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RV Microwave/Convection by Panosonic Model NN-8501V, touch controls go crazy when cold, indicating the AUTO DEF button is in continuous contact. CLEAR/STOP only works for a second and then AUTO DEF starts again, beeping continuously (I disconnect power cord at night to avoid be awakened by beeping). Use of a hair dryer to warm up the touch pad solves the problem until the outside exhaust allows cool air to reduce keypad temperature (I now keep the outside exhaust vent closed except when cooking). The unit was made Aug 1994) Can the touch pad be fixed (there is no obvious way to pull it off before taking the microwave out of the built-in cabinet in the RV)? Or must the touch pad be replaced? If yes, can I do it myself? (I am fairly handy with tools and even a soldering iron) Or is it easier/less expensive to replace the whole microwave (finding that model or a similar size model to fit the built in opening in the RV might be difficult though I am in Yuma AZ where thee are lots of RVers RV stores)? I joined FixYa and did get a reply from an earlier request that I was being contacted separately but no email or phone message has been received. My email is, ph 509-280-9983(cell-ATT). Thanks in advance... a full time RVer, retired Army guy living on a pension so costs are critical... Bert

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Re: RV Microwave/Convection by Panosonic Model NN-8501V,...

I tried looking up the part number for this model and they don't identify clearly what the touch pad is. Would have to get one of the parts companys ( to do research on it.
I've done surgery on a few touch panels and it usually works out. Have to break through the plastic tabs holding it together, then you can clean the contacts. Then do something like find little tiny screws to fasten it back together.
Hope Ya Fix It!

Posted on Jan 24, 2008

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Look rather a problem with a faulty touchpad, or the magnetron that is not working and need to be changed.

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That manual should have contact info to help you get in touch with High-Pointe to get a new one, or it may be close enough to your model to work for you.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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There may be an F type fault code on the display, or the display may reflect that a key has been pressed when it has not.

If you can supply more details along those lines, that can help in the diagnosis.

The rest of the answer assumes you have a failed keypad.

If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.

You can order Panasonic parts from Tritronics, but if you don't find what you're looking for there, try here.

Or you can find an authorized Panasonic servicer here.

If you would like to have us do this for you, we do that for $39.95 plus part costs.

Feel free to contact me directly (and please remind me of your model number) for more information & help.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

William E. Miller, AS-EET

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Due to the lethal voltages used and produced, I do not recommend that an inexperienced person work on these.

I would recommend that you contact your nearest Panasonic-authorized servicer. You can find one here.

We're happy to help and we appreciate your thoughtful rating of our answer.

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I'm replying privately with complete details.

We're happy to help and we appreciate your thoughtful rating of our answer.

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