When this happens, there can be several reasons why this problem is caused, but the most common are, because the timer is damaged or the protection circuit is activated.
Possibly one of the elements is damaged or the thermostat is not working properly.
Possibly the thermostat is not controlling the temperature correctly or the customer is not using the appropriate set.
It is possible a loose connection in a cable or that the cut off thermostat is being activated because the thermostat is not controlling the temperature.
Normally it happens when the hinges of the door are damaged.
They are usually damaged by common use or because the door is not closing properly.
They are usually damaged by use or because the cover that protects them is damaged.
Possibly the motor blade is touching the fan element or the motor is damaged.
It usually happens when an element is about to be damaged or the oven requires deep cleaning.
The switch selector may have problems. There can be many causes.
The timer is damaged or normally this happens after a power failure when the service is normalized.
It is damaged or oven has no current.
Normally it happens when the timer is damaged. Normally it happens when the timer is damaged.
There may be many factors for which this happens, in this case it is necessary to completely review each of the components.
Hinges are damaged.
It is normally damaged by misuse.
They are normally damaged by misuse or by the oven time.
Possibly the fan cooler is not working or is not being activated. If this happens the repair should be immediate since it is unsafe to work the oven without the fan cooler working properly, since all the electrical components will undergo heating.