Question about Bosch HBN 455 Stainless Steel Electric Double Oven

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Bosh double oven. Temp is 100 degrees cooler on top oven, any ideas? both on bake mode

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The fact that top oven is 100degrees less than bottom is no relation between the two; they are controlled by independent stat controls and if the only way you know if the temp is correct, is to set a temp (such as 350 degrees) and put a thermometer in that oven to see if the thermometer is with in 25degrees of the control settting. You need to do this for the bottom oven as well to see if it is aslo within 25degrees of the setting. then you make adjustments for each unit independently. If the controls are mechanical (knob), then the adjustment is within the control (usually by removing knob and serching for a small screw). If the controls are electroonic, then you need to search the circuit board to see if there is adjstments mounted on the board. Goodluck,Macgivor

Posted on Jan 31, 2010

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Posted on Jan 02, 2017

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IN MY DOUBLE OVEN BOSH HBM 13B2551B THE TOP OVEN WORKING,BUT BOTTOM OVEN DOESNT WORKING


Look for any burned or discoloration on the bottom bake element. Did you try the broil on the lower oven? If neither is working you may have a board or touchpad issue.

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Dacro Wall oven (electric) does not heat past 345 degrees on bake or convection bake but broiler works and bottom oven works fine (for bake, convection bake and broil).


it could be the oven temp sensor rod located near the top of the inside of the oven,or possibly the bake element has a hot spot on the element and can no longer pass enough current thru this spot to correctly heat to your settings a hot spot on the element will look discolored in this area

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I have just installed a Maytag built-in double oven to replace my old one (still working.) I shut off circuit breaker and reconnected wiring. The Control Panel and indicators on the digital readout all...


How many active terminals are there at the main terminal block in the new oven. Is this a single or 2 phase supply. Have you connected the active supply to all active terminals. If only half of the oven is working it sounds like it could be a problem at the terminal block. If so, you need to put a loop or bridge wire to the 2nd active terminal.
If all this was done correctly when connected the only other thing it could be is the electronic clock needs to be set to manual mode for the oven to work correctly.

Feb 26, 2011 | Maytag CWE5800A Electric Double Oven

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When set to bake eg: 350 degrees the audio alarm will indicate it's reached temp but the oven is 50- 75 degrees lower. Must wait another 15 min for it to reach the proper temp. Have tried to adjust the off...


If you are monitoring the oven temperature with an analog style thermometer you may actually be ok, but seeing the thermometers slow reaction time.
Some newer ovens actually do pre-heat beep prior to reaching temp in an effort to conserve eelectricity.
A good home test is to try your oven at several different temps to see if there is any variation in internal temperature. Try it one day on 300, the next at 375 and another day at 450. Give your analog style thermometer time to catch up (usually just about 15 min) and leave it on for a half an hour to see if the temp maintains.
Also Beware of aluminum foil AND THE NEW OVEN LINER MATS as they can alter oven performance bay absorbing and blocking the ovens natural heat radiation and convection air flow currents that happen in all ovens, not just convection models.
Another interesting fact is that older ovens used a thermostat in them that operated much like your thermometer and was very slow to react making the oven typically about 100 degrees hotter than where the customer set it. This was just a fact of life before the advent of electronic temperature management and became noticeable when people began trying to bake older "hand me down" recipes in the newer ovens with less than stellar results.
You can mimic the older oven performance by preheating the oven about a hundred degrees higher than called for and after it reaches temp, re-set it to the correct temperature and put the items in right away.
If you find your temperatures fluctuating ask your servicer to replace first the temp sensor and as a last resort the control board as this part is usually pretty expensive.
Good Luck with this!

Jun 14, 2010 | Ovens

2 Answers

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I had the same problem in December - I had to replace the circuit breaker and that solved the problem. My oven wouldn't go above 100 degrees in convection, bake and roast modes. Each of these modes are on a separate circuit so when one is bad, the others should work.

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Double check the sensor. It should ohm at 1150. Look for a frayed wire on the sensor.

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Usually, when an oven won't heat, it's because the bake element is burned out. The bake element is the black, pencil- thick tube at the bottom of the oven. When the oven heats, the element glows red. This element has an expected life-span of several years. It may last for only one; it may last for many more. When the element burns out, you need to replace it.

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1 Answer

Temp indicator chimes although temp is really 100 degrees low.


Yes you do need a new thermostat, just make sure that the sensor is not obstructed by anything. first.
Plz rate my solution
Thanks.

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4 Answers

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Had a similar problem. The overheat sensor had failed to the open position and the oven control would light up and you could set the temp, but it would drop to 100 degrees and then go blank.

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