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  • Seco-Larm SK-B111-PQ — ENFORCER Bluetooth Access Controller Installation Manual and Administrator Guide

    September 08, 2026 9 min read

    Installation Manual and Administrator Guide for the Seco-Larm ENFORCER Bluetooth Access Controller (SK-B111-PQ) — app-based access control via the SL Access app.

    Full text manual (for reference)

    Installation Manual and Administrator Guide for SECO-LARM's ENFORCER Bluetooth® Access Controllers (including the SK-B111-PQ Indoor Bluetooth Keypad with Proximity Reader) — app-based access control managed via the SL Access™ app, with no codes to memorize, no cloud dependency, and support for up to 1,000 users per device.

    Overview

    ENFORCER Bluetooth Access Controllers use fully integrated Bluetooth® wireless technology for streamlined setup and management as well as easy user access. All data is secured on the device itself — set and monitored entirely by the administrator, with no cloud or internet exposure. Beyond doors, these controllers can also manage gates, lighting, machinery, and other devices.

    Key Features

    • No codes to remember: intuitive, visual, app-based programming and management, up to 1,000 users (depending on device)
    • No cloud, no internet exposure: all data secured on-device
    • More than access: can control doors, gates, lighting, machinery, etc.
    • Multiple user types: permanent, scheduled, temporary, or limited number of times
    • Output modes: timed relock (1~1,800s), remain unlocked, remain locked, toggle — customizable per user
    • Individual user customization: individually customizable output mode and time
    • Authorized user monitor: displays total number of users to guard against unauthorized additions
    • Multiple ways to open: keypad, proximity card/fob, or app
    • Hold Open (Passage): hold door open with code, card, or app (customizable)
    • Secure, integrated Bluetooth: passcode protected, AES128 encryption
    • Unlimited devices: access/manage an unlimited number of devices with one app
    • Easy backup and restore: off-device storage, restoration, and replication of devices
    • Downloadable audit trail: last 1,000 events, searchable by user and event type
    • Multilingual app interface: English, Spanish, French, Portuguese, German, Russian, Vietnamese, Chinese (Traditional or Simplified)

    Getting Started

    In addition to the device's box contents, you will need:

    1. A drill with a 5/16" (8mm) drill bit, plus a larger bit and/or hole saw for the wiring hole
    2. A bit driver for the security screw (included)
    3. A Phillips head screwdriver
    4. Needle-nose pliers
    5. A smartphone with Bluetooth wireless technology (iOS 11.0+ or Android 5.0+)
    6. The SL Access™ app, downloadable from the iOS App Store or Google Play Store

    Notes: Enable automatic app updates. The app defaults to your phone's language if supported (English, Spanish, French, Portuguese, Russian, German, Vietnamese, Traditional/Simplified Chinese), otherwise English. Devices use EEPROM memory, so stored data survives power outages.

    Installation & Wiring

    Follow the mounting instructions included with your particular product; crimp connectors are included for wiring. The wiring diagram below applies to all models (pictured: Single-Gang Keypad):

    • Red – power
    • Black – power
    • White – COM
    • Blue – N.O. fail-secure
    • Yellow – N.C. fail-safe
    • Green pair – to RTE (request-to-exit) button
    • Brown pair – to door sensor
    • Orange pair – to alarm system, N.C. (for the tamper alarm)

    Important: To protect the relay, install the enclosed diode — cathode (striped end) toward the positive side — for DC-powered locks, and install the varistor (MOV) for AC-powered locks and electromagnetic locks, unless your lock has a diode/MOV built in. Failure to do so will void the warranty. Use the blue wire for fail-secure applications and the yellow wire for fail-safe applications; insulate any unused wire end with electrical tape.

    ⚠ Safety Warning

    IF USING THE KEYPAD WITH A MECHANICALLY OPERATED DOOR OR GATE, MOUNT THE KEYPAD AT LEAST 15' (5m) FROM THE DOOR OR GATE TO PREVENT USERS FROM BEING CRUSHED OR PINNED. FAILURE TO DO SO MAY RESULT IN SERIOUS INJURY OR DEATH.

    • Always disconnect power before servicing the keypad; do not apply power until all wiring is complete.
    • The keypad must be properly grounded — use a minimum 22AWG wire connected to the common ground output. Failure to do so may damage the keypad.
    • Allow at least 2ft (60cm) between this and any other keypads to avoid interference.
    • All wiring and programming should be done by a professional installer.
    • The full SL Access App User Manual is downloadable from the product page at www.seco-larm.com.

    LED Indicators & Keypad Sounds

    State Green LED Blue LED Red LED
    Steady Output activated / door always unlocked / toggle unlocked Powered on, standby Invalid access attempt / door always locked activated
    Flashing ADMIN settings opened (overrides other indicators)
    Status Sounds* LED
    In programming mode Steady ON
    Successful key entry 1 Beep ON for relock duration
    Successful code/card entry 1 Beep ON for relock duration
    Unsuccessful code/card entry 3 Beeps 1 Flash
    Wrong code lockout 3 Beeps 1-Second flashes red/blue for lockout duration

    *Keypad sounds can be programmed ON/OFF, but output sounds remain active.

