Question about Sears LiftMaster Building Materials
...a new logic board, well tried that and still doesn't work. Any tips??? Thanks Sounds like a bad motor. CHECK FOR SAFETY REVERSING SENSORS WIRE OPEN BROKEN OR DISSCONECTED , SHORTHED OR WIRE ...
Question about Sears LiftMaster Building Materials
...opener doenst work, light on on wall pad lights on on remote sensors. nothing happens when button is pushed. I would remove the logic board and check for loose or missing traces on the logic
Question about Sears LiftMaster Building Materials
...logic board problem. I would pull the board and check for burnt or missing traces on the printed circuit board. If this fails it would be a good time to upgrade your opener due to the cost of the ...
Question about Sears LiftMaster Building Materials
...fine. Any ideas? You need to remove the logic board and check for loose connections on the printed circuit board especially around the small transformer. The logic board is on the end you are
Question about Sears LiftMaster Building Materials
...motor blinks when any remote is pressed. Any ideas? thanks I would remove the logic board and check for loose or missing traces on the printed circuit board. Electrical storms love that logic
Question about Sears LiftMaster Building Materials
...circuit. Check the logic board for missing or burnt traces especially around the small transformer. After reading Don0930's advice, I went and bought a little plug in surge protector for my
Question about Sears LiftMaster Building Materials
...gone bad? It could be a bad logic board especially if you have had any electrical storms in the area. I would remove and check the logic board for burnt or missing traces on the printed circuit
logic board and the sensor part was shorted somehow? Check for 5vdc between terminals 2 and 3 on the rear of the motor unit. If there is no voltage or if it is greater than 6vdc the logic board is bad
have hit garage opener. Not working anything I can check Lightning loves logic boards. You can remove the board and check for missing traces on the printed circuit. Unfortunately this is fairly common
Question about Sears LiftMaster Building Materials
...programming problem. You could pull the logic board and check for loose connections especially around the small transformer. 18 years for an opener is very lucky. Their average life is about 1/2
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