If your oven is not maintaining the desired temperature, there could be several possible causes. Here are some troubleshooting steps you can follow to try and fix the issue:
Check the oven temperature sensor: The temperature sensor, also known as the oven thermostat, is a small device located inside the oven cavity. It measures the temperature and sends signals to the oven control board. If it is malfunctioning, it may not accurately detect the temperature, leading to temperature fluctuations. You can use an oven thermometer to compare the actual temperature inside the oven with the set temperature. If there is a significant difference, the sensor may need to be replaced.
Calibrate the oven: Many ovens have a calibration feature that allows you to adjust the temperature settings. Refer to your oven's user manual to find out how to access the calibration mode and make any necessary adjustments. Keep in mind that not all ovens have this feature.
Inspect the heating elements: Electric ovens typically have two heating elements, one at the top and one at the bottom. If one of these elements is faulty or damaged, it can cause temperature irregularities. Visually inspect the elements for any signs of damage, such as visible breaks or blisters. If you find any issues, the heating element may need to be replaced.
Clean the oven: A buildup of food debris or grease inside the oven can affect its heating performance. Clean the oven thoroughly, including the walls, racks, and the bottom. Remove any residue or spills that might be interfering with the oven's temperature regulation.
Check the door seal: A faulty door seal can result in heat loss from the oven, causing temperature fluctuations. Inspect the door gasket for any signs of wear, damage, or looseness. If necessary, replace the gasket to ensure a proper seal.
Consult a professional: If you have tried the above steps and the oven still doesn't hold temperature, it may be a more complex issue requiring professional assistance. Contact a qualified technician or the manufacturer's customer support for further guidance or to schedule a repair.
Remember to always prioritize safety when working with ovens. Make sure to turn off the power supply before conducting any inspections or repairs, and if you're unsure or uncomfortable with any steps, it's best to seek professional help.