33LMC - Garage door remote LiftMaster - Free user manual and instructions

Product Type	Garage Door Remote Control
Brand	LiftMaster
Model	33LMC
Power Supply	12V battery (model 10A14)
Frequency	390 MHz, fixed code
Number of Buttons	1, 2 or 3 depending on variant
Programming	Dip switches or smart/learn button
Estimated Range	Up to 100 meters in open field
Approximate Dimensions	7 x 4 x 2 cm
Approximate Weight	50 g (with battery)
Main Functions	Control garage door opener, lighting, commercial devices
Maintenance	Annual battery replacement
Cleaning	Soft, dry cloth
Safety	Keep out of reach of children; always monitor the door
Spare Parts	Sun visor clip (29C128), 12V battery (10A14)
Repairability	User battery replacement; no other repairable parts
Compliance	FCC, Industry Canada; domestic or office use
Warranty	1 year (depending on retailer)
Technical Support	1-800-528-9131 (United States)

Frequently Asked Questions - 33LMC LiftMaster

How to program the 33LMC remote without an existing remote?

Set the remote's Dip switches to any position (+, 0, -). Then, use the smart/learn button on the opener: press and release it, then within 30 seconds, press and hold the remote button until the LED flashes.Important: the remote's Dip switches must match those of the motor if using the switch method.

How to replace the battery of the 33LMC remote?

Slide the battery compartment cover to access the battery. Replace it with a 12V battery type 10A14 (available in stores). Dispose of the old battery according to local regulations. Do not leave batteries within reach of children.

The remote no longer works, what to do?

First check the battery: replace if necessary. Ensure the Dip switches match between the remote and the opener. If using the Smart/Learn method, reprogram the remote. If the problem persists, contact technical support at 1-800-528-9131.

Is the 33LMC remote compatible with all LiftMaster openers?

It is compatible with LiftMaster devices using a fixed 390 MHz code. For newer models with rolling code, check compatibility. It also works with 423LM receivers and commercial closing devices.

How to set the Dip switches on a 2-button remote?

For the smooth button (top), slide the battery compartment cover. For the grooved button (bottom), unscrew the screw on the back and remove the cover by pressing the tab. Use a pencil or screwdriver to set each switch to +, 0, or -.

How to program the remote for a commercial closing device?

Use a three-channel 423LM receiver. Set the receiver slide switch to N.C. Press the smart button A, then the red remote button for CLOSE mode. Repeat with the yellow (STOP) and green (OPEN) buttons. Replace the cover.

What are the safety precautions for using this remote?

Always keep remotes out of reach of children. Only operate the door if it is visible and clear. Do not let anyone pass while moving. Install the receiver where the door is visible but out of reach. For commercial doors, a reversing edge is mandatory.

What is the battery life?

The 12V battery provides at least one year of normal use. Replace it as soon as the range decreases or the LED is dim. Use only 10A14 type batteries.

Where can I buy replacement parts?

Replacement parts (sun visor clip 29C128 and 12V battery 10A14) are available from your LiftMaster dealer or at www.liftmaster.com. Contact customer service at 1-800-528-9131 for more information.

Is this remote FCC compliant?

Yes, it is verified for FCC compliance for home or office use. No modifications are allowed. It must accept any interference received. For questions, contact technical support.

USER MANUAL 33LMC LiftMaster

• ALWAYS keep remote controls out of reach of children. NEVER permit children to operate, or play with remote control transmitters.
• Activate gate or door ONLY when it can be seen clearly, is properly adjusted, and there are no obstructions to door travel.
• ALWAYS keep gate or garage door in sight until completely closed. NEVER permit anyone to cross path of moving gate or door.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

INTRODUCTION

This product is for use with gate operators, commercial door operators and any LiftMaster® product that uses a 390 MHz fixed code. The single-button remote control will activate one device, the 2-button remote control will activate up to 2 devices, and the 3-button remote control will activate up to 3 devices.

BEFORE YOU BEGIN

Locate the dip switches on your remote control

Single-Button and 3-Button Remote Controls:

Slide the battery cover open to access the dip switches in the remote control.

2-Button Remote Control:

The 2-button remote control has two sets of dip switches.

