My upper oven/ convection function on my dacor ecs230b will not heat

I have a DACOR double electric oven model ECD230SCH. the top oven lower element went out 1 and 1/2 years ago, but the top element broiler works. Yesterday the bottom oven did the same thing- bottom element not working along with convection. Pulled off doors and cut breaker. Checked thermal switch on top off oven- closed good. Pull out element and Ohm'ed out- good. Now pulled over and out oven top panel to get to the control boards. Found a nice set of schematics for the over control boards and electronics. Sat down and pin-pointed both relays that supply power to upper and lower oven "lower" heating elements. these are on 2 different boards- upper over relays on bigger board on the left with the transformer. Lower oven on the right smaller board. Hardest pain in the rear was just getting the little plastic stand offs to push back through the board to get it off. Finally got it off and inspected board. Low and behold the relay I pin-pointed had a burn/open connection on the solder joint. Re-soldered tested oven and lower oven lower heat element works now! Went to the next board and got that off and same exact problem on the rely for the top oven lower element. Re-solder and test- good!! Put everything together and ran over to 350 on top and lower and back to normal. Wife very happy she did not have to pay a repair man big bucks to swap out the control boards- would have had to replace both.

I have a degree in electronic technology so as a technician for many years did low and high voltage component level repairs. But pretty easy and you can visually see the open solder joint on the back of the board at the relay leg.
Jim B Roseville, CA.

The Keypad (membrane) switches seem to be malfunctioning, this is very common on ovens these days especially if the unit has been self cleaned often. If you replace the membrane switch the unit should have all its functions again.

Does any of the elements get hot?

I found the answer on other posts on this website and it saved me $500! I had the same problem with my Dacor Model ECD2278 double oven. After I ran the self cleaning the top oven would not come on and the lower oven ran almost double the temp that was set. To fix: disconnect power to the oven at the circuit breaker. Open the oven door. You'll see the grille/grate/steel cover in front of the door latch mechanism, and it should have about 4 screws holding it in place. Remove the screws then remove the grille cover. On my model the tiny red reset button was on the right side on top of a black plastic round piece which is about 1" in diameter. Press the little button down til it clicks.

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

what is your oven if is gas or electric, if is gas easy to preheat by using lower heating element, if electric? that your unit have convection? or not? coz some probelm of the oven is, 1 if the oven is no convection or your oven is single heating in upper element,if your oven have a timer and cut off in 15minute? dont use timer,use a manual timer by it your self,if you want to reach the degrees that you want check your oven if der a lower and upper heating element with convection function,that the one is the most easy way to reach the degree that you want to reach.

HI - I just had the same problem - repairman came and reset the breaker in the oven which "tripped" (even tho I havent used the lower oven in months).  Read posts here on other Dacor ovens which explain how to get to the reset switch to avoid having $150 in repair costs - I have not tried that myself tho but good luck!

Bake- Normal convection- both upper and lower heating elements.

Conv. Bake- Semi-forced convection- both upper and lower elements, heat is then distributed throughout the oven via the fan.

Broil- radiation- The heat is radiated by the ifrared broil element.

Broil & Fan- Radiation and Ventilation- The radiated heat from the infra-red broiling element is distributed throughout the oven via the fan.

like another person stated-from the front behind the door, take off the 6 screws and the cover by the latch. there is an "oven hi temp limit switch" It is crome with 2 heavy black wires connected to it. On the back side of this is a small red button which will reset the limit switch. I had the same issue (everything worked except the any of the heating elements) and quickly resolved.

Question: does the unit appear to hold the correct temperature? Most convection units only turn the heating elements on and off...not the fan. If the unit is reporting operating temp and then taking other direction...and it is cooking right...you're done.