To Next PageTo Next PageWhy does my Overhead door Legacy 850 start by itself?
If your Overhead Door garage door opener starts for no reason, the button might be stuck on the wall control or remote. If a remote was lost or stolen, erase all remotes from the powerhead memory and program new remotes.
What to do if my Overhead door Legacy 850 Garage Door Opener runs but the door doesn't move?
If your Overhead Door Garage Door Opener runs, but the door doesn't move, make sure the carriage is engaged with the chain/belt turnbuckle. Also, check to make sure the chain/belt is not broken or off its pulley.
What to do if my Overhead door Legacy 850 Garage Door Opener remote has less than 25 feet operating range or no operation?
If your Overhead Door Garage Door Opener remote has a short operating range, try these steps: relocate the remote inside your car and point it at the garage door. Replace the remote battery. Reposition the door opener antenna and eliminate possible competing signals like radio interference. Note that LED bulbs may interfere with the remote signal.
What to do if my Overhead Door Garage Door Opener works from the wall control, but NOT from the remote?
If your Overhead Door Garage Door Opener operates from the wall control but not the remote, check all remotes, replace the remote battery, and program the remotes to the powerhead.
How to troubleshoot Overhead door Legacy 850 that does NOT operate when wall control is pressed?
If your Overhead Door Garage Door Opener doesn't respond when the wall control is pressed, first turn Sure-Lock™ OFF. Check the power source by plugging a lamp into the outlet used for the powerhead; if the lamp works, the power source is OK. If not, check the fuse or circuit breaker. If power is OK, check the connections at the powerhead terminals and at the wall console. Look for reversed, broken, or cut wires, as staples can cut insulation and short wires. Repair or replace any damaged wires.
How to troubleshoot Overhead door Legacy 850 that does not run from wall console?
If your Overhead Door Garage Door Opener does NOT run from the wall console: * Turn Sure-Lock™ OFF. * Check the power source by plugging a lamp into the outlet used for the powerhead. If the lamp works, the power source is OK. If not, check the fuse or circuit breaker. * If power is OK, check the connections at the powerhead terminals and at the wall console. * Check for reversed, broken, or cut wires. Staples can cut insulation and short wires; repair or replace them if needed.
How to fix noisy operation of Overhead door Legacy 850 Garage Door Opener?
To reduce noise from your Overhead Door Garage Door Opener, ensure all door fasteners are tight. Make sure the garage door is in good repair, properly lubricated, and balanced. Also, ensure the opener itself is in good repair.
What to do if my Overhead door Legacy 850 Garage Door Opener starts down, then stops and goes back up?
If this is a new Overhead Door Garage Door Opener installation, check the door arm position and ensure only the Safe-T-Beams that came with the opener are installed. Also, verify that the limits are properly set. Check if the Safe-T-Beam red LED is flashing, and inspect the Safe-T-Beam system for beam obstruction or misalignment of lenses. Ensure the garage door isn't binding. If an operational problem exists and the opener won't close, you can force it to close by pressing and holding the wall control button until the door is completely closed. Also, check for interference from adjacent Safe-T-Beam units. If problems persist, contact Overhead Door at 1-800-929-3667.
Why will my Overhead door Legacy 850 Garage Door Opener only run closed?
If your Overhead Door garage door will only run closed, try turning Sure-Lock™ OFF. Also, check if the limits are properly set. Inspect the door balance, condition, and door spring. Finally, check the opening “FORCE” control.
How to fix my Overhead door Legacy 850 Garage Door Opener when it doesn't respond to the wall control?
If your Overhead Door Garage Door Opener doesn't operate when the wall control is pressed: Turn Sure-Lock™ OFF. Check the power source by plugging a lamp into the outlet used for the powerhead. If the lamp works, the power source is OK; if not, check the fuse or circuit breaker. Check the connections at the powerhead terminals and at the wall console. Also, check for reversed, broken, or cut wires, and repair or replace them as needed.
General| Motor Power | 1/2 HP |
|---|---|
| CodeDodger | Yes |
| Keyless Entry | Optional |
| Battery Backup | No |
| Drive Type | Chain |
| Door Compatibility | 7 ft standard |
| Voltage | 120V |
| Security | CodeDodger Access Security System |
| Motor Type | AC |
| Remote Controls | 3-button remote included |
| Warranty | Limited Lifetime Warranty on motor |
| Safety Features | Safe-T-Beam® System |
Lists potential hazards, their effects, and prevention measures for moving doors, electrical shock, and spring tension.
Details critical safety instructions for installing the garage door opener, emphasizing proper grounding and avoiding improper setup.
Explains Safe-T-Beam, Door Detect, and Safe-T-Reverse systems for safe door operation.
Step-by-step instructions for setting the down travel limit for the opener.
Step-by-step instructions for setting the up travel limit for the opener.
Explains force settings, performing the contact reverse test, and adjustments.
Instructions for programming additional remote controls and testing them.
Covers issues like no operation, door movement, remote problems, and stopping/reversing faults.
Addresses doors stopping mid-cycle, Safe-T-Beam malfunctions, and doors only opening/closing.
Details monthly testing of reversing features, force settings, and door balance.
