LiftMaster GH GT- Logic 4 Installation Manual - Page 23

WARNING ADJUSTMENT IMPORTANT SAFETY INSTRUCTIONS WARNING TO REDUCE THE RISK OF SEVERE INJURY OR DEATH: 1. READ AND FOLLOW ALL WARNINGS AND INSTRUCTIONS. 2. ALWAYS keep remote controls out of reach of children. NEVER permit children to operate or play with door control push buttons or remote controls. 3. ONLY activate door when it can be seen clearly, it is properly adjusted and there are no obstructions to door travel. 4. Personnel should keep away from a door in motion and ALWAYS keep door in sight until completely closed. NO ONE SHOULD CROSS THE PATH OF THE MOVING DOOR. 5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY OPENED DOOR. 6. If possible, use manual release handle to disengage door ONLY when door is CLOSED. Weak or broken springs or unbalanced door could result in an open door falling rapidly and/or unexpectedly causing SEVERE INJURY or DEATH. 7. NEVER use manual release handle unless doorway is clear of persons and obstructions. 8. After ANY adjustments are made, the entrapment protection device MUST be tested. Failure to adjust the operator properly may cause SEVERE INJURY and DEATH. 9. Entrapment Protection device MUST be tested every month. Failure to adjust the operator properly may cause SEVERE INJURY and DEATH. 10. ALWAYS KEEP DOOR PROPERLY BALANCED. An improperly balanced door may NOT reverse when required and could result in SEVERE INJURY or DEATH. See door manufacturer's owners manual. 11. ALL repairs to cables, spring assemblies and other hardware, ALL of which are under EXTREME tension, MUST be made by a trained door systems technician. 12. ALWAYS disconnect electric power to door operator BEFORE making ANY repairs or removing covers. 13. SAVE THESE INSTRUCTIONS. WARNING WARNING LIMIT ADJUSTMENT CAUTION 1 Begin with the door in the fully closed position to set the CLOSE limit. 2 Depress the retaining plate (1) and move the limit nut to the CLOSE limits (2). NOTE: The Close Limit Switch (CLS) and Safety Limit Switch (SLS) LEDs on the logic board will illuminate when the switches are activated and the power is on. 3 When the retaining plate is released, verify that the retaining plate is fully seated with the notches of the limit nuts. 4AVERTISSEMENT Open the door to the fully open position and set the OPEN limit (3). NOTE: The Open Limit Switch (OLS) LED on the logic board will ATTENTION illuminate when the switches are activated and the power is on. 5 When the retaining plate is released, verify that the retaining plate is fully seated with the notches of the limit nuts. WARNING To avoid SERIOUS personal INJURY or DEATH from electrocution: • Disconnect electric power BEFORE performing ANY adjustments or maintenance. 13 2 AVERTISSEMENT AVERTISSEMENT ADJUSTMENT 23 Adjustment - Limits Adjustment