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27
Adjustments
3 Test the Safety Reversal System
Without a properly installed safety reversal system, persons (particularly small children) could be SERIOUSLY
INJURED or KILLED by a closing door.
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Safety reversal system MUST be tested every month.
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After ANY adjustments are made, the safety reversal system MUST be tested. Door MUST reverse on
contact with 1-1/2" (3.8 cm) high object (or 2x4 laid flat) on the floor.
1. With the door fully open, place a 1-1/2 inch (3.8 cm) board (or a 2x4 laid flat) on the floor, centered under
the door.
2. Press the push button on the door control. The door MUST reverse when it makes contact with the board.
If the door stops but does not reverse:
1. Review the installation instructions provided to insure all steps were followed;
2. Repeat Program the Travel (see Adjustment Step 1);
3. Repeat the Safety Reversal test.
If the test continues to fail, call a trained door systems technician.
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4 Test the Protector System
®
or LC36M/LC36M41 Monitored Light
Curtain
Without a properly installed safety reversing sensor, persons (particularly small children) could be SERIOUSLY
INJURED or KILLED by a closing door.
1. Open the door. Place the operator carton in the path of the door.
2. Press the push button on the door control to close the door. The door will not move more than an inch (2.5
cm).
The door operator will not close from a remote control if the LED in either safety reversing sensor is off (alerting you to
the fact that the sensor is misaligned or obstructed). If the door operator closes the door when the safety reversing
sensor is obstructed (and the sensors are no more than 6inches [15 cm] above the floor), call for a trained door
systems technician.
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