Hi........no it doesn't have fuses but if you answer a few questions maybe we can get you up and running again
~~PLEASE CUT AND PASTE THE NUMBERED QUESTIONS AND PUT YOUR ANSWERS NEXT TO THEM~~
1-) The make LIFT MASTER and model and/or number of the unit in question and do you have the manual for it?
2-) how old it might be and if you are the original owner
3-) there are 2 safety sensors on your door do both have an amber, or green light that is on steady and not flickering?
4-) can you tell me if you have a working wall control and how many working remotes
5-) any flashing LED lights on the opener (ceiling unit) and how many times it blinks before pausing? The color of the learn button is?
6-) has there been any kind of disruption that may have changed the dynamics with this opener....any wiring or perhaps the kids playing there or a recent power outage
7-) what happened that made it go from working to non-working ?
8-) are you using only the equipment that came with this opener?
9-) do you have a chain......belt......or screw drive?
10-) what exactly happens when you do click the transmitter?....... the door doesn't move but you hear the motor?......it goes partial way?........reverses?
11-) do you feel that you are capable of making simple adjustments and more than mechanical in making some harder ones if necessary?
We can start here and with the info you provide I will add steps toward our target as we proceed by our correspondence
If by some reason a resolution to the problem just isn't possible, I will do my best to supply you with any remaining options, from what other resources I can find.
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And thank you for your help and assistance