The fix is usually something minor.
Craftsman garage door opener limit switch not working.
Checking each of the parts of the garage door opener and the garage door itself will usually reveal the problem.
If your craftsman garage door opener is not working at all there won t be any signal to tell you that.
If the switch is set too high for your opening the door may not close.
The garage door opener uses a belt drive to move the door so it is more attractive for homeowners who value comparatively noiseless operation.
Your garage door has set limit switches that instruct the motor when to stop running both when it is opening and when it is closing.
Here are the troubleshooting steps.
Garage door opener not working.
I have a 1 2 hp craftsman garage door opener that is about 20 years old.
Garage door openers come with an adjustable switch that dictates how far the door should lower in order to close completely.
If your chain drive garage door opener s led light flashes 5 times and the door moves just a few inches at a time the rpm sensor might be the problem.
Craftsman garage doors and door openers are usually reliable but sometimes things go wrong.
I have checked that there is power to the opener and that is not the problem however if i tap the underside of the opener motor with a stick the unit lights up and the.
The close limit switch may need adjusting.
Open the garage door and watch it closely as it opens.
Recently the wall switch that powers opening and closing is not lit and will not activate the opener.
If you tried operating the garage door opener from both the remote control and the door control and the opener did not activate.
Check the power supply.
315 series 139 53939d is a residential garage door opener.
If the close limit switch is set wrong it may prevent the door from closing it can also cause the opener to reverse or pull back up when you attempt to close it.
Craftsman 315 series 139 53939d garage door opener troubleshooting.
It may be as simple as new batteries or replacing wires.