User manual CHAMBERLAIN PD212D INSTALLATION

[. . . ] 845 Larch Avenue Elmhurst, Illinois 60126-1196 www. chamberlain. com GARAGE DOOR OPENER ASSEMBLY/INSTALLATION 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® is connected and properly aligned. Periodic checks of the opener are required to ensure safe operation. [. . . ] NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPEN DOOR. If possible, use emergency release handle to disengage trolley ONLY when garage door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly. NEVER use emergency release handle unless garage doorway is clear of persons and obstructions. NEVER use handle to pull garage door open or closed. If rope knot becomes untied, you could fall. USING YOUR GARAGE DOOR OPENER Your Security® opener and hand-held remote control have been factory-set to a matching code which changes with each use, randomly accessing over 100 billion new codes. Your opener will operate with up to eight Security® remote controls and one Security® Keyless Entry System. If you purchase a new remote, or if you wish to deactivate any remote, follow the instructions in the Programming section. Activate your opener with any of the following: · The hand-held Remote Control: Hold the push button down until the door starts to move. · The wall-mounted Door Control: Hold the push button or bar down until the door starts to move. · The Keyless Entry (See Accessories): If provided with your garage door opener, it must be programmed before use. When the opener is activated (with the safety reversing sensor correctly installed and aligned) 1. If the door has been stopped in a partially open position, it will close. If obstructed while closing, the door will reverse. If the obstruction interrupts the safety sensor beam, the opener lights will blink for five seconds. If one control (force or travel limits) is adjusted, the other control may also need adjustment. After ANY adjustments are made, the safety reversal system MUST be tested. Safety reversal system MUST be tested every month. Garage door MUST reverse on contact with 1-1/2" (3. 8 cm) object (or a 2 x 4 laid flat) on the floor. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED (see page 2). An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH. [. . . ] ("Seller") warrants to the first retail purchaser of this product, for the residence in which this product is originally installed, that it is free from defect in materials and/or workmanship for a period of 1 YEAR from the date of purchase and that the MOTOR is free from defect in materials and/or workmanship for the lifetime of the product. The proper operation of this product is dependent on your compliance with the instructions regarding installation, operation, maintenance and testing. Failure to comply strictly with those instructions will void this limited warranty in its entirety. If, during the limited warranty period, this product appears to contain a defect covered by this limited warranty, call 1-800-528-9131, toll free, before dismantling this product. [. . . ]