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6
TROUBLESHOOTING
If the sending sensor and receiving sensor indicator lights do not glow steadily after installation, check for:
• Photoelectric sensor alignment
• Obstruction
• Power to the operator
• A short in the wires
• Incorrect wiring between the photoelectric sensors and commercial protector interface
• A broken wire (open wire)
If both green indicator lights are fl ashing rapidly (and the invisible light beam path is not obstructed), alignment is required.
If the sending sensor and receiving sensor indicator lights are both glowing steadily but interrupting the photoelectric sensors does
not cause the door to reverse when closing, check both photoelectric sensors to make sure one sensor is the sending and the other
is a receiving sensor.
NOTES:
• Direct sunlight to the sending sensor may prevent the operator from closing even when both the sending and receiving indicator lights
are illuminated. A protective cover shielding both sensors from direct sunlight will resolve this issue.
• Professional service is required if the operator closes the door when the photoelectric sensors are obstructed.
• For non-solid state operators, if the door is stopped in a mid position, activation of the sensors will cause the door to open. This is
similar to activating a sensor edge.
TEST THE COMMERCIAL PROTECTOR SYSTEM
®
1 Press the OPEN button to fully open the door.
2 Press the CLOSE button to close the door.
3 Obstruct the light beam while the door is closing. The door should stop and reverse.
The operator will not close if the indicator light in either sensor is not glowing steadily, alerting you to the fact that the sensor is
misaligned or obstructed.
To reduce the risk of SERIOUS INJURY or DEATH, the Commercial Protector System
®
MUST be properly installed and working.
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