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That error is very specific to the Appliance Manager board. Are the door switches working and not shorted or otherwise having issues?
I believe he already checked, but I will have the door switches double checked.
That really is the only other thing that will cause that error other than the board failure.
Would this unit need to have both boards replaced? it uses two identical boards and we replaced one of them? I will let you know as soon as I can get the door switches checked
Not to correct only one that is failing, have you tried the new control for the other oven?
Yes we have tried switching the new board's placement. and doing so had no appreciable effect on our issue.
The oven lights shut on and off as they should when the door is opened and closed, my associate tells me that there are only two wires to each door switch.
Correct, so they are working. It may be an issue with one of the interface controls that is making the appliance manager error. What happens if you disconnect one of the interface cables and then the other? Any change in the behavior?
we had put in a new interface at first but it changed nothing, so we sent it back. we then tried replacing one of the two control boards. the interface seems to connect to both boards.
That is going to be difficult to track down then because if something is causing an issue with the AM board when plugged in, it will be very difficult to find.
This range is worth $10k so we are very interested in getting it fixed, we are happy to give a large tip on this if we succeed, we trust your opinion. Where in your opinion should we check? We are going to look into the door lock and double check switches.
Does the display show what side the error is on, for which oven I mean?
it seems to consistently indicate the left side, in one of the diagnostic modes it says that the right side is "Good" but flashes the error code when we press the button for the left side oven.
What I would do is unplug one load connector from the AM board at a time and plug the range in. If you unplug one and the error does not come on, that will give you an idea which circuit is having issues.
which connector is the load?
All of the connectors on that board, the P8, P1, P2, etc
My tech just told me that he did and the machine prompts a communication error.
Hmm, it sounds like that board is faulty. Did you install a new one or one you had around?
one new one, but the other original remained in the machine.
I would be tempted to replace the other board, too. However, I would order it from Repair Clinic so you cab return it if you still have issues. This is a very atypical failure and it seems that all logical testing has been done.
Okay, we are working on checking over several of the components or checking them again more thoroughly
Okay, keep me posted. Thanks, Bill!