- Safety Reverse Test for opener. Repeat the test as per Installation Instruction (see opener's Installation Instruction in Owner's Manual), make adjustment if necessary.
- Door manual operation test. Release the door from Automatic Mode to Manual Operation Mode by disengaging the Manual Release Handle ONLY WHEN THE DOOR IS IN A FULLY CLOSED POSITION (see opener's Installation Instruction in Owner's Manual for details). Manually open and close door, check to ensure door is not too heavy (should be less than 15 kg operating force in general), unbalanced or binding, due to loss of spring tension or any other reason. Call for professional garage door service if necessary.
- Check door Open and Close (Limit) position. Check and make sure door can be fully opened and closed at the desired open and close position, make adjustments if necessary.
