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            DIY Message Boards  Hop To Forum Categories  Home Improvement  Hop To Forums  Kitchen    gotta love those appliance control panels
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        gotta love those appliance control panels Sign In/Join 
        posted
        our range just blew out today while the wife was baking cookies. thermal runaway and the door locked, so she hit the off button. then it started beeping, code F1.

        goner.

        the panel alone is $200. we replaced the sensor, but no change.

        it's a wear item, alas. but better $200 than a new convection oven to replace the thing, at this point. now, I gotta dig up my static strap...

        side note... this could have started a fire. in the 60s, we would go off with the oven timer set to start supper, and come back in time to eat. with these unprotected computerized gollywog magic controllers, I don't think we'll try that.

        last little solar flare was the 20th, so can't blame it on that.

        This message has been edited. Last edited by: swschrad,


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5746 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        posted Hide Post
        Hi swschrad...
        I remember seeing something like this on another board. The problem was they no longer made that control panel. I don't know if this is the case for you but, here's is another solution that may be a little more cost effective.
        http://www.youtube.com/watch?v=DejFOQWfBpw

        ......Let us know how you make out...
         
        Posts: 827 | Registered: Jan 29, 2010Reply With QuoteReport This Post
        posted Hide Post
        Ron, on a Frigidaire, you have to pull out the oven and remove a cover plate on the back, top.

        F-errors mean a hard failure on the control panel. since the controllers used combine the computer, RAM, and ROM stored program in a microcontroller using surface-mount soldering, there really ARE no user-serviceable parts inside. the only thing you could fix, assuming you have electronic silver solder, a 1/32 tip temperature-controlled solder station, and at least a 10x magnifier lamp, would be a bad solder joint. Joe NotFactory does not have the identifiers to the proprietary parts, or access. not likely there would be any common SMT parts involved in a boot-up failure.

        // edit 3/21... point-to-point connections with through-hole components, but you still can't fix much //

        This message has been edited. Last edited by: swschrad,


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5746 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        Picture of GardenSprite
        posted Hide Post
        Well, that certainly wasn't the desirable scenario for baking cookies... the fragrance of cookies, perhaps with the added temptation of melting chocolate chips....anticipation of warm cookies melting in your mouth accompanied perhaps by milk....and then boom.

        Just for perspective (and I hope to God my range doesn't have one of these control panels but it does have an electronic panel so I guess I need to be concerned) - is your range one with a lot of high tech features, or just an average range that no longer is operated by pushing buttons or manual controls?

        How old is it? Is it electric or gas? Are these panels that are standard in ranges these days or special order versions?

        When I read something like this I'm almost tempted to get a wood burning stove, but of course it could be just as hazardous and would probably cause the code enforcement people to bang down the door and cite me for some kind of smoke violation.

        Still, sorry this had to happen. Hope no injuries were sustained, including to the cookies (especially if they were chocolate chip).

        You raised an issue that I've found troublesome for some time - setting appliances and going away and leaving them. I know so many women who start crock pots then go to work and leave them unattended all day long. Maybe there's some built-in protection feature, but it still would worry me. Maybe the solution is more high tech - blue tooth controlled crock pots!
         
        Posts: 1916 | Registered: Oct 06, 2006Reply With QuoteReport This Post
        posted Hide Post
        heh, the solution is more low-tech mechanical clocks.

        replaced the not-complicated electronic panel, got an F30 error... the stress of two splices to use the newfangled oven sensor with the oldfangled connector caused the connector to come unplugged. hung it in the wiring harness so it doesn't pull apart, and I don't expect to have to pull the range out and take the panels off the back again.

        this is probably a 10-12 year old range


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5746 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        posted Hide Post
        here's what a dead board looks like... the main 240v relay blew off its circuit board traces and sooted up the oven button area with carbon and metal... I presume since the old temp sensor was in-spec that there was a control failure (324 comparator or processor chip) that turned both burners on and locked the self-clean door. also appears to have been a capacitor failure that could have killed bias to the 324 chip.

        just in case anybody from Frigidaire reads this... C14, a Nichicon cap. that maker is one of those that got stung with counterfeit electrolyte about that time, and the most common fail was computer motherboards from that little gotcha.

        This message has been edited. Last edited by: swschrad,


        sig: if this is a new economy, how come they still want my old-fashioned money?


         
        Posts: 5746 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        Picture of CommonwealthSparky
        posted Hide Post
        Does the load center have a surge suppresser installed to protect the abodes electronics? Just wondering out loud. I always recommend such a device to homeowners as our lives are evermore dependent on the modern world. Wink


        Popeye only reached for the Spinach can as a last resort...
         
