, the sidebar channel gums up and the key won’t turn smoothly even with correct biting. We disassemble the cylinder, clean the sidebar track with a specific solvent that won’t degrade the nylon driver springs, and relubricate with Medeco’s specified grease. Dry graphite alone makes it worse - it packs into the angled cuts and accelerates wear.
- Medeco Logic keypads fail to communicate with the audit software. The Logic series uses a proprietary cable between the keypad and the programming interface. We’ve found the RJ-style connector frays where it exits the keypad housing, especially in high-traffic commercial doors in Midtown office buildings. We replace the cable assembly with an OEM part, reflash the firmware if needed, and verify the audit download before we leave. Aftermarket cables exist but lack the shielding that prevents data corruption on longer runs.
- Medeco Biaxial cores show accelerated wear from grit in exterior Atlanta installations. The dual-axis pin system is precise - meaning tolerant of almost nothing. Homes near active construction in West Midtown or along the BeltLine pull concrete dust into the keyway. The bottom pins develop flat spots and the shear line goes out of tolerance. We measure pin wear with a micrometer, replace only the worn components, and rekey to the existing master key system rather than selling a full core replacement the hardware doesn’t need.
- Medeco Switch locks lose key-detection in cold weather. The Switch series uses a magnetic or mechanical switch to signal when a key is present. Atlanta’s occasional hard freeze - particularly in unheated utility buildings or pool equipment rooms - causes the actuator to contract and miss the detection threshold. We adjust the switch gap to the cold-weather spec, test at temperature, and document the setting for future service. This is a calibration issue, not a hardware failure, though many shops replace the entire lock.
Our Medeco Access Control Systems Process

- 1
Call and quote. You describe the lock, the symptoms, and the series if you know it. We quote a firm price range based on the likely repair. Haven Standard Clause 1: the price on the phone is the price on the invoice.
- 2
Dispatch with parts. We stock common Medeco components - X4 and 3-series cylinders, Logic cables, CLIQ batteries, sidebar springs - so we’re not making a parts run on your time. If the job needs an uncommon part, we tell you before we leave the shop.
- 3
On-site diagnosis. The technician inspects the hardware, confirms the failure mode, and photographs the condition. If the diagnosis differs from the phone quote, we explain the change and get your approval before proceeding. The original quoted price still applies if we were wrong about the cause.
- 4
Repair with OEM or specified aftermarket parts. We use Medeco OEM parts for electronic components, firmware-dependent hardware, and any item where aftermarket compatibility is unverified. For mechanical wear items like standard pins and springs, we may use quality aftermarket equivalents - we’ll tell you which and why.
- 5
Functional testing and documentation. Every key is tested, every code is verified, every audit log is downloaded and shown to you. You receive a printed service record with before-and-after photos, parts used, and the final price.
- 6
365-Day Done Right Promise activation. The work is covered for one year. If the same failure recurs, we return and make it right. The name on the van is the warranty.
What Medeco Access Control Systems Costs in Atlanta
| Service | Typical Range | What Affects Price |
|---|---|---|
| Medeco residential rekey (per cylinder) | $45-$85 | Key quantity, master keying, after-hours |
| Medeco 3 / X4 cylinder replacement | $180-$340 | Finish, keyway type, door prep condition |
| CLIQ cylinder programming / battery service | $125-$195 | Number of keys, schedule complexity |
| Logic keypad diagnostics and cable repair | $125-$280 | Cable length, firmware reflash needed |
| Full Logic keypad replacement | $340-$780 | Backset, door thickness, network integration |
| Commercial access control survey and written scope | Free | - |
These are the prices we quote on the phone. There is no call-out surcharge, no “trip fee” added at the door, no after-hours multiplier hidden in the invoice. If we discover additional work is needed, we stop, explain, and get your approval with a revised written quote before continuing. Bring us a competitor’s written estimate and we’ll review it at no charge - our Free Second Opinion policy.
Why Atlanta Homeowners Call Novak Lock & Security Atlanta for Medeco Work

We’ve rekeyed Medeco cylinders in Inman Park Victorians and replaced failed Logic keypads in Midtown high-rises. Daniel Novak keeps a worn Medeco service manual in his truck cab - not for show, because after two decades the binding is cracked and the page for Biaxial pinning charts is loose. Our technicians are background-checked, uniformed, and trained on Medeco’s specific tolerances, not generic lock theory.
We also service Schlage and Kwikset, which matters when your property has mixed hardware and you want one vendor who understands how the systems interact. Every visit produces a documented photo record. Calls are answered by a live person, 24/7. And every job starts with a written price and ends with a documented record - that’s been the rule since 2002, and it’s not changing.
FAQs
No - independent service does not automatically void a Medeco warranty, provided the work is performed correctly and with appropriate parts. As an independent Medeco service provider, we use OEM electronic components and firmware-correct procedures to maintain warranty integrity where applicable. For locks still under factory warranty, we document our work to support any future warranty claim you may need to file. Call (470) 944-6813 and we’ll check your lock’s warranty status before we schedule.
We stock common Medeco cylinders, keys, CLIQ batteries, and Logic cables at our Atlanta location, so most residential jobs are same-day. Specialty finishes, restricted keyway blanks, or obsolete Biaxial components typically arrive in 24-48 hours from Medeco’s distribution network. We’ll tell you before we dispatch whether your job requires a parts order. If you’re locked out now, we can often rekey to a temporary keyway and return with the permanent hardware.
Repair is usually the better value if the core hardware is sound. Medeco 3 and X4 mechanical cylinders last decades with proper maintenance; electronic components like CLIQ batteries and Logic cables are designed to be serviceable. We replace the lock only when the housing is damaged, the keyway is worn beyond tolerance, or you need features your current series doesn’t support. Our technician will show you the wear measurements and explain the repair-versus-replace math before you decide.
Yes - we regularly master-key Medeco cylinders into existing Schlage or Kwikset systems, or upgrade specific doors to Medeco while leaving others in place. The keyway compatibility and master key hierarchy determine the approach. We survey the property, produce a written pinning schedule, and quote the full scope before cutting any keys. Mixed-brand systems are common in Atlanta properties that have been renovated in stages.
Yes - Haven Standard Clause 1 prohibits our technicians from changing the quoted price at your door. If our phone diagnosis was wrong and the job is simpler, you pay the lower actual price. If it’s more complex, we stop and get your approval on a revised written quote before continuing. The price on the invoice matches the price you were quoted, or we made an error and you pay the lower number. Call (470) 944-6813 for a firm quote - estimates are free.
Written by Daniel Novak, Owner, Novak Lock & Security Atlanta at Novak Lock & Security Atlanta, serving Atlanta and nearby areas.






