Microwave comes on and goes off by itself
 

The microwave comes on by itself, runs for 1:35, then ends. Will repeat action if not unplugged. Key pad does not work in trying to turn off. At times the pad will work when plugged back in; but have to unplug again, else the unit starts to 'go-off' again.

Not sure if it is the same problem but there is likely a problem in either the touch pad or the electronic panel under it. We had an experience similar in that the m-wave unit would suddenly start up by itself in the middle of the night. Suggest you unplug it and call the supplier ASAP. It might still be covered in an unwritten field campaign covered by the mfg under warranty