    Initial Setup — Logging In as Administrator

    1. From a position near the device, click "Login" at the top left of the home screen.
    2. Type "ADMIN" (case-sensitive) as the ID.
    3. Type the factory default ADMIN passcode 12345 and click Confirm.

    Change the default passcode immediately for security. The ADMIN ID cannot be changed and there is only one ADMIN account. Bluetooth LE only connects briefly to send a signal — there is no persistent "logged in" state, and only one phone's credentials can be remembered at a time.

    ADMIN Setup Screen — Available Settings

    • Manage Users — add/delete users, view/edit settings, export/import user lists
    • Audit Trail — download or delete the current trail
    • Back Up Settings / Restore Settings — for archive, restoration, or replication
    • Device Name — rename the device (up to 16 characters)
    • ADMIN Passcode — factory default 12345, must be 4~8 digits
    • ADMIN Card/Fob — assign a proximity card/fob for ADMIN login (devices with proximity reader only)
    • Door Sensor — enable/disable the door sensor input
    • Output Mode (Global) — set the global output mode; Output Time — set relock duration for Timed Relock mode
    • Number of Wrong Codes (3~10) and Wrong-Code Lockout Time (1~5 minutes)
    • Tamper Alarm (default enabled), Tamper Alarm Time (1~255 min, default 255), Tamper Sensitivity
    • Auto Proximity Range — sets range for the app's Auto Unlock feature
    • Key Sounds (keypads only), Device Time (view only, syncs with ADMIN phone), Help, About, Legal and Privacy, Firmware Version

    Global Output Modes

    1. Timed Relock — door unlocks then relocks after a set time (default: 5 seconds, programmable 1~1,800 seconds). This is the default mode.
    2. Remain Unlocked — free access, ADMIN only
    3. Remain Locked — no user access, ADMIN only
    4. Toggle — flips the current lock state on each trigger; overrides other Output Modes

    The ADMIN can override the global mode for individual users. Remain Unlocked/Remain Locked are ADMIN-only settings that immediately change door state; other users' actions are logged in the Audit Trail but don't override these states.

    Understanding Toggle Mode

    Toggle overrides other modes: if the device is unlocked via Toggle, another user set to Toggle will relock it; a Timed Relock user has no effect on an already-toggled-unlocked door (but is still logged). This is useful for a manager toggling a business open/closed while employees on Timed Relock still get individual access logging.

    Door Hold Open / Business Hours

    The ADMIN can set Output Mode (Global) to Remain Unlocked to hold a door open indefinitely (only ADMIN can relock). Alternatively, set an individual user's Output Mode to Toggle so they can hold-open/relock — useful for a shared "Business Hours" or "Hold Open" UserID that opens at start of day and relocks at close, while other employees remain on Timed Relock for individual logged entries.

    Wrong Code/Card Lockout & Tamper Alarm

    After too many wrong codes/unregistered cards (3~10, ADMIN-configurable), the device locks out for 1~5 minutes (ADMIN-configurable). During lockout, only the ADMIN app can interrupt it — not the keypad or card.

    The tamper alarm uses a 3-axis accelerometer to detect vibration indicating possible tampering. Default is enabled, High Sensitivity, 255-minute alarm duration (adjustable 1~255 minutes). It sounds an internal buzzer and triggers any connected external alarm until the time expires or the ADMIN disables it.

    Auto Proximity Unlock

    Unlocks the door automatically as your phone gets close to the device — convenient when hands are full. Requires the app open with the screen on; depends on Bluetooth signal strength (varies by phone/environment), so you must calibrate the Auto Proximity Range for your specific phone. You cannot open Settings while Auto is enabled — disable it first on the home screen.

    Managing Users

    • User ID: up to 16 characters, case-sensitive, can include spaces and accented/foreign characters; must be unique.
    • Passcode: 4~8 digits, unique per user, used for both app login and keypad entry.
    • Each device supports up to 1,000 users plus ADMIN (up to 200 plus ADMIN on some devices).
    • Proximity cards/fobs can be assigned by typing the known code or scanning the card/fob directly on the device (devices with a reader only).
    • Per-user settings: delete user, edit ID/passcode, add/edit proximity card, enable/disable access methods (app, card/fob, keypad), Access Type, and Output Mode.

    User Access Types

    • Permanent — default, no further settings.
    • Scheduled — access limited to specific times/days.
    • Temporary — start/end date and time for visitors (hours to days).
    • Number of Times — limits visitor access to 1~255 entries total.

    Custom Output Mode and relock time can also be set per user, overriding the global default.

    The Audit Trail

    Stores the last 1,000 events (oldest overwritten once the limit is reached), sortable by date/time, most recent first. Columns include the user/event ID and the method or error ("By" column). Logged conditions include: access outside a scheduled time window, tamper alarm triggers, exceeded entry limits/time windows, method used (APP/Keypad/Card-Fob), toggle lock/unlock actions, unregistered ID attempts (recording the attempted card code or last 7 digits of an attempted passcode, prefixed with an asterisk), restricted-method attempts, "Door forced open" (door forced or left open past relock time — requires a door sensor), and RTE (egress button) presses.

