Liftmaster Operator Programming

LIFTMASTER GARAGE DOOR OPERATOR ON SITE ASSISTANCE

The following is a brief guide to help assist builders/homeowners with on site Liftmaster operator repairs.  Full instructions are available on the web at www.liftmaster.com.

Remotes and operators must operate on the same frequency- be sure to check operator model number!!

For Homelink instructions, see attached instructions or the web at www.homelink.com

SETTING REMOTES

1. Press and release learn code button (purple, red, green) on the back of the motor head.
2. Press the remote for that door 3-4 times until the door begins to move.
3. Repeat steps 1 and 2 to program additional remotes to additional doors
4. If programming a multiple button remote to additional doors, repeat steps 1 and 2 for the additional buttons.

SETTING KEYPADS

1. Press and release learn code button (purple, red, green) on the back of the motor head.
2. Within a few seconds, Press your personalized four digit code on the keypad and then press and release the “enter” key 3-4 times until the door begins to move. (be sure not to block the sensor eye beam while setting the keypad or set code prior to mounting keypad.
3. Repeat steps 1 and 2 for additional doors. (one keypad can be used on several doors)

GARAGE DOOR OPENS BY ITSELF OR 1 REMOTE OPENING MULTIPLE DOORS

1. Ensure all remotes are off.
2. Clear memory by pressing and holding the learn code button (green, red, purple) on each motor head for 10 seconds.
3. Reset all remotes/keypads per above.

** Most likely, this is a problem with the sensor eyes**

1. Ensure sensor eye wiring contacts, where spliced into pre-wire, are connected properly.  If not, splice properly.
2. Check that the 2 sensor eyes mounted on the track, are:
3. If sensor is illuminated weakly or flashing, adjust sensor eye by moving slightly up, down, in, or, out until it becomes solid.
4. If sensor eyes will not illuminate, more detailed maintenance is required.
5. Mounted at the same height on both sides
6. Light not flashing or very faint, and there are no obstructions blocking the sensor beam such as spider webs, garbage cans, paint, etc.  Each sensor eye should have a small fluorescent light that is illuminated.

1. Ensure outlet has power.
2. Sometimes, the operator will overheat or sustain a power surge. If this occurs, unplug the operator for 10 minutes and plug back in. If the operator does not work after this, further detailed maintenance is required.