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AfterDoorKing Access Control Installation: The Denton Owner’s Guide
A full DoorKing access control installation in Denton typically runs $1,400 to $3,800, installed. That covers the keypad or telephone entry unit, the control board wiring, the power run, and programming, and we can usually have it done within five to seven business days of your free site visit. Most owners call us after a storm or a power surge, when a keypad goes dark or the gate stops answering the code that worked fine yesterday.
DoorKing builds access control panels that survive a long time in the Texas heat, but they do fail, and when they fail they usually fail halfway. The keypad lights up but won’t release the gate. The phone rings at the panel but nobody can hear you. The remote works from twenty feet but not from the street. That’s the call we get, and by the time it happens, the owner has usually tried three new codes and two new batteries. What they actually need is the right part matched to the right model, installed and programmed the way DoorKing intended.
Which DoorKing Models This Applies To
DoorKing has been building gate operators and access systems since the 1940s, and their lineup splits into two clear families. The older 1800 series telephone entry systems and the 1600/1812 keypad controllers are the workhorses we still see everywhere in Denton county. The newer 1830, 1837, and 1838 series run on their DKS cloud platform and use a different wiring harness and power supply. The parts are not interchangeable between those generations, even when the keypad looks nearly identical. That’s the single most common ordering mistake we see from owners buying parts online: a 1603 keypad will not drop into an 1837 panel without extensive rewiring, and sometimes not even then.
Open the panel and look for the model number stamped on the control board itself, not just the name on the faceplate. We stock OEM DoorKing boards, keypads, and accessory modules for the 1812, 1601, 1603, 1830, 1837, and 1838 series, plus quality aftermarket equivalents for the older analog boards that DoorKing has since discontinued. For a door that gets opened ten times a day, aftermarket is fine. For a community gate in a Denton neighborhood with fifty homes and a delivery truck every afternoon, we recommend OEM. If you can’t tell which board you have, bring us a photo. Hal will match it in about a minute.
We’re an independent shop. We’re not affiliated with DoorKing, and we don’t pretend to be. We are certified to service DoorKing systems, and we keep the parts on the truck that fail the most.
Signs Your DoorKing Access Control Installation Is Failing
- The keypad lights dim or pulse when the gate moves. That’s the power supply sagging under load. The control board is trying to draw more current than the transformer can provide, usually because a capacitor has aged or a relay has begun sticking. Left alone, it burns the board.
- Codes work in the morning but not in the afternoon. Texas heat changes the resistance in old solder joints and ribbon cables. As the afternoon sun hits the metal enclosure in a Denton driveway, the board flexes just enough to open a bad connection. This is a repair job, not a programming problem.
- The gate buzzes but won’t release, then opens on the fourth try. That’s the relay that controls the operator’s open input. The contacts arced too many times and now they weld shut at random. DoorKing relays are replaceable on most boards, and that’s what we do instead of selling you a new system.
- The telephone entry unit rings to the house but the mic stays dead. On the 1800-series analog units, that’s usually the voice module or the telephone interface card. On newer models, it’s a DKS server communication fault. We trace it with a buttset, not a guess.
- Everyone works, but someone new can’t be added to the system. On older DoorKing models, the memory chip has a finite number of write cycles. When it fills, new codes won’t stick. The board itself is fine; the memory chip is worn out. That’s a $20 part and a forty-minute fix.
Replacement Cost & What’s Included
For a typical single-family gate in Denton, you’re looking at:
- DoorKing keypad or card reader replacement, part and labor: $480 to $1,100
- Telephone entry system (full unit), installed and programmed: $2,400 to $3,800
- Control board replacement, including reprogramming all codes: $600 to $1,400
- New power supply and transformer assembly: $350 to $675
- Site visit and diagnosis (applied toward any repair): free inside Denton county
The price you get is the price you pay. We walk the job, we write the number on the estimate, and we don’t add a penny at the end. The range above varies because a keypad mounted on a masonry pillar takes longer to cut in than one on a steel post, and because sometimes the existing wiring is good and sometimes it needs to be rerun. Every part we install has its manufacturer warranty, and our labor on the whole job carries the 90-Day Done Right Promise, in writing. If it acts up, one call brings Hal back. No runaround.
DIY or Call Us?
Access control wiring is low voltage, so it won’t hurt you most of the time. But the gate opener itself runs on 110 or 220 volts, and the wrong tap on the wrong terminal while the breaker is hot can stop your heart. We don’t sugarcoat that. If you’re tackling a DoorKing control board swap yourself, kill the breaker at the panel, not just at the switch on the operator. DoorKing runs unswitched line voltage inside many of their enclosures, which means the operator switch is off and the board is still live. That detail has ended more DIY projects than any other.
For the genuinely low-voltage side, you can check wire continuity with a multimeter, confirm the transformer is putting out 16 to 18 volts AC, and make sure the ground lug is tight. Those three checks answer about half of the “dead panel” calls we get. After that, if the board is misbehaving, call us at (940) 394-8744. DoorKing boards don’t take well to bench tinkering, and a probe slipped between two IC legs turns a $90 repair into a $1,200 board replacement. The part is cheaper to fix than the curiosity is.
FAQs
In the Denton climate, a DoorKing control board lasts twelve to eighteen years on average, and the keypads usually give out a few years earlier from sun and rain exposure. Units mounted on the north side of a wall or inside a shaded enclosure regularly pass twenty years. The two biggest killers here are afternoon sun on the faceplate and ant colonies inside the enclosure, which create short paths across terminals. We also stock and service LiftMaster, Mighty Mule, and Ghost Controls options when DoorKing parts are on backorder.
Often it can be repaired. Relays, memory chips, and voltage regulators are replaceable on most DoorKing boards. We solder in new components on a bench or on the truck when the board is still dependable otherwise. Call (940) 394-8744 and describe the symptom, and we’ll tell you honestly whether it’s a repair or a replacement before we ever roll a truck.
Most residential installations take one visit of three to five hours, depending on whether we need to run new conduit or snake wire in existing masonry. For community gates or multifamily entries, expect a day or two and possibly a second visit for full programming.
We stock the common DoorKing parts on the truck: control boards for the 1812 and 1837, keypads, power transformers, and loop detector modules. Oddball or obsolete boards sometimes take three to five days from our supplier, but Hal will loan you a manual call button or temporary bypass in the meantime so your gate isn’t stuck shut. A gate that won’t open is our problem, too, and we don’t leave you standing in the driveway for a week.
Call the Shop Before You Order Anything
If you’re looking at a DoorKing part online and it seems close but you’re not sure, call us first. Hal has fixed more DoorKing systems in Denton than any online return policy ever has, and he will tell you over the phone whether the part you’re holding is right for your gate, what it should cost, and whether there’s a better fix. No charge for the honesty. When you’re ready, the number is (940) 394-8744. We’ll come look, give you a written price, and leave your gate better than we found it, anything less and we haven’t done our job. You can also drive to the shop and look Hal in the eye if that suits you better, and he’d be pleased if you did.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate at Gatewood Fence & Gate, serving Denton and nearby areas.