3800 Manual
Page 1
® GARAGE DOOR OPENER Model 3800 For Residential Sectional Doors With Torsion Assemblies Only Com Details The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com patible with See Page 13 for Owner's Manual ■ Please read this manual and the enclosed ...safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are...
® GARAGE DOOR OPENER Model 3800 For Residential Sectional Doors With Torsion Assemblies Only Com Details The Chamberlain Group, Inc. 845 Larch Avenue Elmhurst, Illinois 60126-1196 www.liftmaster.com patible with See Page 13 for Owner's Manual ■ Please read this manual and the enclosed ...safety materials carefully! ■ Fasten the manual near the garage door after installation. ■ The door WILL NOT CLOSE unless The Protector System® and cable tension monitor are...
3800 Manual
Page 2
... Installation safety instructions 7 Position the opener 7 Attach the emergency release rope and handle 8 Install the power door lock 8 Attach the cable tension monitor (Required 9 Install the control console 10 Install remote light 11 Electrical requirements 12 Mount the battery backup unit (BBU 13 Install The Protector...Program the travel limits 17 Setting the force 18 Test the safety reversal system 19 Test The Protector System 19 Test cable tension monitor 20 Test power door lock 20 To open door manually 20 Operation 21-25 Operation safety instructions 21 Using your ...
... Installation safety instructions 7 Position the opener 7 Attach the emergency release rope and handle 8 Install the power door lock 8 Attach the cable tension monitor (Required 9 Install the control console 10 Install remote light 11 Electrical requirements 12 Mount the battery backup unit (BBU 13 Install The Protector...Program the travel limits 17 Setting the force 18 Test the safety reversal system 19 Test The Protector System 19 Test cable tension monitor 20 Test power door lock 20 To open door manually 20 Operation 21-25 Operation safety instructions 21 Using your ...
3800 Manual
Page 3
... of 2-1/2" (6.4 cm) between the side garage wall (or obstruction) and the end of torsion bar. • The torsion bar must not exceed 1/4" (6 mm). 3 Motor unit Cable Tension Monitor Power Door Lock Remote Light Torsion Spring Drum Wall-mounted Access Door Control Console Safety Reversing Sensor Safety Reversing Gap between the ceiling and the...
... of 2-1/2" (6.4 cm) between the side garage wall (or obstruction) and the end of torsion bar. • The torsion bar must not exceed 1/4" (6 mm). 3 Motor unit Cable Tension Monitor Power Door Lock Remote Light Torsion Spring Drum Wall-mounted Access Door Control Console Safety Reversing Sensor Safety Reversing Gap between the ceiling and the...
3800 Manual
Page 5
...; 3-Button Remote Control (1) Remote Light with Hardware Bag 2-Conductor Bell Wire White & White/Red Power Door Lock 2-Conductor White & White/Black Bell Wire with Connector Cable Tension Monitor with 2-Conductor Green/White Bell Wires Mounting Bracket Motor Unit Safety Sensor Bracket (2) Collar with Screws The Protector System® (2) Safety Reversing Sensors (1 Sending Eye...
...; 3-Button Remote Control (1) Remote Light with Hardware Bag 2-Conductor Bell Wire White & White/Red Power Door Lock 2-Conductor White & White/Black Bell Wire with Connector Cable Tension Monitor with 2-Conductor Green/White Bell Wires Mounting Bracket Motor Unit Safety Sensor Bracket (2) Collar with Screws The Protector System® (2) Safety Reversing Sensors (1 Sending Eye...
3800 Manual
Page 9
... roller is not important) (Figure 3). HARDWARE SHOWN ACTUAL SIZE Figure 1 Opener Torsion Bar Drum Cable 2"-6" (5 cm15 cm) Cable Tension Monitor 1/8"-1/4" (3 mm-6 mm) Cable Tension Monitor Roller With Door Closed Preferred Orientation Figure 2 Wall Drum Cable 3/4" Min. (18 mm Min.) Figure 3 WHT/GRN WHT/GRN Cable Tension Monitor 7/16" (11mm) Strip wire 7/16" (11mm) To release wire, push in the hardware bag...
... roller is not important) (Figure 3). HARDWARE SHOWN ACTUAL SIZE Figure 1 Opener Torsion Bar Drum Cable 2"-6" (5 cm15 cm) Cable Tension Monitor 1/8"-1/4" (3 mm-6 mm) Cable Tension Monitor Roller With Door Closed Preferred Orientation Figure 2 Wall Drum Cable 3/4" Min. (18 mm Min.) Figure 3 WHT/GRN WHT/GRN Cable Tension Monitor 7/16" (11mm) Strip wire 7/16" (11mm) To release wire, push in the hardware bag...
