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LiftMaster SW420 Support Question

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Question posted by Anonymous-146071 on November 10th, 2014

Controll Input For Sw420 Liftmaster

the led light is blinking 5 times indicating a limit fault, the manual states to clear to "control input" what is control input, all i get from the unit now when i activate it is 3 beeps then it shuts down

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Related LiftMaster SW420 Manual Pages

SW420 GL BOARD Manual - Page 1

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 WITH THE PROPERTY OWNER. GLCONTROLLER BOARD MODEL SW420 LIGHT DUTY SWING GATE OPERATOR 2 YEAR WARRANTY Serial located on electrical box cover...

SW420 GL BOARD Manual - Page 2

...SW420 (K77-SW420...CWAUATRIONINNG Electrical CAWUATRIONNING WARNING When you see this manual and follow all components were supplied and received ...Control Wiring (Required 15 ADJUSTMENT Programming the Radio Receiver 16 Limit Switch Adjustment 17 RPM Sensor (Hall Effect) Adjustment 18 Sequenced Access Management System (SAMS 19 Accessory Wiring 20-21 Control Board Illustration 22 Controller...

SW420 GL BOARD Manual - Page 4

...a control requiring...SW420 is intended for use in a home of one-to-four single family dwellings, or a garage...unit (five or more single family units) hotel, garage... KEEP CLEAR! The opener can ...LIMITED ACCESS VEHICULAR GATE OPERATOR A vehicular gate operator (or system) intended for a non-contact device, such as photoelectric eyes, Type B2- SAFETY ACCESSORY SELECTION All UL325 compliant LiftMaster...

SW420 GL BOARD Manual - Page 16

... on residential garage door openers because it overrides the safety reversal devices. NEVER permit children to the following two conditions: (1) this device may not cause harmful interference, and (2) this receiver and/or transmitter are now erased. The receiver is pressed. Press and release the "learn indicator light will glow steadily for each remote control that you...

SW420 GL BOARD Manual - Page 19

... activates the Interrupt Loop input, the next vehicle to the slide or swing gate. Once the swing or slide gate is controlled by two gates installed in the open during high traffic times, connect the device's N/O relay output to the control board's Interrupt Loop input. You may pass through the SAM system. 6. Install conduit between the BG770 SW420...

SW420 GL BOARD Manual - Page 20

... - NOTE: Will not override a double entrapment (signalled by activating the remote control when the gate is primarily used on the open limit. HARD OPEN CONROL INPUT 1 2 3 4 5 6 7 8 9 10 SHADOW LOOP INPUT 1 2 3 4 5 6 7 8 9 10 SOFT OPEN 1 2 3 4 5 6 7 8 9 10 123 56 789 0# Field Wiring Terminals 8 & 5 - Interrupt (Safety) Loop Input These terminals are intended for use with a radio receiver in...

SW420 GL BOARD Manual - Page 21

... the close . Photo Eye Input: See Programming Section This input will reverse an opening gate. This input will be disabled until a stop control is cleared, the gate continues to the open . OBSTRUCTION CLOSE (EDGE/PHOTO EYE INPUT) 5 8 9 10 11 12 Field Wiring Terminals 3 & 5 - Activating this input when the gate is closing gate to open limit. Obstruction Close (Edge/Photo...

SW420 GL BOARD Manual - Page 23

... control. Two red LEDs (OLS, CLS) are indicators for a few seconds and then stop inputs. 23 Failure to flash rapidly. 3. LED Code Flashed Diagnostic Meaning Cleared By OFF 1 2 3 4 5 6 On No Flash Normal operation Single entrapment sensed Double entrapment Failed or no hall effect sensor Exceed maximum motor run time Limit fault Loss of force. If the unit activates a limit...

SW420 GL BOARD Manual - Page 26

... controller is activated during the opening cycle. Close Edge: When the controller is configured for safety edges, the input functions to reverse the gate to the close limit when the edge is configured for safety edges, the input functions to reverse the gate to the open limit when activated during the close stop if there is cleared the gate continues to open input...

SW420 GL BOARD Manual - Page 27

... are on control board. Fault in the motor. Measure the incoming voltage at the unit's on /off switch. It should be wired incorrectly or malfunctioning. Make sure that the master/second wiring is installed correctly and is intact (not damaged). Check the yellow If the yellow LED blinks six times there is a master/second unit diagnostic LED at...

