Door opener help ! Pls

[cvcman]

Legacy 850 sometimes both sensors are lit and it works fine, other times one is blinking red and the other is off
It will go up but not down unless u hold the button on the wall unit
Wires look ok but not 100 percent
Can I bypass these sensors ?
Is this a bad sensor ?
Thank you

 

[Skyman]

It sounds as though you might only need to tweak the alignment of the sensors.

 

[RoninB4]

^ This (above post) should be the first thing to evaluate. Red lights generally indicate one "eye" is not seeing the other. Clear any obstructions/spiderwebs from the eyes and clean them off.

 

[jack stand]

My stupid "eyes" are up at the 16' ceiling height 4" apart from each other. Never had any trouble with them. No loose infants running around here to get hurt.