Need to replace carriage on stanley sd450 opener how is it done?
Please make sure you don't have broken springs first and that the door is balanced properly. If so you can replace the "Trolly" by disconnecting the arm from the opener, undoing the opener from the bracket that mounts it to the wall. This usually takes a 1/2 in wrench. Then swing the opener out far enough to slide the trolly off and replace it with a new one. Re-connect everything then re-engage the trolly.
My model 940D-01 will not
Make sure the battery in the keypad is good. If you cannot get it to program then it has most likely failed and needs to be replaced.
Remote does not open garage door
It sounds like the wall button has the lock feature engauged.
Is there a small green LED flashing inside the wall button?
Push and hold the lock button for about two seconds and the LED should stop flashing. This will unlock the garage door opener and your remotes should start working. You may have to reprogram your remotes and homelink again since you triedprograming in the lock mode.
Good luck.
My wife paired her Acura
unpair it as there is another signal in your area on the same frequency. some frequencies can travel over a hundred meters or more. if you use a frequency monitor you will find there will be a lot of signals in your area. the original system will drown these out looking for its signal but pairing a device that has a different frequency or frequencies this can cause randone read. and will work on frequencies in this range can even be a freezer turning on etc. as every device make a signal.
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