Clear any obstruction from between the safety
sensors. Loose leaves, trash, and dirt on the lens of the sensor
itself are all examples of things that can obstruct the sensor's
signal. Check each sensor for a steady
glowing indicator light. If both indicator lights are on, or if one
indicator light is flickering, the sensors may be slightly
misaligned. To check for misalignment; obstruct the beam of the
sensors so that they cannot see each other. When the beam is
blocked, the indicator light on one of the two sensors will
temporarily go out. This is the receiving sensor. Remove the
obstruction and loosen the wing nut on the back of the receiving
sensor. Adjust the receiving sensor until the green indicator light
goes out, if not already out, then realign until the green light is
bright and steady, then retighten the wing nut. This usually takes a
couple of attempts before it is back in alignment.
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