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Answer itMy garage door opener closes with the remote but will not open with the remote. It closes only with the hard wired switch with a finger on the button all the way down.
The garage door opener light blinks when trying to close with the remote. The door does not close. It only closes when using the wall switch. I have to keep my finger on to close all the way or the door goes back up. It is a model 139-539100, Craftsman 1/2 hp, bought in 2007.
Asked by duno1 about 12 months ago
(1 expert, 0 community answers)
Expert Answer
Answer by:
Jimmy K. - Personal Solutions Manager,
about 12 months ago
If the garage door will close when you hold the wall control button in, and the remotes only make the door go down a few inches and return, the problem is in the door safety sensor circuit. Look at the led's on the door sensors. If one or both leds is blinking, the sensors are misaligned. If one of the leds is not on, the door sensors need to be replaced.If the led's on both sensors are off the problem is in the logic board or the sensor wiring. You need to look closely at the wiring to the sensors to see if it is broken or pinched by a staple. You can test the wires with an ohm meter for continuity or two wires shorted together. If the wires seem ok, remove the sensor wires removed from the terminals on the logic board and check for voltage across terminals 2 and 3 on the logic board. You should have 4-5 volts dc. If you don't have 4-5 volts between terminals 2 and 3 and the opener is plugged in, the logic board is bad.If you have 4-5 volts at terminals 2 and 3, and the wiring is ok, replace the door sensors.
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