Liftmaster 3800 installation instructions




















Immediately when the door begins to close, press and release either the black or. Push and hold the purple button until the door reaches the desired DOWN closed. Once the door is closed, if there appears to be too much pressure on the door, you. To prevent damage to vehicles, be sure fully open door provides adequate clearance. The force setting measures the amount of force required to open and close the door.

The door will close DOWN. Push the door control or programmed remote control again. The door will open UP. The door must travel through a complete cycle, up and down, in order for the force to be set properly.

If the garage door opener cannot open and close the door fully, inspect the door to ensure that it is balanced properly and is not sticking or binding.

If the door is not stopping exactly where you would like it, repeat Program the Travel Limits. Operate the door in the down direction. The door must reverse on striking the obstruction. Upon successful safety reversal test proceed to Adjustment Step 4. If the door stops on the obstruction, it is not traveling far enough in the down direction.

If the garage door opener continues to fail the Safety Reverse Test, call for a trained door systems technician. The garage door opener will not close from a remote if the indicator light in either 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, do not operate the door. Call for a trained door systems technician. With the door fully closed, the power door lock bolt should be protruding through the track. Operate the door in the open direction. The power door lock should retract before the door begins to move. When the door reaches the fully closed position, the power door lock should automatically activate to secure the door.

NOTE: If the power door lock does not function, the lock can be manually released by sliding the manual release handle to the open position. Disengage door lock before proceeding. The door should be fully closed if possible. Pull down on the emergency release handle until a click noise is heard from the garage door opener and lift the door manually.

To reconnect the door to the garage door opener, pull the emergency release handle straight down a second time until a click noise is heard from the garage door opener. Make sure the garage door is closed. Pull the emergency release handle. The garage door should then be able to be opened manually. Return the door to the closed position. Pull the emergency handle a second time. Reconnect the door to the garage door opener.

Welcome to ManualMachine. We have sent a verification link to to complete your registration. Log In Sign Up. Forgot password? Enter your email address and check your inbox. Please check your email for further instructions. Enter a new password. The Chamberlain Group, Inc. Attach the Cable Tension Monitor Required Using the Remote Control Introduction Safety Symbol and Signal Word Review This garage door opener has been designed and tested to offer safe service provided it is installed, operated, maintained and tested in strict accordance with the instructions and warnings contained in this manual.

Introduction Planning Survey your garage area to see if any of the conditions below apply to your installation. Complete the following test to make sure the garage door is balanced and is not sticking or binding: 1. Sectional Door. Tools Needed During assembly, installation and adjustment of the garage door opener, instructions will call for hand tools as illustrated below.

Pliers Wire Cutters. Introduction Carton Inventory Accessories included with the garage door opener will vary depending on the model purchased.

NOTE: Do not tighten set screws until indicated. Assembly 2 Attach Mounting Bracket to Garage Door Opener 1 Loosely attach slotted side of mounting bracket to the same side of the garage door opener as the collar, using self-threading screws provided. NOTE: Do not tighten screws until instructed. If possible, mount on same side as garage door opener. The second roller from the bottom is ideal 2 for most installations.

Ensure rail surface is clean and attach 5 3 lock template to track. Drill holes as marked on the template. Run bell wire up wall to garage door opener. Use insulated staples to secure 1 wire in several places. Insert wire through the bottom of the garage door 10 feet max. Lock Template Garage Door Track. DO NOT alter the plug. Clips slide in between the metal plate and the plastic housing on each side of the light base. NOTE: If installing light on drywall and a ceiling joist cannot be located, use wall anchors provided.

No pilot hole is required for wall anchors. Wind any excess cord around cord retainer on the top side of the light base. NOTE: Light will not operate until the garage door opener is activated.

Wall Anchor 4 1 Hinge Clip 5 Watt max. Reinstall garage door opener to torsion bar. Position the SPS on a structural support ceiling joist or wall stud. Be sure there is enough clearance for the sensor beam to be unobstructed. Be sure the lens is not obstructed by a bracket extension. Carriage Bolt Wing Nut.

Use insulated staples to secure wire to wall and ceiling. The indicator lights in both the sending and receiving eyes will glow steadily if wiring connections and alignment are correct.

The sending eye amber indicator light will glow regardless of alignment or obstruction. Lock in place. When the green indicator light glows steadily , tighten the wing nut. If the receiving eye indicator light is dim, realign either sensor. Adjustment 1 Program the Travel Limits Travel limits regulate the points at which the door will stop when moving up or down.

This sets the UP open limit and begins closing the door. Remove the snap-ring holding the roller in place and reassemble it on the opposite side of the cable tension monitor. Position the cable tension monitor as shown. Figures 1 and 2. The cable tension monitor should be located as close to the drum as possible. NOTE: There must be no obstructions in the installation area that prevent the cable tension monitor or the cable itself from closing completely when slack is detected.

Make sure cable tension monitor is located over a wood support member. Attach the cable tension monitor to the wall using the hardware provided. Make sure that the roller is on top of the cable. Run bell wire to motor unit. Connect bell wire to the green quick-connect terminals polarity is not important Figure 3. NOTE: Cable must have tension through entire travel. Make sure there is no slack in cable on opposite side of garage door during normal operation.

If this condition exists, adjust cables as required. Locate door control within sight of door, at a minimum height of 5' 1. For pre-wired installations as in new home construction , it may be mounted to a single gang box Figure 1. Scroll speed of display is slower at lower temperatures although the door control remains fully functional. If additional wall controls are desired to operate the same garage door opener, it is recommended to use model LM wireless wall control as the secondary door control.

Adjust screw for snug fit. Do NOT overtighten. Do NOT pierce wire with a staple, creating a short or open circuit. The door will travel to the full open position but will not return to the close position until the sensor beams are connected and properly aligned. See page NEVER permit anyone to cross path of closing garage door. Push Bar Cover. This portable luminaire has a polarized plug one blade is wider than the other as a feature to reduce the risk of electric shock.

This plug will fit in a polarized outlet ONLY one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a qualified electrician. NEVER use with an extension cord unless plug can be fully inserted. Light is intended for ceiling mount and indoor applications ONLY.

The remote light opener light is designed to plug directly into a standard V outlet. Install the hinge and latch clips. Clips slide in between the metal plate and the plastic housing on each side of the light base Figure 1. Select an appropriate location on the ceiling to mount the light within 6' 1. Install the ceiling mount plate with the screws provided. NOTE: If installing remote light opener light on drywall and a ceiling joist can not be located, use wall anchors provided.

No pilot hole is required for wall anchors. Determine the length of power cord needed to reach the nearest outlet. Wind any excess cord around cord retainer on the top side of the light base. Install the light base by pushing onto the screws and turning the base clockwise to lock the light in place. Install two Type A19 incandescent or compact fluorescent bulbs. Install the light lens by hooking one end of the lens over the hinge and pressing up on the other end to latch into place Figure 3. Plug in the light to outlet.

NOTE: Light will not operate until the unit is activated. Use ONLY incandescent. To prevent damage to the opener:.

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