When Jenn-Air SCE30600 (circa 1997) comes to oven temp (400F), after a period of time, say 25 minutes, then oven relays operate erratically, sometimes cycling oven light, and then an FC or F5 error is displayed and oven shuts down. Sometimes this takes oven clock and control panel power to off. Then 15 minutes of coooling off later, with a circuit breaker on/off sequence, stove and oven are back to normal. Just recently, this occured when the oven wasn't even on - we were using the stovetop! So I suspected wiring and connectors - not a component problem like an oven sensor. I knew this wasn't a control unit problem for me - I replaced this board and still had the problem (I do wish I had first replaced the capacitors on the board first and possibly saved some serious $$). I've read a lot of FixYa threads. I solved this by removing and inserting all connectors to the relay board and the oven sensor. I checked the oven sensor (1053 ohms at ~ 62F). But the aha moment - looking at the back of the relay board and seeing a number of soldering joints had dirt buildup. I gently scraped these soldering points and cleaned with alcohol. So far, oven is working fine for hours at a time at 400F.
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