Question about Thermador PRG486GDUS Gas Kitchen Range

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My oven takes forever to preheat and will not get but around 350 degrees. any ideas for an easy fix?

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Follow these steps to figure ou the problem:
Check the Temperature
•Gas ovens can have several different types of temperature issues, but they usually all lead back to the same sources. However, it's good to know exactly how severe the malfunction is. Before assessing gas oven temperature issues, it's important to first check the oven temperature to find out exactly how far off it is, or if it's even heating at all. Place a hanging oven thermometer in the center of the oven grate and set the oven to a temperature. Wait for the oven to preheat, then consult the thermometer and record the difference between the desired temperature and the actual temperature in the oven.
The Heat Source
•If the oven isn't heating at all, or is heating very little, the problem is most likely in the heat source. If the oven is old, it probably has a pilot light located in the back of the heating compartment. Check if the pilot light is burning. If it isn't, allow the oven to stand open for at least 30 minutes to clear out any gas that may have been trapped in there, then relight the pilot light according to the oven instructions.
If the oven is a newer variety, the gas is probably ignited by an electric ignitor that produces sparks when the oven is switched on. If the electric ignitor is the culprit, it will need to be replaced. Because the oven is powered by flammable gas this isn't an easy or safe job, so it's best to hire a professional for this service.
The Thermostat
•The thermostat is the part of the oven that tells it when to stop heating. If the oven grows hotter than it is supposed to, the problem lies with this part. The thermostat may not be broken; thermostats need to be adjusted occasionally, to ensure they operate properly. This is also a job best left to an expert. On top of the added danger of working with a gas appliance, if attempting repairs yourself, you could inadvertently break a thermostat that simply needs an adjustment. Replacing a thermostat can be a costly endeavor and is best avoided whenever possible. If you suspect that the problem is the thermostat, call your gas company. Some gas companies offer thermostat adjustment and replacement service.
your ignitor could be going out. the ignitor has to get hot enough in order for the gas to turn on and heat your oven. if your ignitor is going out, sometimes it doesn't glow hot enough for the gas to turn on, or it could be that is takes longer than normal to get hot enough to turn the gas on. I would replace the ignitor and that should solve the problem.

Posted on Aug 31, 2010

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My Maytag Gas Oven MGR5750ADW preheats on certain temperatures and not others. For example it wont preheat at 350 degrees but will preheat at 380 degrees. At 350 we smell gas.


What you have is an ignition problem get this corrected before you experience a delayed ignition, the hot surface ignitor pulls enough amps 3-3.4 to power up and open the gas valve but ignition did not take place reason you smell gas don't know how old unit is ignitor may be weak good on draws 3-3.5 amps burner ports may be dirty or the bracket that the ignitor mounts too may have bowed away from the burner

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It takes a very long time to preheat the oven up to 350-400 degrees


Hello, Thank You for using FixYa. I will be helping you today.Replace the oven ignitor,This will fix your issue.
Thank You and please rate my answer if it was helpful..

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1 Answer

Kenmore Gas Stove, Model No. 790.72404013, oven signals it has preheated to 350 degrees in 7 minutes but it is nowhere near 350 degrees when it does this. Seems to take approximately 20 minutes to reach...


Sorry to read about your problem, I hope this helps you out.

ok it seems you have a offset issue, you need to purchase a oven temp gauge. See what the unit read's, lets say you set the oven for 350, does it read 320 or 380. 20 min for 350 is little on the long side, you may have a gas pressure issue.

I would get a 2nd opinion on this matter. and no, they are not all like that.

I tried to help you. Please help me and Rate/Vote on my response. We take the time to answer your question. take the time to rate us.Thanks and good luck

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Oven does not get to temp when it says its preheated


More than likely, its your oven thermometer thats taking a half hour to read correctly. The oven is probably getting there sooner. If you had a digital thermometer, the read would come quicker. So save your money,nothing wrong with your stove.

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1 Answer

Preheat takes forever


http://www.applianceaid.com/nuker.html
click the link  Oven temp sensors sense the temperature is the oven cavity and the temp sensor changes resistance, this change in ohm resistance tells the oven control what temperature the oven cavity at and tells the control to shut off the element or turn it back on. The most common temp sensors used today ( *not all ) are approx 1000-1100 ohm resistance at room temperature ( 70�F )
Some ohm readings and there temperature:
Degrees F    -   Resistance
            100 - 1143 ohms
             200 - 1350 ohms
             300 - 1553 ohms
             350 - 1654 ohms
             400 - 1753 ohms
            500 - 1949 ohms


click this link
http://www.applianceaid.com/elecrange.html

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My Delonghi gas oven takes nearly 45 minutes to preheat!


I would be suspicious of the thermostat. It or the sensing element may have failed.

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1 Answer

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I have just checked the baking guide in the manual and have found that it may not be us after all. (Maybe this is why they telll us to read the whole manual. Well, I never have) According to the cooking time for Baking, the range is very extensive. For example, an angel cake at 350 could take from 28-50 minutes, buscuits at 375-400 could take 8-16 minutes, layer cakes at 350-375 could take 25-40 minutes, pound cakes at 325-350 could take 45-70 minutes and fresh pies at 400-450 could take 35-60 minutes. Basically, the baking directions on the box means absolutely nothing to use Amana oven owners. We have no choice but to cook our food or baked goods until they are cooked, whenever that may be. :) Linda

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