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F7 Error, DCS WOT-230 wall oven - parts availability? also possible other tips?

DCS Wall Oven F7 Error

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#1 dmilamj

dmilamj

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Posted 20 February 2012 - 12:39 PM

I am having a recurring F7 error (key pad key depressed, generally caused by a bad keypad, but can also be a bad controller) with a DCS wall oven. I have read the F7 FAQ here, and have tried:
1) cleaning the contacts
2) adding paper insulation on either side of the ribbon cable

The problem is intermittant, and is much worse when the weather is humid.

Tonight I will try disconnecting the ribbon cable and applying power to the oven to see if the F7 error returns without the keypad attached.

If it doesn't I assume that means that there is a short in the touch pad.

A couple of questions:
1) I can't find the keypad in any of the online parts suppiers. It is DCS part 17530-02 Rev. b, can anyone point me to a resource to find this DCS part?
2) Is there any other way to repair/troubleshoot the keypad? Can I heat it up with a heat gun, bake it in (some other) oven, peel it apart, something? I don't know how these membrane pads work, so I'm not sure where to start.



Thanks,


Dave

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#2 dmilamj

dmilamj

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Posted 20 February 2012 - 11:03 PM

So today I unhooked the keypad ribbon cable and then applied power to the oven. It's been several hours now without an F7 error, so I think that the keypad is almost certainly defective.

Has anyone hacked one of these pads? They are just an array of momentary on switches right? Could I roll my own?





Also tagged with one or more of these keywords: DCS, Wall Oven, F7 Error

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