LiftMaster TDC Installation Manual - English French Spanish - Page 27

Testing Apply power to the operator. When power is applied to the operator, the LCD display will illuminate, relay A, relay B, and the Timer Defeat. Test all Entrapment Protection Devices It is the responsibility of the specifier, purchaser, installer, and property owner to ensure that, on completion, the installation of the entrapment protection devices comply with all relevant federal, state, and local codes and regulations. TEST THE MONITORED LIGHT CURTAIN (IF APPLICABLE) WARNING To avoid SERIOUS personal INJURY or DEATH: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. • ALL maintenance MUST be performed by an Authorized Service Technician. 1. With the door in the full open position, press the close button. 2. While the door is closing, obstruct any of the light beams on the Monitored Light Curtain (the green LED on the Monitored Light Curtain Receiver will blink when the light beam is obstructed). The door should stop and reverse. TEST THE PHOTOELECTRIC SENSORS (IF APPLICABLE) 1. Open the door. 2. Place an obstruction in the path of the photoelectric sensors. The LMEP LED will blink on the logic board. 3. Press and hold the CLOSE button. The door should not close. 4. Remove the obstruction. 5. Press and hold the CLOSE button. Door should close. If the LMEP is activated while closing, the door should reverse. TEST THE EDGE SENSORS (IF APPLICABLE) 1. Open the door 2. Place an obstruction in the path of the door. 3. Press and release the CLOSE button. The door should stop and/or reverse. 4. Remove the obstruction. Press and release the CLOSE button. The door should fully close. Test Wall Controller Menu Access 1. Press OPEN button. (The door should move in the open direction.) 2. Press STOP button. (The door should stop.) 3. Press and hold the CLOSE button. (The door should move in the close direction.) 4. Release CLOSE button. Door should stop if in C2 or D1 mode. Door will reverse to full open position in E2 mode. The door should continue closing in all other modes. 5. Press STOP button. (The door should stop.) Test Limit Adjustment 1. Press OPEN button. (The door should open.) 2. Allow the door to fully open. 3. Press and hold the CLOSE button. (The door should close.) 4. Allow the door to fully close. 5. If the limits are not set properly, remove power and adjust limits (see "Set Limits" on page 30). NOTE: Door travel should stop when the OPEN or CLOSE limits are reached. If door drifting is occurring, spring tension on the door. 27