SW420 GL BOARD Manual - Page 28

... is not aligned/ adjusted correctly. Failure to move or binds repair the gate. See page 23. Observe red LEDs D29 and D31. Replace the sensor if it is activate the timer to terminal J1-1 from the operator and swing the gate open limit. Programming changes do so will indicate the activation of an active or malfunctioning accessory.

SW420 GL BOARD Manual - Page 30

... LOOP ENTRAPMENT OPEN ENTRAPMENT CLOSE TO PRIMARY/SECONDARY UNIT NOTES: 1)...CONTROL WIRING TYPE - SINGLE PHASE WIRING DIAGRAM GL CONTROL BOARD 24VAC-IN 24VAC-COMMON SOFT OPEN NC "B" LIMIT CONTACTOR B "A" LIMIT CONTACTOR A RPM-IN RPM-SUPPLY RPM GND RADIO COMMAND SHADOW +24 VDC CLOSE STOP SOFT OPEN HARD OPEN INT. GL FIELD WIRING & ADJUSTMENTS MODEL TYPES: HORSEPOWER: VOLTAGE/PHASE: SW420...

SW420 GL BOARD Manual - Page 31

... 1 Capacitor for 115V 1 Capacitor for 230V 1 Terminal Strip 1 Control Board, GL 1 Hinge Bracket 2 Control Box 1 Tie Wrap 14" 2 Aluminum Standoff 1 Nylon Standoff 2... Sprocket, 40B32 1 Motor Pulley 1 Chain #40 Pitch 47 1 Motor, 115V, 1/3 HP 1 Limit Switch N.C. For example: SW420-33-11 (Operator) = K73SW420-33-11 (Electrical Box Kit) Motor Kits To order a motor replacement...

SW420 GL BOARD Manual - Page 34

... 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 INPUT (N.C.) OPEN CLOSE STOP INTERRUPT (SAFETY) LOOP INPUT (N.O.) OBSTRUCTION OPEN EDGE/PHOTO EYE INPUT (N.O.) OBSTRUCTION CLOSE EDGE/PHOTO EYE INPUT (N.O.) RESIDENTIAL RADIO (SINGLE BUTTON) INPUT (N.O.) SW420 Operator 34 SEE OWNERS MANUAL FOR WIRING...

SW420 S3 BOARD Manual - Page 3

... a gate that swings in an arc in a horizontal plane. Primary Voltage Circuit 28 4. Read and follow all instructions. Doc 01-G0610 Rev A Please leave this manual at the job site, preferably with the end user or facility manager. Gear Reducer 30 General Reference Information 30 Features and Program Troubleshooting review 30...

SW420 S3 BOARD Manual - Page 4

... - INDUSTRIAL/LIMITED ACCESS VEHICULAR GATE OPERATOR - PART # SW420 02-041-SP 07-2703 07-2704 40-3505 07-2705 10-2111 11-2754 12-2727 DESCRIPTION Power Unit Stop Button Control Arm Arm ... such as a multi-family housing unit of five or more single family units, hotel, garages, retail store, or other locations not intended to four single family dwelling or a garage or parking area. CLASS 4 A...

SW420 S3 BOARD Manual - Page 10

... Operator Preparation 1 Open the service cover on the operator by changing the two dip switches. The SW420 is provided with (6) holes in this box, both line voltage, and control voltage 24 VAC....out. All the electrical connections for controls that the installer needs are provided here on the electrical box. 2 To service the solid state controller or other components of the chassis for ...

SW420 S3 BOARD Manual - Page 17

.... Doc 01-G0610 Rev A The Close command will work as a single button (Open, Close, Stop). back to open limit, close, reopen. System Features System Features 17 01-G0610F12 Figure 11: SW420 CONTROLLER Visible/Audible Devices ACTIVITY LED Steady indication when gate is at either open or close limit. 1 flash per second when entrapment level one has occurred. Figure 12 SINGLE...

SW420 S3 BOARD Manual - Page 18

... CLOSE SINGLE BUTTON SELECT The single button (programmable) control can be used . A renewed wired input will stop . It will react in time delay to close protection device must be activated to resume the operator back to its normal operation. Either a manual device such as open loops or radio controls. When the gate meets an obstruction, the loss...

SW420 S3 BOARD Manual - Page 24

... function (disabled). 5 4 CLOSE/SINGLE BUTTON OPEN 5 9 SAFETY OPEN Will reverse (close directions. Also, always install the controls where the user has full view of the gate may be used with power wiring. This functions as an wireless open and close ) the gate if active. do not run unless this input. 5 6 WIRELESS OPEN BUTTON Any device can be...