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Thermador PRG364ELH/04 problem.
No oven functions work. Getting blue blinking lights on front. Each (preheat and hear) blink 5 times.
I think this is error 55 - selector switch error.
If so, where do I get a replacement part and how do I replace it?
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I wanted to post this up in case someone has trouble finding an answer and what worked for me. I found somewhere else that the 43 code (4 preheat;3heat) blinks was specific to the cooling fan or the temp sensor. I had started to remove the temp sensor off the back wall of the oven but was unsure where the wire ran to. There is a specific Ohm value it should have around 1080 I think (not 100% postive).
What I found during that search is what solved the oven problem for me. On the top of the range, if you pull off the grill grates and remove the center stainless cover you can access under the burners. You can do this without removing any wires or hardware. In the back of this area is a small cover held in by 4 screws. Remove that. Underneath it is the cooling fan switch. It is a mechanical switch that when the fan kicks on it pushes a metal sail that then causes a connection in the switch letting it know the fan is operating. This switch had a little bit of corrosion on one terminal but it is also prone to getting dirty. Clean it off and try to restart the oven. The sail should move forward and the switch makes connection. For me once it was cleaned and any corrosion cleaned off, my oven worked just fine. This is a pretty easy check with the 43 code since it does not involve a lot of invasive work. Hope this helps someone.
It's the motherboard. You must have had a power surge. I just replaced mine. Motherboard + shipping 200.00. its not easy to replace but not so difficult.
for no reason the cleaning light went on, even though the oven was not on. The oven light and heating light were alternating each blinking 5 times. The door locked up, too. It seemed to think it was in a cleaning cycle. Any way, problem solved by throwing off the main breaker and all is working fine since... except now, for no reason the oven fan, not the exhaust fan, stays on all the time!
RepairClinic doesn't recognize model number PRG364ELH for thermador oven.
Any suggestions on how to replace the part?
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