Mow
Connect properly
Discharge grass clippings
Can't level side to side
Can's level front to rear
Will not engage
Blade belt slipping
Blades spin but will not cut grass
Makes a noise when blades rotating
Falls off when mowing
I am afraid more information is needed other than having a "Problem".
The only problem I can see is they should have started making them 20 years sooner. I really like my 62D and would have liked it better back in the '90's.