linear keypad manual

Linear Keypad Overview

The Linear AK‑11 keypad delivers secure, keyless access with a durable aluminum housing․ It supports up to 10 user codes, auto‑close via the opener, and can be mounted on a pedestal or wall․ Batteries last 12–18 months, and the keypad offers clear LED feedback․ It is weather‑proof․ OK

Installation Procedures

Mount the Linear AK‑11 on a pedestal or wall using the supplied brackets․ Connect INHIBIT, COMMON, and power terminals to the opener; Ensure 12V DC supply and secure grounding․ Verify LED status before final mounting․ OK All steps comply with local codes․!!

Mounting Options

Linear AK‑11 keypads offer flexible mounting solutions․ The pedestal mount provides a stable, level base that protects the keypad from vibration and allows easy access․ The pedestal is secured to the wall or gate frame with supplied mounting screws, and the keypad slides onto the pedestal’s rails․ For a cleaner look, a wall‑mounted option is available․ The keypad’s backplate is attached to the wall using the included screws and a self‑drilling anchor, and the recessed backplate holds the keypad firmly․ A third option is a direct wall mount using the optional bracket kit․ This bracket attaches to the wall and supports the keypad with a small mounting plate․ The bracket kit includes a lockable latch that keeps the keypad in place during heavy use or in high‑traffic areas․ All mounting methods require the keypad to be level to ensure proper operation of the keypad’s internal electronics․ The installation manual recommends checking the level with a spirit level before tightening all screws․ Proper mounting not only protects the keypad from damage but also ensures reliable operation over time․ All mounting options are built for durability and ease of use, keeping the keypad secure in setting in all environments and designed to withstand extreme temperatures, humidity, and impacts․!!! This robust design ensures the keypad remains under environmental conditions, providing peace of mind for users;! The installation process is straightforward and requires tools quick․

Wiring Connections

The Linear AK‑11 keypad requires a simple 12‑V DC power source and a connection to the gate opener’s control board․ The keypad’s terminal block includes four pins: Power (+12 V), Ground, INHIBIT, and COMMON․ Connect the positive lead from the power supply to the Power terminal, and the negative lead to the Ground terminal․ The INHIBIT terminal is optional; it can be wired to a gate‑opener input that temporarily disables keypad operation during maintenance or power‑failure conditions․ If INHIBIT is used, the gate opener must provide a logic‑level signal (typically 0–12 V) that is inverted by the keypad’s internal circuitry․ The COMMON terminal is tied to the gate‑opener’s common return and is required for the keypad to detect the gate’s open/closed status․ Wiring should be performed with 18‑AWG or thicker insulated copper wire to minimize voltage drop over long runs․ All connections must be secured with lock‑nut fittings or heat‑shrink tubing to prevent corrosion and accidental disconnection․ For installations where the keypad is mounted on a pedestal, a short cable run (≤ 10 ft) is recommended to preserve signal integrity․ In remote or high‑voltage environments, use a dedicated conduit or cable tray to protect the wiring from physical damage․ Finally, after all connections are made, verify continuity with a multimeter and test the keypad’s LED indicators to confirm proper power and signal flow before closing the enclosure․ All wiring must be insulated outdoor use․ The keypad’s fuse protects against overcurrent․ Test code response․ Ensure proper grounding and safety today․

The Linear AK‑11 keypad requires a regulated 12‑V DC supply with a minimum current rating of 200 mA․ The manufacturer recommends a 12‑V, 1‑A fused power supply to accommodate peak draw during code entry and LED illumination․ A 12‑V DC adapter with a 2‑mm barrel connector is standard; the barrel tip must be positive, matching the keypad’s polarity markings․ For outdoor installations, use a weather‑sealed, NEMA 4X rated supply enclosure to protect against moisture, dust, and temperature extremes․ The supply’s output voltage must be stable within ±5 % to avoid false triggers or keypad resets; If the supply is located remotely, the cable length should not exceed 30 ft to limit voltage drop․ The keypad’s internal fuse (0․5 A) will blow if the supply exceeds 12 V by more than 10 %․ Grounding must be to the supply’s earth terminal; the keypad’s ground terminal should be bonded to the same point to prevent floating potentials․ Finally, ensure the power supply’s noise filtering (≤ 10 mA ripple) is adequate for the keypad’s microcontroller; excessive ripple can cause intermittent code entry failures․ Follow the Linear installation manual for exact connector pinouts and safety precautions․ The keypad will indicate power status via its LED; a steady green light confirms proper operation․ If the LED flashes red, check the supply voltage and polarity․ Proper power supply selection is critical for reliable keypad performance and longevity․

When selecting a supply, verify it meets electrical codes and includes protection․ Ensure connectors are tamper‑resistant and enclosure is NEMA 4X rated․ Document the supply’s model and serial number in the maintenance log for future reference!!!