        Posts: 1440 | Location: Central Pennsylvania | Registered: Jun 02, 2010Reply With QuoteReport This Post
        posted Hide Post
        no. there frankly isn't room. I thought about putting a gas suppressor inside the oven, but the ones I have are 300 volts, and it's a 40 or 50 amp circuit, so I figured it's not a special idea to go there. the controller board is off one phase, 120 volts. I do have some nice 150 volt varistors in the junk box, but without fusing them at an appropriate level, and then having to disassemble the oven yet again to replace fuses, didn't seem all that clever.

        if ever I get the wife to decide it's time to replace the (evil) FPE panel, we're doing the whole-house thing.

        This message has been edited. Last edited by: swschrad,


        sig: if this is a new economy, how come they still want my old-fashioned money?
         
        Posts: 5746 | Location: North Burbs, MN | Registered: Mar 14, 2007Reply With QuoteReport This Post
        posted Hide Post
        So, these are two totally different beast....

        Question.. The board you posted looks burnt, could this have caught on fire.?
        Also. Garden Sprite mentioned crock pots, we leave ours unattended all the time. Any problems here with the crock pots.?
         
        Posts: 827 | Registered: Jan 29, 2010Reply With QuoteReport This Post
        Picture of CommonwealthSparky
        posted Hide Post
        quote:
        Originally posted by swschrad:
        no. there frankly isn't room. I thought about putting a gas suppressor inside the oven, but the ones I have are 300 volts, and it's a 40 or 50 amp circuit, so I figured it's not a special idea to go there. the controller board is off one phase, 120 volts. I do have some nice 150 volt varistors in the junk box, but without fusing them at an appropriate level, and then having to disassemble the oven yet again to replace fuses, didn't seem all that clever.

        if ever I get the wife to decide it's time to replace the (evil) FPE panel, we're doing the whole-house thing.


        You certainly have bigger issues than the oven if your abode has a F_P load center installed. But I'm sure you are aware of those issues. No way do I want to scare anyone on this important issue. Wait, maybe I do. But F-P load centers are a fire hazard.

        I routinely turn do work if it involves any rework with a F-P load center. Unless that work is a complete swap out with a new Square D or Cutler Hammer load center. {Both regional favorites}. Believe me you never want to be the guy last in a F-P load center. Many sleepless night will follow, for sure.

        And a whole house surge suppresser is paramount protection when doing a swap out. And then that is 99.99 % effective. Never say never.

        This message has been edited. Last edited by: CommonwealthSparky,


        Popeye only reached for the Spinach can as a last resort...
         
        Posts: 1440 | Location: Central Pennsylvania | Registered: Jun 02, 2010Reply With QuoteReport This Post
        Picture of CommonwealthSparky
        posted Hide Post
        F-P breaker addendum. Have you ever thought that the load center caused the oven issue?
        As Federal Pacific breakers are well know to not trip under the proper settings. IE not tripping when the current approaches the set point of the breaker. Something to ponder on as cold March Sunday...
        I have posted this before homes in this area with F-P load centers will not get insurance when the property changes hands. A walk through with an agent will result in a red flag 99% of the time. Unless your are willing to pay 4xs the rate of normal coverage.

        This message has been edited. Last edited by: CommonwealthSparky,


        Popeye only reached for the Spinach can as a last resort...
         
        Posts: 1440 | Location: Central Pennsylvania | Registered: Jun 02, 2010Reply With QuoteReport This Post
        posted Hide Post
        quote:
        Originally posted by ron45:
        So, these are two totally different beast....

        Question.. The board you posted looks burnt, could this have caught on fire.?
        Also. Garden Sprite mentioned crock pots, we leave ours unattended all the time. Any problems here with the crock pots.?


        I had a trusty red 3.5qt Crockpot I got when I was in England in the USAF back in 1979. It was a 120v model with a simple switch: Off, Low, High. Worked like a champ for nearly 30 years. When it died I bought a new one with electronic controls. It still works but it runs so hot that setting it and forgetting it for the day will lead to an overcooked dinner. I can start the Crockpot at noon, set it on low and dinner will be done before 5pm. Fortunately I work from home and can do this. The newer ones just run so much hotter than the originals.


        General Disclaimer

        Any advice given here is general in nature and is not necessarily valid for your given area. If in doubt check with your local codes enforcement department for what is required when doing electrical, plumbing or structural work on your house. Permits may or may not be required in your area and home owners may not be able to DIY some tasks. I have no way of knowing if you have the skills needed to complete the tasks you are asking about, when in doubt seek professional assistance.

        My advice may be worth exactly what you pay me for it. :-) For the record I did not stay in a Holiday Inn Express last night.
         
        Posts: 730 | Location: Cary, NC | Registered: Aug 17, 2006Reply With QuoteReport This Post
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