Breadmakers are rather tricky to diagnose, but we may well be able to help, especially with Panasonic and Morphy Richards ones.
Electronics may fail, and will need to be taken to a specialist for diagnosing
The kneading paddle may break
The bearings in the breadpan wear out, and sometimes leak
The coating on the breadpan wears off
For further help with repairs, try www.howtomendit.com