Slide the battery cover open to access the dip switches for the smooth button. Remove the screw on the back of the remote control and remove the cover by pressing the tab. This will access the dip switches for the ribbed button.

3-Button Mini Remote Control:

The large top button is recommended for use with a garage door opener and/or light control product. The other push buttons can be used to operate another garage door opener and/or light control product.

Access the dip switches by turning the remote over and removing the back of the case. Be careful to avoid moving circuit board components.

Single and 3-Button Remote Controls

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    A["Server"] --> B["Device with internal components"]
    B --> C["Symbol: circular symbol"]

2-Button Remote Controls

Mini Remote Controls

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Use a pen or screwdriver to slide the dip switches.

Programming the remote control to an existing remote control

Locate the dip switches in the new and old remote controls. Place remote controls side by side and set the dip switches in the remote controls to matching positions (+,0,-).

Programming a 3-button remote control

When programming a single or 2-button remote control to a 3-button remote control it is very important to set dip switch #1 to the correct position. The dip switch in the single or 2-button remote control MUST correspond to the buttons on the 3-button remote control as shown.

Example: If you are programming a single-button remote control to the middle button on the 3-button remote control, dip switch #1 in the single-button remote control MUST be set to "0" in order for both buttons to work.

Programming the remote control without an existing remote control

Set the dip switches in the remote controls to any position you want (+,0,-).

Programming with Smart/Learn button

1 Press and release the Smart/Learn button on your product. The LED will light.
2 Within 30 seconds press and hold the button on the remote control that you wish to activate your product.

Programming is complete.

Repeat the steps above for each button and/or remote control you would like to program.

Programming with dip switches

1 Check the dip switch settings on the back of your product.
2 Use a pen or screwdriver to slide the dip switches in the remote control to match the dip switches on the back of the product.

When the dip switches have been set press the remote control button to activate your product.

Single or 2-Button 3-Button Remote Control Remote Control

Dip switch #1 must correspond to the 3-button remote control buttons

New Remote Control

1 Smart/Learn Button

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2

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Dip Switch Settings From Product

WARNING

Install the control station and receiver where the door is visible, but away from the door and its hardware. When a receiver is used to activate a commercial door opener, a reversing edge MUST be installed on the bottom of the door. Failure to install a reversing edge under these circumstances may result in SERIOUS INJURY or DEATH to persons trapped beneath the door.

Model 33LM 3-button remote controls can also be used with a 423LM 3-channel receiver and a 3-button door control to activate a commercial door operator in OPEN, CLOSE, and STOP mode.

1 Use a screwdriver to pry open the receiver cover.
2 Verify that the slide switch on receiver is set to the N.C. position (other wise the commercial door operator will not operate).
3 Press and release the Smart/Learn button labeled "A" on the receiver. The adjacent LED will flash.
4 Within 30 seconds press and release the red button on the remote control. The red button is now programmed for CLOSE mode.

NOTE: If the remote control button is not pressed within 30 seconds, the LED next to the selected Smart/Learn button will turn OFF. In that case, press the Smart/Learn button again to repeat programming.

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Repeat the steps 3-4 above with the yellow button on the remote control and the receiver Smart/Learn button "B" to program the CLOSE mode; and again with the green button on the remote control and the receiver Smart/Learn button "C" to program the OPEN mode.

5 Replace the receiver cover.

WARNING

To prevent possible SERIOUS INJURY or DEATH:

• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.

The 12 volt battery should produce power for 1 year.

Dispose of old batteries properly.

NOTICE: To comply with FCC and or Industry Canada rules (IC), adjustment or modifications of this receiver and/or remote control are prohibited, except for changing the code setting or replacing the battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.

Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

REPLACEMENT PARTS

Visor clip 29C128

12V battery 10A14

FOR TECHNICAL SUPPORT DIAL OUR TOLL FREE NUMBER:

1-800-528-9131

www.liftmaster.com

LiftMaster®

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1 Bouton intelligent/d'apprentissage

Hand inserting a button into an electrical outlet (no text or symbols visible)

2

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Line drawing of a hand holding a credit card (no text or symbols visible)

AVERTISSEMENT