How do you reset the machine or even run self test to find out what is wrong with it?:|

Any malfunction with the lock on this machine you can pull up sears parts online order it for about $43.00 and install it yourself just unplug the machine first, then remove the seal tension ring carefully, remove three screws connecting lock and switch to housing , disconnect three plugs to old part reconnect to new part, part should alien with all holes in housing, mount part in properly,replace seal and seal ring. Boom!! YOU SAVED $140.00 If You were out of warranty