Thanks for contacting
. I understand how frustrating it is having trouble with your garage door opener not working properly. We are here to help. Based on the symptom, I suspect the logic board is bad. The sending sensor (amber light) should be on at all times. The sensors do not have to be aligned, for the sending sensor to work. To verify if the problem is the sensor or the logic board, measure for 5 vdc between terminals 2 and 3 on the logic board with a multimeter. If the voltage is present, the sensors are bad. Zero volts indicates a bad logic board. I hope this helps.
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