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Pete, Electronic Engineer
Category: Home Improvement
Satisfied Customers: 17275
Experience:  Over 16 years of experience installing and repairing electronics.
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I have a model M385M 1/2 HP door opener. When we came home

Customer Question

I have a model M385M 1/2 HP door opener. When we came home tonite the door only went as high as the laser beam. I see the green light on one side but don't both sides have the green light? Could the tiny bulb be burned out? It was manufactured in 2009.
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: Just happened tonite.
JA: Do you plan on doing the work yourself?
Customer: If I can and its not too complicated
JA: Anything else we should know to help you best?
Customer: No. It goes up and down but only about 10 to12 inches
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Small Engine Technician about your situation and then connect you two.
Submitted: 1 year ago.
Category: Home Improvement
Expert:  Pete replied 1 year ago.

Hi there,

Have you checked the wiring for the sensors?

Do you have any electronic test equipment available?

Expert:  Pete replied 1 year ago.

I haven't heard back from you yet - please reply and let me know if you still need assistance with this.

Expert:  Pete replied 1 year ago.

Hi, just checking in on your question, do you need any further assistance?

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