on my 1688 first today my digitial readout for my rotar fan eng.... tottally quite... then shutoff my fedder won't start back up. referser would not work ether . Then if I let the machine cool down it would start up again then quite again. thought maybee hyd.. level fine cheacked filters seem fine even if it is hyd why the reverser quite working? then if I do get it going then the reall sometimes will slowely wuite working? replaced switch still no better . any ideas thanks for any thought at all..