050ACTBLKMC - Garage door LIFT-MASTER - Free user manual and instructions

Product Type	Residential Garage Door Opener
Brand	LIFT-MASTER
Model	050ACTBLKMC
Main Power Supply	Mains 120V/60Hz
Backup Battery	Integrated (12V, type not specified)
Connectivity	Wi-Fi myQ compatible
Max Number of Remote Controls	40 (programming via LEARN button)
Safety	Safety reverse system + Protector System photoelectric sensors
Integrated Lighting	2 bulbs (max 60W each, type E26)
Materials	Metal and plastic
Operating Temperature	-20°C to 50°C (standard estimate)
Maintenance	Monthly test of safety reverse system
Cleaning	Soft cloth, no harsh solvents
Spare Parts	Receiver main board, remote controls, sensors, batteries
Repairability	Main board replacement possible (see manual)
Standards	Compliant with UL, FCC
Warning	California Proposition 65: contains lead

Frequently Asked Questions - 050ACTBLKMC LIFT-MASTER

How to program a remote control?

Press and release the LEARN button on the opener (the LED lights up). Within 30 seconds, press and hold the remote control button until the door lights flash. Release. The code is memorized.

How to adjust the travel limits?

Press the adjustment button until the UP button flashes. Use the UP/DOWN buttons to position the door at the desired open and close positions. Press adjustment to confirm each position. The lights flash twice after each step.

How to test the safety reverse system?

Place a 3.8 cm (1 1/2 inch) thick board in the center under the open door. Press the close button. The door should automatically reverse upon contact with the obstacle.

What to do if the door does not reverse during the test?

Repeat the travel limit programming (step 1). If the test still fails, contact a qualified technician. The reverse system is essential for safety.

How to replace the receiver main board?

Disconnect power and battery. Remove the lens, disconnect wires, remove screws and clips from the main board. Install the new board, reconnect wires (white/white-red for door, white/white-black for sensors), reinstall lens, and reconnect power.

What do 5 light flashes mean?

This indicates that the travel limit programming was not saved correctly. Repeat the limit adjustment procedure.

How to connect the opener to myQ?

Use the myQ serial number located on the label provided with the device. Follow the myQ user guide to associate the opener with your Wi-Fi network and your account.

Is the backup battery replaceable?

Yes, the backup battery is located in the opener's compartment. Wear gloves and safety glasses when replacing. Use a compatible replacement battery (type not specified, refer to the manual).

When to clean the garage door opener?

Regularly clean dust with a soft cloth. Do not use solvents or abrasive products that could damage electronic components.

What to do if the safety sensors are obstructed?

Check that the sensors are properly aligned and no obstacle is blocking the beam. The indicator light on each sensor must be on. If a sensor is off, readjust it or clean the lenses.

USER MANUAL 050ACTBLKMC LIFT-MASTER

RECEIVER LOGIC BOARD REPLACEMENT

Model 050ACTWFMC

Installation

1 Before you begin

Your garde door opener has an internal gwtway located on the receiver logic board. After installing the new receiver logic board, use the myQ serial number found on the provided label to add your garage door opener to your myQ account. The products illustrated in the instructions are for reference. Your product may look different.

WARNING

To prevent possible SERIOUS INJURY or DEATH:

• Disconnect ALL electric and battery power BEFORE performing ANY service or maintenance.

CAUTION

To prevent damage to the receiver/logic board, DO NOT touch printed circuit board of replacement receiver/logic board during installation.

ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment.

1.1 Remove the light lens by pulling the top sides of the light lens and rotate the light lens down. Squeeze the light lens clips to remove lens from end panel.

1.2 To maintain your warranty, place the provided label over the existing label on the end panel of the garage door opener.

1.3 Disconnect power to the garage door opener.

2 Remove the receiver logic board

2.1 Disconnect the wires from the quick-connect terminals (A) Remove the receiver logic board end panel from the garage door opener.

2.2 Unplug the wire harnesses from the receiver logic board. You may need needle-nosed pliers to remove the harnesses.

2.3 Remove the receiver logic board from the end panel by removing the 2 screws and releasing the 2 clips.

Install new receiver logic board

3.1 Connect the wire harnesses to the new receiver logic board. When reconnecting the wire harness, be sure the tabs on the wire harness are facing the end panel, not the logic board.

