Questions & Answers for: test garage door opener logic

garage door opener Our garage door opener for the past year will work and sometimes not, now mostly not. If you hit the unit hard the light pops on. other times no light no power, power to unit is has

opener will not work after a recent power outage, the green light on it is flashing fast. Any Suggestions. Actually it sounds like the vacation lock has been enabled. To turn it off press and hold the

...opener, there was an electrical flash and some smoke. Now the unit won't operate at all. The wall button isn't lit. Visual inspection of the logic board, motor, terminal block, and capacitor showed ...

...garage or is this the opener contorl? This may actually be a safety sensor problem. There should be an led light on each sensor and each should be on. Try to align them to look at one another so the ...

...test run it, the motor runs fine. The carriage runs to the appropriate stop place for both open and closed positions. Great! But when I hooked up the garage door to the carriage again, it wouldn't ...

senso teminals. Same problem. Is there any way to make sure control board is faulty? Thanks, The only sure way to diagnose a bad logic board is by replacement. It sounds like you have a sensor problem

...I test the Receiver Logic Board for Craftsman 1/2 HP Garage Door Opener Mod.139.53962SRT1 The only way a homeowner can test a logic board is with a good remote that is programmed to that logic

test the logic board on a craftsman garage door opener? The manufacturer has never put out a schematic for these things so the only test is if it works or not. It became cheaper to replace rather than

Garage door light will not turn on automatically when door is opened. Tried 't several new lights but that didn't work. Any ideas on troubleshooting? This is either a light socket problem or a logic ...

test garage door 1. now it is happening the same on Garage door third. So, Door 1 - on a click - doesn't do anything; power yes. Door 3 - on a click - moves back & forth stuck on same position. Please