LiftMaster SW420 Support and Manuals

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Liftmaster Sw420 Gate
Liftmaster SW420 gate will open then will not close. Next time may work fine. Next time may not open...
(Posted by lcstoff 6 years ago)
How To Reset Remote For Sw420
how to reset remote for lift master sw420
(Posted by awang82747 9 years ago)
Controll Input For Sw420 Liftmaster
the led light is blinking 5 times indicating a limit fault, the manual states to clear to "control i...
(Posted by Anonymous-146071 9 years ago)

Popular LiftMaster SW420 Manual Pages

SW420 GL BOARD Manual - Page 1

GLCONTROLLER BOARD MODEL SW420 LIGHT DUTY SWING GATE OPERATOR 2 YEAR WARRANTY Serial located on electrical box cover) Installation Date INTENDED FOR PROFESSIONAL INSTALLATION ONLY. VISIT WWW.LIFTMASTER.COM TO LOCATE A PROFESSIONAL INSTALLING DEALER IN YOUR AREA. MODEL SW420 IS FOR VEHICULAR PASSAGE GATES ONLY AND IS NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE. THIS MANUAL IS TO BE LEFT ...
SW420 GL BOARD Manual - Page 2

... statements that all safety instructions. • These instructions are not intended to be comprehensive. TABLE OF CONTENTS OPERATOR SPECIFICATIONS Carton Inventory 2 Operator Dimensions and Specifications 3 UL325 Model Classifications 4 OPERATOR WARNINGS Suggested Safety Protection Device Locations 5 Safety Installation Information 6 Gate Construction Information 7 Safety Precautions...
SW420 GL BOARD Manual - Page 4

... 4 RESIDENTIAL VEHICULAR GATE OPERATOR A vehicular gate operator (or system) intended for use in audio alarm. INDUSTRIAL/LIMITED ACCESS VEHICULAR GATE OPERATOR A vehicular gate operator (or system) intended for use in plain view on both the open and close directions of the gate within the operator. CLASS IV - Examples include sirens, horns or buzzers. This entrance is installed on...
SW420 GL BOARD Manual - Page 7

...pedestrian access and to vehicular gates not to be automated. 2.3 Any existing automated gate, when the operator requires replacement, shall be upgraded to conform to the provisions of this specification in accordance with a powered gate operator. 1.6 A gate latch shall not be installed on an automatically operated gate. 1.7 Protrusions shall not be permitted on any gate, refer to ASTM F2200 for...
SW420 GL BOARD Manual - Page 12

... point on the gate where the gate bracket will be installed on Operator Arm Stop (Left Open) Arm Stop Kit K75-18624 ADVERTENCIA PRECAUCIÓN Gate 36-1/2" Hinge Pin (Approximately) Fence Gate Bracket Extension Arm 16" 33-1/2" 28" Control Arm Arm Stop 26" Operator Shaft 12 When the manual release pin is installed incorrectly, the gate will mount to...
SW420 GL BOARD Manual - Page 17

... CLOSE) of operator and away from gate bracket so gate is pointed in desired position. Gate should now be already actuating open limit cam may have been made. Fine tune both switch settings by set screws. The control arm should turn off power. Be sure close limit switch. Press OPEN button (if installed) or connect terminals 5 & 7 on close...
SW420 GL BOARD Manual - Page 19

... vehicle to : a. Once the slide or swing gate reaches the open position the barrier will lock the gate in the conduit between the BG770 and the SW420 for correct functionality of the SAM system. Install conduit between the BG770 SW420. 3. Attach a wire from terminal J1-8 on the BG770 barrier gates terminal strip. 6. The design of this point...
SW420 GL BOARD Manual - Page 25

... prior to optimize gate behavior for specific application. SL = Slide • SW = Swing RIGHT/LEFT OPERATION This switch selects the gate opening direction, to the left or to -Close feature works in motion" alarm feature. When switch is determined from the inside of fence looking out. Right/Left operation is ON, no settings can be...
SW420 GL BOARD Manual - Page 26

... the input is configured for photo eyes, the input functions to reverse the gate to -Close will operate in a master or second mode depending on (S4) switch setting. TRAFFIC This switch (S2-4) selects edge or photo sensor for the gate opening cycle. The Timer-to-Close may be completed in the same conduit as...
SW420 GL BOARD Manual - Page 28

..., for proper programming. An installed accessory may be wired incorrectly or malfunctioning. If the switch S1-1 is activate the timer to do not effect the gate. Configure terminals R1-4 for residential (Open and open obstruction input has been programmed to move or binds repair the gate. Failure to programmed incorrectly. This pot must be set . Make sure that...
SW420 GL BOARD Manual - Page 34

... operation. * All inputs are contrary to operate the gate system, MUST be installed where the user cannot come into contact with the gate while operating the controls. Installation device instructions - FREQ FREQ SOFT OPEN INPUT (N.O.) 1 2 3 5 6 7 8 9 0 # HARD OPEN CONTROL INPUT (N.O.) OPEN CLOSE STOP HARD CLOSE CONTROL INPUT (N.O.) OPEN CLOSE STOP SHADOW LOOP INPUT (N.O.) STOP/RESET CONTROL...
SW420 GL BOARD Manual - Page 36

... Support Group 6050 S. HOW TO ORDER REPAIR PARTS OUR LARGE SERVICE ORGANIZATION SPANS AMERICA FOR INSTALLATION AND SERVICE INFORMATION CALL OUR TOLL FREE NUMBER: 1-800-528-2806 www.liftmaster.com WHEN ORDERING REPAIR PARTS PLEASE SUPPLY THE FOLLOWING INFORMATION: PART NUMBER DESCRIPTION MODEL NUMBER ADDRESS ORDER TO: THE CHAMBERLAIN GROUP, INC. THIS LIMITED WARRANTY DOES NOT COVER ANY PROBLEMS...
SW420 S3 BOARD Manual - Page 6

...serious injury or death. These instructions are not intended to follow . Because each individual application. STEP 1: BEFORE INSTALLATION 1 Confirm gate operator model is safe for the user as well as a component part of a gate system. STEP 2: DURING INSTALLATION 1 Disconnect power at service panel before installation of the purchaser, designer, installer and end user to ensure that...
SW420 S3 BOARD Manual - Page 24

... radio (R2) Is wired here internally by the manufacturer when installing and adjusting any case, the device must be ordered factory installed. For warning devices, call for significant increase in sight of gate operation. 5 7 OPEN BUTTON Caution - If these instructions are contrary to operate the gate system must sense people. If struck again during a reversal the...
SW420 S3 BOARD Manual - Page 34

... Prepare to LiftMaster. FOR TECHNICAL SUPPORT TO ORDER REPAIR PARTS Call our toll free numbers: Call our toll free numbers: (800) 323-2276 (800) 998-9197 (800) 528-2806 (800) 998-9197 Installation and service information is protected by copyright and contain information proprietary to provide the following information when ordering repair parts: Part Number Part Name Model Number This...

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We have the following 2 documents available for the LiftMaster SW420:
  • SW420 GL BOARD Manual
  • SW420 S3 BOARD Manual
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