Hi Uncle Bill,
I have two OM-2 bodies and one OM-2n. I've not experienced any problems such as you describe, generally very reliable. BUT, and I don't mean to teach gran'mar t' suck eggs, are the batteries OK. When I was in the trade most of the problems I encountered were due to battery failure or even the incorrect type fitted. The OM system single digit cameras need silver oxide batts. Many folk use others 'cause they're cheaper. Just a thought, but you already know that don't you........shut up Allan!