Our Kitchen Aid wall oven has been behaving erratically for about a year, but still functioning. Symptoms include; shutting off and locking, as if going into self-cleaning mode; shutting off w/o locking; variable temperature output; and display issues, like the clock temporarily resetting to 12:00 and minute timer not working.

None of these issues has prevented continued use of the oven, but we better address them before complete failure. What do you think we should do?

/plf