    The audit trail is downloaded as a .CSV file named "Device Name_Audit_YYYYMMDD_HHMM.csv" (24-hour format), openable in any spreadsheet program. During download, the device is inaccessible to users except via the egress button (not logged during download).

    Backup, Restore & Replication

    Device settings (including ADMIN passcode and proximity card, but not user data) can be backed up and restored. On Android, the backup file ("Device Name_Backup.bp") can be moved off-device and used to replicate settings to another device by renaming the file to match the target device's name — replication is Android-only (not available on iOS).

    Resetting the Device

    Resetting only the ADMIN passcode:

    1. Power off, remove the security screw, detach the unit from its base.
    2. Locate the jumper pins on the back (normally on pins 1 and 2).
    3. Move the jumper to pins 2 and 3.
    4. Power up and wait 5 seconds; after a short beep, the ADMIN passcode resets to 12345.
    5. Remove power, restore the jumper to pins 1 and 2, reinstall, and power back on.

    Full factory reset (clears user list, audit trail, and all settings): follow steps 1–4 above but continue waiting through a second short beep, then a long beep (full reset starting), then wait for one more short beep (reset complete) before restoring the jumper and powering back on. Note: jumper pin numbering is reversed on the SK-B241-PQ model. On firmware 2.21, a factory reset preserves the device name; on firmware 2.22+, the device name is also reset.

    Editing User Lists on a Computer (Advanced)

    For large user lists, export the CSV file and edit it in a spreadsheet program (e.g. Excel), importing as UTF-8 delimited text, editing only non-header/non-Column-A fields, keeping User ID/Passcode/Card# unique, matching existing date (YYYY-MM-DD) and 24-hour time formats, then re-saving as "CSV UTF-8 (Comma delimited)" before transferring the renamed file back to the phone's app data folder for import.

    Firmware Updates

    Firmware update notices appear on the SECO-LARM product page. Download the SL Access OTA Firmware Update Guide for instructions — firmware updates can only be installed via an Android phone.

    Troubleshooting

    Issue Solution
    LED flashes red/blue, device inaccessible Wrong-code lockout active — wait it out, or ADMIN can interrupt via the app.
    Lost the ADMIN passcode Use the ADMIN passcode reset procedure (jumper pins 2–3).
    Device doesn't show on home screen Move closer; exit and reopen the app.
    Lost the ADMIN's phone Log in from another phone with the ADMIN passcode; change the passcode immediately and remotely erase the lost phone.
    Home screen always says "Log In" even after logging in Normal — Bluetooth LE doesn't maintain a persistent connection; no need to re-login for the same device.
    "Door forced open" logged but no one forced entry Same message covers a door propped open past the relock time — device can't distinguish the two.
    Lock icon shows locked even though door is unlocked Bluetooth LE only sends the unlock signal briefly and can't confirm relock status.
    A user can't unlock the door Verify correct ID/passcode, that they're within their scheduled window or entry-count limit, and AM/PM time settings are correct.
    Can't find the settings backup file on iOS The backup file is not user-accessible on iOS devices (Android only).

    Accessories Available from SECO-LARM

    • Proximity Cards — PR-K1S1-A
    • Proximity Key Fobs — PR-K1K1-AQ

    Regulatory & Safety Notices

    California Proposition 65 Warning: These products may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. See www.P65Warnings.ca.gov.

    Weather-resistant installation: Ensure the unit is properly sealed where the housing base meets the wall so no moisture reaches the wiring. Incorrect mounting may expose the unit to rain/moisture, causing a dangerous electric shock, device damage, and voided warranty.

    Users and installers are responsible for ensuring installation and configuration complies with all applicable national, state, and local laws and codes related to locking and egress devices.

    FCC/IC Compliance (Bluetooth module): FCC ID: K7TRB8762   IC ID: 2377ARB8762. Complies with FCC Rules Part 15 — operation subject to (1) no harmful interference caused, and (2) must accept interference received. Changes/modifications not expressly approved by the responsible party could void the user's authority to operate the equipment. No antenna or device modifications permitted (would void RF exposure compliance).

    Warranty

    Warranted against defects in material and workmanship under normal service for one (1) year from date of sale to the original customer. SECO-LARM's obligation is limited to repair or replacement of defective parts (transportation prepaid to SECO-LARM). Void if damage results from acts of God, misuse, abuse, neglect, unauthorized repair/alteration, improper usage, or faulty installation. No liability for special, collateral, incidental, or consequential damages.

    Manufacturer

    SECO-LARM® U.S.A., Inc. — 16842 Millikan Avenue, Irvine, CA 92606
    Phone: (949) 261-2999 | (800) 662-0800
    Web: www.seco-larm.com   Email: sales@seco-larm.com