Source: http://www.thriftyfun.com/tf341482.tip.html

Garage Door Not Opening With Remote Control or Mounted Button

"First, be sure you do have power to the garage door opener. If so, this problem is probably a bad printed circuit board inside the main power head. Circuit boards are very easy parts to replace. The entire list of circuit boards available for the Genie openers is found on our site here:" (http://www.imdoors.com/2askkevin1.htm#I%20HAVE%20POWER%20TO%20MY)

The above description generally describes the problem I am having with my garage door opener. However, I realized that if I unplug the opener power cord and replug it to the power outlet in the ceiling, the opener would respond again. But it would fail again later on, i.e a few days later. Any clue for the real issue? If indeed it is the circuit board at fault, how do I replace or trouble shoot the circuit board? I don't have owner's manual, but I believe it is Sears.

hq4000

Source: http://www.thriftyfun.com/tf341482.tip.html

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