: Ensure the thermostat is functioning correctly; if the oven does not reach the set temperature, the thermostat may need professional replacement.

: Turn the left-hand knob (oven function selector) to the desired setting (e.g., top/bottom heat, grill). Set Temperature : Turn the temperature knob to the required Celsius degree. Indicator Light

If you are using a "patched" manual to troubleshoot an older unit, focus on these common areas: