Chamberlain RJO20 RJO20 Owner s Manual - English - Page 25

Adjustment (continued) 5 Test the Power Door Lock 1. With the door fully closed, check to ensure that the power lock bolt is visible protruding through the track. 2. Press the button on the remote control to open the garage door. The power door lock should retract before the door begins to move. 3. Press the button on the remote control to close the garage door. When the door reaches the fully closed position, the power door lock should automatically activate to secure the door.  NOTE: The power door lock can be manually released by sliding the manual release handle to the open position. However, if the power door lock does not function, contact Chamberlain for a replacement. PPoowwereDroDoroLoorckLock MMaannuaulaRleRleaesleease To prevent possible SERIOUS INJURY or DEATH from a falling garage door: • If possible, use emergency release handle to disengage door 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. LLoocckkBoBltolt ""LLoockcekde" d" 6 Test the Emergency Release OPEN THE DOOR MANUALLY: 1. Close the garage door. Slide the manual release handle on power door lock to open before proceeding. 2. Pull down on the emergency release handle until you hear a click. 3. Lift the door manually. RECONNECT THE DOOR TO THE GARAGE DOOR OPENER: 1. Pull down on the emergency release handle until you hear a click. The door will reconnect on the next UP or DOWN operation. Emergency Release Handle 7 Test the Cable Tension Monitor 1. Close the garage door. 2. Pull down on the emergency release handle until you hear a click. 3. Press on the front of the cable tension monitor, you should hear a click. 4. Reconnect the garage to the garage door opener. If there is no click, the roller may be hitting the jamb and not allowing the switch to detect slack in the cable. Make sure the cable tension monitor is mounted flush with the wall and the roller is free from any obstructions. When the cable tension monitor has been activated, the LED on the garage door opener will blink 9 times. 25 Roller LED Cable Tension Monitor