First: the emergency ways in
Start with the scenario that brings the panic call: batteries died and the door is locked. Every keypad lock has a backup — but they differ, and it pays to know yours before the parking-lot moment.
The 9-volt trick — on locks that have it
Nest × Yale: press a standard 9V battery against the contacts on the bottom of the lock, wait for the low-battery prompt, and enter your code while holding it there. Schlage Touch models have the same jumpstart — but Schlage Encode does not; its backup is the physical key. Check the bottom edge of your lock for two small metal contacts — that is the 9V port.
The hidden keyway
Many “key-free-looking” locks hide a keyway under a sliding cover on the bottom or back of the keypad. That key you tossed in a junk drawer on install day is the backup — find it tonight, tape it inside the garage.
Fresh alkalines only
Kwikset says it plainly: the electronics are calibrated for alkaline discharge curves. Rechargeables hold a flat voltage then fall off a cliff — the lock never sees it coming and neither do you. Four fresh name-brand alkaline AAs, once a year, and this whole section never applies to you.
It’s almost never the lock
In our install experience the number-one smart-lock killer is a misaligned strike plate — the door hole the bolt slides into. The test takes ten seconds: open the door and throw the bolt with the lock’s thumb-turn or button. Smooth with the door open but grinding with it closed? The lock is fine; the door is binding. Bakersfield’s summer heat swells and shifts doors every year, and the motor strains against the misalignment until it gives up (and eats batteries doing it). Adjusting the strike plate is a screwdriver job; we do it on every lock install as a matter of course.
Re-teach the lock its door
After any battery change or door adjustment, Kwikset locks re-learn their orientation automatically when the battery pack goes in with the door open — if yours acts confused (bolt stops halfway, wrong direction), remove the pack, hold Program while reinserting it, release, and press Program once: the bolt runs a learning cycle.
Codes suddenly rejected?
On Schlage keypads, check Vacation Mode — it disables every user code on purpose, and entering the six-digit programming code is what turns it back off. Also mundane: some locks disable codes when batteries run critical, recovering with fresh cells.
Wi-Fi locks that won’t reconnect
Schlage Encode has documented quirks worth knowing: Wi-Fi passwords over 24 characters, symbols like $ and &, or a space in the password can fail setup outright. If your network name or password is exotic and the lock refuses to join, that — not the hardware — may be the whole story.
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Bring it to the people who do this daily
No shame in it — some faults are hardware, and some setups fight back. Call or text us a photo of the setup and we will tell you in one minute whether it is a five-minute fix or worth a visit.
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More guides: Our smart home installs · Video doorbell offline · Smart plugs offline
Quick answers
My smart lock eats batteries every month.
A healthy lock runs many months per set. Monthly battery death means the motor is fighting the door — run the open-door bolt test; a strike-plate adjustment usually triples battery life.
The keypad lights up but the bolt doesn't move.
Fresh alkalines first (a lit keypad can survive on voltage too weak to drive the motor). Then the open-door test: bolt moves freely with the door open = alignment; doesn't move at all = re-run the handing/calibration, and if it still won't, call — clutch faults are real but rare.
Is a smart lock less secure than a normal deadbolt?
The bolt itself is the same hardened steel. The honest risks are user-side — weak codes and shared codes that never expire. Use unique codes per person, delete them when people move out, and it is at least as secure as the key under your mat never was.
Can you install one on my door?
Yes — install, door alignment, app setup and code walkthrough. It pairs naturally with a video doorbell; call for a free phone quote.