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19
TEST THE SAFETY REVERSE SYSTEM
The safety reverse system test is important. Garage door must reverse on
contact with a 40 mm obstacle laid flat on the floor. Failure to properly
adjust opener may result in serious personal injury from a closing garage
door. Repeat test once a month and adjust as needed.
Procedure: With door opened place a 40 mm obstacle (1) laid flat on the floor under the garage door. Operate the door in
the down direction. The door must reverse off the obstacle. If the door stops on the obstacle, remove obstacle and repeat
Program the Limits and Force Steps, then repeat safety reverse test.
When the door reverses off the 40 mm obstacle, remove the obstacle and run the opener through a complete travel cycle.
Door must not reverse in closed position. If it does, repeat Program the Limits and Force then repeat safety reverse test.
1
40 mm high
12
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