Grounding and Safety

Proper grounding is essential for the Linear AK‑11 keypad to prevent electrical shock, ensure reliable operation, and comply with local codes․ The keypad’s ground terminal (GND) must be bonded to the building’s main grounding electrode system or to the enclosure’s grounding screw․ Use a minimum 10 AWG copper conductor, routed in a shielded cable, and terminated with a green grounding screw or a dedicated grounding block․ The power supply’s earth pin should be connected to same point to avoid differential potentials․ All metal mounting brackets and keypad’s backplate should also be bonded to grounding system․ In wet or corrosive environments, use a corrosion‑resistant grounding strap and ensure enclosure is NEMA 4X rated․ Follow Linear installation manual’s grounding diagram, which shows correct pinouts and recommended grounding methods․ After installation, test continuity between keypad’s ground terminal and building’s grounding electrode with multimeter; resistance should be less than 0․5 Ω․ Verify power supply’s earth connection is intact and keypad’s LED remains steady green under normal operation․ If LED flashes red, check for grounding fault or power surge․ For outdoor installations, use weather‑sealed grounding clamp and ensure cable is buried at least 18 in below surface or routed along conduit․ Finally, document all grounding connections in maintenance log, noting date, connector type, and any observed resistance values․ Proper grounding not only protects personnel but also enhances keypad’s signal integrity and longevity․

Programming the Keypad

To program the Linear AK‑11 keypad, press and hold the SET button until the LED blinks․ Enter the desired 4‑digit PIN, confirm, and the keypad will store it․ For remote pairing, press PAIR, then the receiver’s code, and confirm․ Reset by holding RESET for 5 s․ Done․!

Setting the PIN Code

To set a new PIN on the Linear AK‑11 keypad, power the unit and wait for the LED to stabilize․ Press the SET button and hold it for 3 seconds until the light blinks, signaling programming mode․ Using the numeric keys, type the desired 4‑digit code; the LED will flash once after each entry․ After the fourth digit, press CONFIRM․ A double flash confirms the code is stored successfully․ To change an existing PIN, press VERIFY, enter the current code, and upon a green LED you may set a new one․ If the wrong code is entered, the LED will flash red three times and the keypad will revert to the previous code․ The AK‑11 allows up to ten unique user codes; each can be assigned to a specific individual by pressing the USER button during programming․ Once all desired codes are entered, press EXIT to leave programming mode․ The keypad will return to normal operation, unlocking the gate when a valid PIN is entered․ For factory reset, hold RESET for 5 seconds; the LED will flash rapidly and all codes will be cleared․ Always verify the new PIN by pressing the keypad after programming to ensure the gate responds correctly․ This procedure guarantees secure, reliable access for authorized users․

The LED stays green for 5s after a successful entry, then returns to standby․ If it stays red, the code is invalid․ Keep the keypad clean and dry for best performance!! ․!!

Configuring Auto‑Close Feature

The Linear AK‑11 keypad itself does not command the gate’s closing motion; that function is handled by the gate opener’s firmware․ To activate auto‑close, consult the opener’s manual for the menu path—most Linear models use a keypad‑based configuration or a web interface․ Locate the “Auto‑Close” setting, toggle it to “Enable․” Specify the delay interval in seconds; the default is 30 s, but you can adjust it to 15–60 s․ After confirming, the opener will automatically trigger the closing cycle after the set period of inactivity․ Test the sequence by pressing the keypad to open the gate, then allowing the timer to expire; the gate should close without manual intervention․ If the gate does not close, verify that the opener’s power supply is stable and that the safety sensors are unobstructed․ Some models require a separate “Auto‑Close” firmware update; check the Linear support site for the latest patch․ Document the configuration in your site log and inform all authorized users that the gate will now close automatically after the specified timeout․ This ensures consistent operation and reduces the risk of unattended open gates․

After setting the delay, perform a safety check by manually opening the gate and observing the closing sequence․ If the gate stalls or stops prematurely, inspect the limit switches and ensure the safety sensors are clean․ Adjust the sensor sensitivity if the opener’s firmware allows․ Some Linear models also support a “Hold‑Open” override that can be activated by pressing the HOLD button on the keypad; this suspends auto‑close until the button is released․ Additionally, if the gate’s closing speed is too fast, adjust the closing speed setting in the opener’s configuration to a slower value to prevent damage to the gate or obstacles․ Please log any changes to the auto‑close configuration in the maintenance log for future reference․

Programming Remote Receivers

To link a Linear keypad to a remote receiver, begin by ensuring both devices are powered and the receiver’s address is known․ Most Linear receivers use a 16‑bit address that can be set via the keypad’s programming mode․ Follow these steps:

• Press and hold the PROGRAM button on the keypad until the LED blinks twice․ This signals entry into programming mode․
• Enter the desired receiver address using the numeric keys․ The keypad will display the entered value on the LED or LCD panel․
• Press the SET button to confirm the address․ The LED should flash once to indicate success․
• To verify the link, press the OPEN button on the keypad; the receiver should trigger the opener․ If no response, repeat the address entry․
• For multiple receivers, repeat the process for each, assigning unique addresses to avoid conflicts․
• When finished, press EXIT or release the PROGRAM button to return to normal operation․