3800 Manual
Page 20
...; Reconnect the door to the opener, pull down the emergency release handle straight down on the next UP or DOWN operation. ADJUSTMENT STEP 5 Test Cable Tension Monitor If your cable tension monitor has been activated the LED will reconnect on the emergency release handle and lift the door manually. The door will blink 9 times. Test the...
...; Reconnect the door to the opener, pull down the emergency release handle straight down on the next UP or DOWN operation. ADJUSTMENT STEP 5 Test Cable Tension Monitor If your cable tension monitor has been activated the LED will reconnect on the emergency release handle and lift the door manually. The door will blink 9 times. Test the...
3800 Manual
Page 21
... the incandescent light bulbs will open. 2. Using Your Garage Door Opener Your LiftMaster Security✚® opener and hand-held remote control have been factory programmed to a matching code which are under EXTREME tension, MUST be tested every month. See Programming. If closing , the door ... the door will close from a hand-held remote. If the sensor is not installed, or is activated (with the safety reversing sensor and cable tension monitor correctly installed and aligned): 1. Garage door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on when...
... the incandescent light bulbs will open. 2. Using Your Garage Door Opener Your LiftMaster Security✚® opener and hand-held remote control have been factory programmed to a matching code which are under EXTREME tension, MUST be tested every month. See Programming. If closing , the door ... the door will close from a hand-held remote. If the sensor is not installed, or is activated (with the safety reversing sensor and cable tension monitor correctly installed and aligned): 1. Garage door MUST reverse on contact with 1-1/2" (3.8 cm) high object (or a 2x4 laid flat) on when...
3800 Manual
Page 24
...lights don't blink: • Check cable tension monitor. • Is something obstructing the door? The opener motor hums briefly, then won 't operate due to disconnect the door. Power lock makes noise when operating. • Call Liftmaster® dealer for no apparent reason and... Repeat safety reverse test after adjustments. 9. The opener strains to 20 times without power. 13. Open and close : • Check cable tension monitor. • If the opener lights blink, check the safety reversing sensor. A properly balanced door will wear prematurely. • Check to...
...lights don't blink: • Check cable tension monitor. • Is something obstructing the door? The opener motor hums briefly, then won 't operate due to disconnect the door. Power lock makes noise when operating. • Call Liftmaster® dealer for no apparent reason and... Repeat safety reverse test after adjustments. 9. The opener strains to 20 times without power. 13. Open and close : • Check cable tension monitor. • If the opener lights blink, check the safety reversing sensor. A properly balanced door will wear prematurely. • Check to...
3800 Manual
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...eye. • Align sensors, if the indicator lights glow replace the wires for possible door obstructions and remove. • Check that the cable tension monitor is stuck on door control. • Inspect door control/wires for a short (staple in wire), replace as needed . • ...motor unit doesn't operate, motor unit is not lit on stop bolt = Motor unit hums briefly; Try to reset. 9 FLASHES Cable tension monitor reversal. Installed Safety Reversing Sensor Your garage door opener is firmly secured to motor unit using shortened wires. Unplug to operate motor unit,...
...eye. • Align sensors, if the indicator lights glow replace the wires for possible door obstructions and remove. • Check that the cable tension monitor is stuck on door control. • Inspect door control/wires for a short (staple in wire), replace as needed . • ...motor unit doesn't operate, motor unit is not lit on stop bolt = Motor unit hums briefly; Try to reset. 9 FLASHES Cable tension monitor reversal. Installed Safety Reversing Sensor Your garage door opener is firmly secured to motor unit using shortened wires. Unplug to operate motor unit,...
3800 Manual
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Spanish 29 REPAIR PARTS Installation Parts LOCK LIGHT 13 4 5 2 NOTICE 6 8 7 10 12 13 14 11 9 KEY PART NO. white & white/red Cable tension monitor Mounting bracket Safety sensor kit (receiving and sending eyes) with 3' (.9 m) 2-conductor bell wire attached KEY NO. 10 11 12 13 14 PART NO. 41B6299 41A6102 ...
Spanish 29 REPAIR PARTS Installation Parts LOCK LIGHT 13 4 5 2 NOTICE 6 8 7 10 12 13 14 11 9 KEY PART NO. white & white/red Cable tension monitor Mounting bracket Safety sensor kit (receiving and sending eyes) with 3' (.9 m) 2-conductor bell wire attached KEY NO. 10 11 12 13 14 PART NO. 41B6299 41A6102 ...
