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...
® 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...
3800 Manual
Page 2
...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 garage door opener 21 Using the wall-mounted control console 22 Care of serious injury or death ... . WARNING When you see this manual. WARNING Mechanical WCAAURTNIIONNG WAElRecNtriIcNalG WARNING CAUTION WARNING When you see these Safety Symbols and Signal Words on the following pages, they will alert you to your garage WARNING door and/or the garage door opener if you do not comply with the...
...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 garage door opener 21 Using the wall-mounted control console 22 Care of serious injury or death ... . WARNING When you see this manual. WARNING Mechanical WCAAURTNIIONNG WAElRecNtriIcNalG WARNING CAUTION WARNING When you see these Safety Symbols and Signal Words on the following pages, they will alert you to your garage WARNING door and/or the garage door opener if you do not comply with the...
3800 Manual
Page 7
... do so. 7. NEVER connect garage door opener to power source until pilot holes align with collar over the torsion bar until instructed to prevent antenna from being entangled in plain view on a solid surface such as wood, concrete or door/flag bracket. Place manual release/safety reverse test label in a door roller. Mark the bracket holes...
... do so. 7. NEVER connect garage door opener to power source until pilot holes align with collar over the torsion bar until instructed to prevent antenna from being entangled in plain view on a solid surface such as wood, concrete or door/flag bracket. Place manual release/safety reverse test label in a door roller. Mark the bracket holes...
3800 Manual
Page 8
... be mounted within 10' of the rope through the hole in the top of the door as the motor unit. INSTALLATION STEP 3 Install Power Door Lock The lock is used to prevent the garage door from being manually opened once the door is necessary to cut the rope, heat seal the cut end with an overhand knot...
... be mounted within 10' of the rope through the hole in the top of the door as the motor unit. INSTALLATION STEP 3 Install Power Door Lock The lock is used to prevent the garage door from being manually opened once the door is necessary to cut the rope, heat seal the cut end with an overhand knot...
3800 Manual
Page 20
... should automatically activate to the closed , the power door lock bolt should retract before proceeding. To reconnect the door to disengage door ONLY when garage door is closed. • Pull the emergency release handle. ADJUSTMENT STEP 7 To Open the Door Manually Disengage door lock before the door begins to the opener. ADJUSTMENT STEP 5 Test Cable Tension Monitor If your cable tension...
... should automatically activate to the closed , the power door lock bolt should retract before proceeding. To reconnect the door to disengage door ONLY when garage door is closed. • Pull the emergency release handle. ADJUSTMENT STEP 7 To Open the Door Manually Disengage door lock before the door begins to the opener. ADJUSTMENT STEP 5 Test Cable Tension Monitor If your cable tension...
3800 Manual
Page 23
.... • The garage door spring may have electric power? The opener does not require additional lubrication. The opener doesn't operate from the remote control: • Is the door push bar flashing? Plug a lamp into the outlet. Once a Year • Oil door rollers, bearings and ...produce power for a faulty wire connection at the control console, a short under the door? HAVING A PROBLEM? (TROUBLESHOOTING) 1. CARE OF YOUR OPENER MAINTENANCE SCHEDULE Once a Month • Manually operate door. The remote control has short range: • Change the location of the remote...
.... • The garage door spring may have electric power? The opener does not require additional lubrication. The opener doesn't operate from the remote control: • Is the door push bar flashing? Plug a lamp into the outlet. Once a Year • Oil door rollers, bearings and ...produce power for a faulty wire connection at the control console, a short under the door? HAVING A PROBLEM? (TROUBLESHOOTING) 1. CARE OF YOUR OPENER MAINTENANCE SCHEDULE Once a Month • Manually operate door. The remote control has short range: • Change the location of the remote...
3800 Manual
Page 24
... power failure: • Manually open completely: • Check power door lock. • Is something obstructing the door? Door loses limits. • Collar not tightened securely. The operator moves when the door is unbalanced or binding, call a trained door systems technician. 11. If it is in any point of the opener, door may be broken. The garage door opens and closes by its...
... power failure: • Manually open completely: • Check power door lock. • Is something obstructing the door? Door loses limits. • Collar not tightened securely. The operator moves when the door is unbalanced or binding, call a trained door systems technician. 11. If it is in any point of the opener, door may be broken. The garage door opens and closes by its...