Additional tips: keep the receiver’s firmware updated via the Linear support portal; this ensures compatibility with newer keypad models․ If the keypad fails to communicate, check the wiring: the INHIBIT and COMMON terminals must be correctly connected to the receiver’s corresponding inputs․ Refer to the receiver’s wiring diagram for exact pinouts․ Finally, document each receiver’s address in a maintenance log for future troubleshooting․

Maintenance and Troubleshooting

Regular checks include battery status, LED indicators, and keypad responsiveness․ If the keypad fails, reset by holding PROGRAM for 5 s, then re‑enter codes․ Verify wiring, especially INHIBIT and COMMON terminals․ Replace batteries every 12–18 months․ Check LED error codes and consult manual․

Battery Replacement Steps

Follow these steps to replace the batteries in your Linear AK‑11 keypad․ The unit uses two CR2032 coin cells, which provide a reliable 12‑month life under normal use․ Before starting, ensure the keypad is powered off by disconnecting the power cable or removing the battery compartment cover․ Step 1: Locate the battery cover on the rear of the keypad․ It is secured with a single Phillips head screw․ Remove the screw and lift the cover․ Step 2: Carefully lift the old batteries out of the tray․ Note the orientation of the positive (+) and negative (−) terminals; the new batteries must be inserted in the same orientation․ Step 3: Insert two new CR2032 batteries, ensuring the + side faces the top of the tray․ Replace the cover and tighten the screw securely․ Step 4: Re‑connect the power cable or reinstall the cover on the power source․ Step 5: Test the keypad by pressing a known code․ If the keypad does not respond, double‑check the battery orientation and the tightness of the cover․ Step 6: Dispose of the old batteries according to local hazardous waste regulations․ Proper disposal prevents environmental contamination and ensures compliance with safety standards․ By following these steps, you can maintain optimal keypad performance and avoid unexpected power loss․

Store the keypad in a dry place and avoid extreme temperatures to extend its life․ If the LED blinks, check the error code guide․ Keep spare batteries handy for quick replacement now!!!!

Troubleshooting Common Issues

When the Linear AK‑11 keypad fails to register a code, first verify that the batteries are fresh and correctly seated․ A weak or reversed battery will cause intermittent operation․ If the LED remains off or flashes a single long pulse, the unit is in error mode; consult the error code chart in the manual․ For a blinking LED pattern, check the wiring connections to the gate opener – a loose terminal can trigger a fault․ If the keypad does not respond to any code, ensure the power supply is within the specified voltage range (12–24 VDC)․ A voltage drop can be caused by a damaged cable or a faulty transformer․ Replace the power cable if it shows signs of wear or corrosion․ When the keypad locks out after a few failed attempts, reset it by pressing the RESET button for five seconds; this clears the lockout counter․ If the keypad still does not open the gate, verify that the auto‑close feature is enabled on the opener; the keypad itself does not close the gate․ Check the INHIBIT terminal – if it is inadvertently connected, the keypad will be disabled․ For a “LOW BATTERY” indicator, replace the batteries immediately․ If the keypad displays a “NO SIGNAL” message, confirm that the receiver is powered and within range․ In cases where the keypad lights up but the gate does not move, test the receiver by pressing a remote; if the gate responds, the keypad wiring may be defective․ Additionally, ensure that the keypad’s backplate is firmly secured; a loose backplate can cause intermittent contact․ If you have recently moved the keypad, re‑calibrate the receiver by following the pairing procedure outlined in section 3;3․ Finally, if the keypad’s LED blinks rapidly after a successful entry, it indicates a communication timeout; this can be resolved by tightening the shielded cable or replacing the connector․ Following these steps systematically will isolate the root cause and restore reliable operation․

Reset Procedures

To perform a factory reset on the Linear AK‑11 keypad, first ensure the unit is powered and the LED indicator is steady․ Locate the recessed RESET button on the back panel․ Using a paperclip or a fine‑pointed tool, press and hold the button for exactly five seconds․ During this period, the LED will flash twice, confirming that the reset sequence has been initiated․ Release the button and wait for the keypad to reboot; the LED will return to a solid green state․ At this point, the keypad will have cleared all stored user codes and returned to its default configuration․ If the keypad does not respond, double‑check that the batteries are fully charged and correctly oriented; a low voltage condition can prevent the reset from taking effect․ For a hard reset that also clears the communication link with the gate opener, disconnect the power supply for ten seconds, then reconnect and repeat the button press procedure․ After the reset, re‑enter the desired PIN codes by following the programming steps in section 3․1․ It is recommended to document the new codes and store them in a secure location․ Finally, verify that the keypad communicates with the opener by pressing the TEST button on the receiver; a successful transmission will be indicated by a brief LED flash on the keypad․ If the keypad still fails to communicate, inspect the wiring harness for corrosion or loose connections․ A properly executed reset will restore the keypad to its original factory state, allowing for fresh configuration and troubleshooting of any persistent issues․