Bosch oven oven does not heat using the convection setting, fan works fine. conventional bake works fine.

The issue you're experiencing with your Bosch convection microwave not heating in convection mode could be caused by a few different things. Here are a few things to check:

1. Check the settings: Make sure that the microwave is set to convection mode and that the temperature and time settings are correct.
2. Check the element: The bottom heating element is responsible for providing heat during convection mode. Make sure that the element is not damaged or burnt out. You can visually inspect it, if it is damaged it will need to be replaced.
3. Check the fan: The fan is responsible for circulating hot air during convection mode. Make sure that the fan is not blocked or damaged. If it is, it will need to be replaced.
4. Check the control board: The control board is responsible for controlling the functions of the microwave. A malfunctioning control board could prevent the microwave from heating in convection mode.
5. Check for a blown thermal fuse: A thermal fuse is a safety device that cuts off power to the oven if it overheats. If the thermal fuse is blown, it will need to be replaced.
6. Check for a blown thermal cut-off: A thermal cut-off is a device that cuts off power to the oven if it overheats. If the thermal cut-off is blown, it will need to be replaced.

f the oven doesn't heat and the on-off light works, test the appliance controls, motor,
and heating element .

I will say that is the control board that is not working properly. Have you try to unplugged for phew minutes?, this will reset the current settings. If not, I will star replacing the control board. Good Luck!.

Looks like the sensor has tripped... on my Bosch oven, I opened the back. Connected to the thermostat is a switch with a little button which pops out to prevent the oven from overheating... push in the button to reset it and it should work

The good sign is that the motor works fine as do heaters. If the operator interface acknowledges feature selection by beeping or what have you, we can safely say the problem lies with the control board or relay.

Bake and convection bake settings both use the bottom bake element to heat. It would be unusual for bake to work without conv. bake working. You also have pure convection which uses a different element surrounding the conv. fan on the back of the unit. If you press a feature and nothing happens it's the touch pad. If it comes on then turns back off it's probably the ERC (clock). If it comes on and wont heat only in pure conv. possibly an upper relay board or element problem.

have you inserted the business card as described in the solutions?

I just found out my baking oven doesn't work and I hear the fan for the convection roast, but no heat. I had the appliance man out and he said that I need a relay board! Big bucks and they don't make this model anymore. Moreover, the microwave and warming drawer work fine. This is ridiculous!

Dear customer,
i recommend u to try the following routine to sort out this problem

Check timer and clock settings

Reseat the element

Test the element

Test the element connectors

Test the oven temperature control

Test the oven selector control

Recalibrate the temperature control

hope u find this useful. thank you.

WHAT WAS HAPPENING AT 1ST YOUR HI-LIMIT TERMAL SAFETY OR OVEN TEMP SENSOR FELT THAT THE OVEN WAS GET TOO HOT AND SEIZING OPERATION UNTIL SAFE TEMP WERE OBTAINED THIS IS GENERALLY A FAULTY OVEN TEMP SENSOR. I WOULD ADVISE YOU TO CONTACT A CERTIFIED TECH TO LOOK AT IT AND P.S. DON'T MENTION THAT YOU TOOK THE MACHINE APART MOST SERVICE COMPANIES WILL NOT SERVICE THE MACHINE IF IT BEEN TAMPER WITH BY THE CUSTOMER DUE TO INSURANCE AND LIABILITIES

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