Manuals / Brands / Household Appliance / Garage Door Opener / Chamberlain / Household Appliance / Garage Door Opener

Chamberlain 1000SDC-R, 2000SDC-R, 2000SDC-R, 1000SDC-R Having a Problem?

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1. Does the opener have electric power? Plug a lamp into the outlet. If it doesn't light, check the
fuse box or the circuit breaker. (Some outlets are controlled by a wall switch.)
2. Have you disabled all door locks? Review installation instruction warnings on Page 7.
3. Is there a build-up of ice or snow under the door? The door may be frozen to the ground.
Remove any restriction.
4. The garage door spring may be broken. Have it replaced.
5. Repeated operation may have tripped the overload protector in the motor. Wait
15 minutes. Try again.
Having a Problem?

Situation Probable Cause & Solution

The opener doesn't
operate from either
the door control or
the remote control:
Opener operates from
the remote control, but
not from the door
control:
1. Is the door control push bar lit? If not, Remove the bell wire from the opener terminal
screws. Short the red and white terminals by touching both terminals at the same time with
a piece of wire. If the opener runs, check for a faulty wire connection at the door control, a
short under the staples, or a broken wire.
2. Are the wiring connections correct? Review Installation Step 7, page 17.
The door operates from
the door control, but not
from the remote
control:
1. If your model has the Lock feature, turn it off.
2. Is the wall push button flashing? Your opener needs to re-learn a remote control code.
Refer to instructions on the opener panel.
3. Does the battery test light glow when the remote control push button is pressed? If not,
replace the battery.
4. Program the receiver to match the remote control code.
5. Repeat the receiver programming procedure with all remote controls.
The remote control has
short range:
The garage door
opens and closes by
itself:
1. Be sure that all remote control push buttons and battery indicator lights are off.
2. Remove the bell wire from the door control terminals and operate from the remote control
only. If this solves the problem, the door control is faulty (replace), or there is an
intermittent short on the wire between the door control and the opener.
The door doesn't open
completely: 1. If the door has been working properly but now doesn't open all the way, increase the up
force. See page 25.
2. Is something obstructing the door? Remove the obstruction or repair the door.
3. If door opens at least 5 feet, the travel limits may need to be increased. One turn equals
2 inches of travel. See page 24.
Repeat the safety reverse test after the adjustment is complete.
The door stops but
doesn't close
completely:
Review the travel limits adjustment procedures on page 24.
Repeat the safety reverse test after any adjustment of door arm length, close force or down
limit.
30
1. Check the battery test light. If the light is dim, replace the battery.
2. Change the location of the remote control in your car.
3. Check to be sure the antenna on the right side panel of opener extends fully.
4. Some installations may have shorter range due to a metal door, foil backed insulation, or
metal garage siding.
Opener noise is
disturbing in living
quarters of home:
If operational noise is a problem because of proximity of the opener to the living quarters, the
Vibration Isolator Kit 41A3263 can be installed. This kit was designed to minimize vibration
to the house and is easy to install.
Contents
Main For Residential Use Only Garage Door Opener Owners Manual Contents Start by reviewing these important safety alert symbols: Mechanical Electrical WARNING CAUTIONCAUTION Safety Information and Precautions Hardware Supplied Carton Inventory SECTIONAL Door or ONE-PIECE Door with Track Installation FINISHED CEILING Support bracket & fastening hardware is required. See page 16. ONE-PIECE Door Without Track Installation ASSEMBLY STEP 1 Fasten the Rail To the Power Unit ASSEMBLY STEP 2 Install the Trolley Assembly Section: Pages 6 - 7 IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of severe injury or death to persons: WARNING WARNING Proceed to Step 2, page 10. ONE PIECE Door with Track Installation Section: Pages 8 23 Installation Step 1 Determine Header Bracket Location Proceed to Step 2, page 10. ONE-PIECE Door Without Track Read the Safety Instructions on page 8. They also apply to doors without tracks. Fastening the Header Bracket to the Wall Fastening the Header Bracket to the Ceiling Installation Step 2 Install the Header Bracket Installation Step 3 Attach the Rail to the Header Bracket The Protector System Installation Step 4 Install the Safety Reversing Sensor (Receiving and Sending Eyes) Figure 3 Installation Step 4 Install the Safety Reversing Sensor B Figure 5 A CAUTION Installation Step 6 Hang the Opener Installation Step 7 Install the Door Control and Connect all Wiring Figure 3 WARNINGWARNING Figure 4 Figure 1 Figure 2 Installation Step 8 Electrical Requirements Installation Step 9 Complete Safety Reversing Sensor Installation Installation Step 10 Install the Lights and Lens Installation Step 11 Attach the Manual Release Rope and Handle Installation Step 12 Fasten Door Bracket SECTIONAL Door Installation Procedure All ONE-PIECE Door Installation Procedure Hardware Shown Actual Size Installation Step 13 Connect Door Arm to Trolley All ONE-PIECE Doors Adjustment Procedures for One-Piece Doors Adjustment Step 1 Adjust the UP and DOWN Limits How and When to Adjust the Limits Adjustment Section: Pages 24 26 Adjustment Step 2 Adjust the Force How and When to Adjust the Forces Adjustment Step 4 Test the Safety Reverse System Adjustment Step 3 Test The Protector System Care of Your Opener IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of severe injury or death to persons: Maintenance Schedule SAVE THESE INSTRUCTIONS WARNING WARNING only Operation of Your Opener Operation of the Door Controls: Page Having a Problem? Situation Probable Cause & Solution Having a Problem? (continued) Situation Probable Cause & Solution Page Repair Parts Accessories Available For Your Opener To Add the Keyless Entry Index LIFT-MASTER SERVICE IS ON CALL 1-800-654-4736 HOW TO ORDER REPAIR PARTS 1-800-654-4736 LIFT-MASTER GARAGE DOOR OPENER ONE-YEAR LIMITED WARRANTY