Chamberlain Security+ 3900PLD User Manual

Owner’s Manual Please read this manual and the enclosed safety materials carefully! Fasten the manual near the door after installation. The door

INSTALLATION STEP 5Install the Single Button Control StationTo prevent possible SERIOUS INJURY or DEATH from electrocution:• Be sure power is not con

11INSTALLATION STEP 6Install the Light (Not Provided)The remote light (operator light) is designed to plug directly into a standard 120V outlet.1. In

12INSTALLATION STEP 7Electrical RequirementsTo avoid installation difficulties, do not run the operator at this time.To reduce the risk of electric sh

13INSTALLATION STEP 8Mount the Standby Power Unit (SPU) (Not Provided)If the optional 475LM Standby Power Unit is part of this installation it should

14Invisible Light BeamProtection AreaSafety Reversing Sensor6" (15 cm) max. above floorSafety Reversing Sensor6" (15 cm) max. above floorFac

15DOOR TRACK MOUNT (RIGHT SIDE)IndicatorLightLensLip SensorBracketDoorTra ckFLOOR MOUNT (RIGHT SIDE)WALL MOUNT (RIGHT SIDE)IndicatorLightSensorBracket

16Invisible Light Beam Protection Area S ensor Sensor Safety Reversing Sensor Bell Wire Bell Wire Motor unit Safety Reversing Sensor Quick-Connect Ter

17To prevent damage to vehicles, be sure fully open door provides adequate clearance.BLACKPURPLEPush and holduntil the door is at desired UPpositionFi

18ADJUSTMENT STEP 2Setting the ForceThe force setting button is located on the front panel. The force setting measures the amount of force required to

19ADJUSTMENT STEP 3Test the Safety Reversal SystemTEST• With the door fully open, place a 1-1/2" (3.8 cm) board (or a 2x4 laid flat) on the floo

2INTRODUCTIONSafety Symbol Reviewand Signal Word ReviewWhen you see these Safety Symbols and Signal Words on the following pages, they will alert you

20ADJUSTMENT STEP 5Test Cable Tension MonitorIf your cable tension monitor has been activated the Indicator Light will blink 9 times. See (Figure 1) p

21OPERATION Using Your Door OperatorPress and hold the push button on the Single Button Control Station until the door starts to move.When the operato

22CARE OF YOUR OPERATORMAINTENANCE SCHEDULEOnce a Month• Manually operate door. If it is unbalanced or binding, call a trained door systems technicia

23HAVING A PROBLEM? (TROUBLESHOOTING)1. The operator doesn't operate from either the Door Control or the remote control:• Does the operator hav

24Having a Problem? (Continued)11. The operator motor hums briefly, then won't work:• The door springs may be broken. See above.12. The operat

25Your garage door operator is programmed with self-diagnostic capabilities. The “Learn” button/diagnostic LED will flash a number of times then pause

26*3-Button RemoteIf provided with your door operator, the large button is factory programmed to operate it. Additional buttons on any Security✚® 3-Bu

271. Press and release the purple “learn” button on motor unit. The learn indicator light will glow steadily for 30 seconds.2. Within 30 seconds, en

281. Press the “learn button” on light until LED comes ON.2. Activate the door using the Single Button Control Station (or hand-held remote control

29NOTICE81234567Installation PartsREPAIR PARTSKEY PART NO. NO. DESCRIPTION1 APBS 1 Single button control station2 41A4582 Emergency release rope &

Safety Reversing SensorSafetyReversingSensorTorsion SpringMotor unitWall-mounted Single Button Control StationAccess DoorGap between floor and bottom

30ACCESSORIES 41A5281377LMExtension Brackets:(Optional) For safety reversing sensor installation onto the wall or floor.Keyless Entry with Security✚®:

31NOTES

LIFTMASTER® SERVICE IS ON CALLOUR LARGE SERVICE ORGANIZATION SPANS AMERICAINSTALLATION AND SERVICE INFORMATION IS AS NEAR AS YOUR TELEPHONE.SIMPLY DIA

4Preparing your Door Before you begin:• Disable locks. • Remove any ropes connected to door. • Complete the following test to make sure your door is

52-Conductor Bell WireWhite & White/RedSafety LabelsandLiteratureMounting BracketThe Protector System®(2) Safety Reversing Sensors(1 Sending Eye a

ASSEMBLY STEP 1Attach the Collar to the OperatorTo avoid installation difficulties, do not run the door operator until instructed to do so.• Loosen t

7INSTALLATIONINSTALLATION STEP 1Position the OperatorNOTE: For additional mounting options seeaccessories page.1. Close the door completely.2. Slid

NOTICEOverhandKnotEmergencyRelease HandleOverhandKnotRopeMotor UnitEmergency Release Cable To prevent possible SERIOUS INJURY or DEATH from a falling

WHT/GRNTo insert or release wire, push in tab with screwdriver tipCable Tension Monitor7/16" (11mm)Strip wire 7/16" (11mm)WHT/GRNCable Tensi