3.2 Insert the antenna wires through the holes in the end panel. Snap the receiver logic board into place on the end panel and fasten with screws.

NOTE: Some models will require the short anthrax worm to be placed in the traps of the end panel.

3.3 Reinsert the wires.

Door control wires:

• white wire into the white terminal

white/red wire into the red terminal.

Safety sensor wires:

• white wires into the white terminal.

• white/black wires into the

grey terminal.

To insert or remove the

wires from the terminal,

push in the tab

3.4 Install the light lens by aligning with

the hinges and snapping into place. Reconnect power.

NOTE: When installing the light lens, ensure the antenna

wires are hanging straight down.

NOTE: A test of the safety reverse system is necessary for safe operation.

Programming

Program a remote control using the learn button

1.1 Press and release the Learn button on the garage door opener. The Learn indicator light will glow steadily for 30 seconds.

1.2 Within 30 seconds, press and hold the button on the remote control.

1.3 Release the button when the garage

door opener light blinks. It has learned

the code. If light bulbs are not installed,

two clicks will be heard.

To program the Wi-Fi garage door opener to your network refer to your owner's manual.

Adjustment

1 Program the travel

WARNING

Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
- Incorrect adjustment of garage door travel limits will interfere with proper operation of safety reversal system.
AfterANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on floor

While programming the travel, the UP and DOWN buttons can be used to move the door as needed. The Safety Reversing Sensors will be disconnected during the Program the Travel process. During the Automatic Force Setup the door will automatically open and close.

1.1 Press and hold the Adjustment Button until the UP Button begins to flash and/or a beep is heard.

The Safety Reversing Sensors will be disconnected during the Program the Travel process.

1.2 Press and hold the UP Button until the door is in the desired UP position.

1.30ncethe door is in the desired UP position press and release the Adjustment Button. The garage door opener lights will flash twice and the DOWN Button will begin to flash.

1.4 Press and hold the DOWN button until the door is in the desired DOWN position.

1.5 Once the door is in the desired DOWN position press and release the Adjustment Button. The garage door opener lights will flash twice. Program the Travel is now complete. If the garage door opener lights flash 5 times, then programming has timed out and the Travel Limits have not been set. Please restart the Program the Travel process.

1.6 Add the Step Saver sticker under the yellow program button.

Automatic Force Set Up

Once both the up and down positions have been manually set, the Safety Reversing Sensors will reconnect and become operational. Then, the opener will enter a force-sensing operation by automatically moving the door open and close. The garage door opener will sound an audible and visual alert before automatically opening and closing the door. The garage door opener will beep three times, confirming that the Automatic Force Setup completed successfully. Adjustment is complete.

If you hear one long beep after the door attempts to move, then the Automatic Force Set Up has not completed successfully. Please start over at step 1 of Program the Travel...

3 Test the Safety Reversal System

WARNING

Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.
- Safety reversal system MUST be tested every month.
- After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on contact with 1-1/2" high (3.8 cm) object (or 2x4 ladd flat) on the floor.

3.1 With the door fully open, place a 1-1/2 inch (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under the garage door.

3.2 Press the remote control push button to close the door. The door MUST reverse when it makes contact with the board.

If the door stops but does not reverse:

1. Repeat Program the Travel (see Adjustment Step 1);
2. Repeat the Safety Reversal test.

If the test continues to fail, call a trained door systems technician.

4 Test the Protector System

WARNING

Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY INJURED or KILLED by a closing garage door.

4.1 Open the door. Place an obstruction in the path of the door.

4.2Press the remote control push button to close the door. The door will not move more than an inch (2.5 cm).

The garage door opener will not close from a remote control if the LED in either safety reversing sensor is off (alerting you to the fact that the sensor is misaligned or obstructed).

If the garage door opener closes the door when the safety reversing sensor is obstructed (and the sensors are no more than 6 inches [15 cm] above the floor), call for a trained door systems technician.

REEMPLACEMENT DU RÉCEPTEUR DE LA CARTE MÈRE

Modèle 050ACTWFMC

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