To Fix oven Melbourne, begin by ensuring safety with power disconnected. Diagnose the issue, whether it's no heat, uneven heating, or a malfunctioning thermostat. Check the heating elements for damage and replace if necessary. Test the thermostat's accuracy with an oven thermometer and replace if it's off. Examine wiring and fuses for damage or loose connections. Replace damaged components or reset tripped fuses or circuit breakers. After replacing parts, reassemble the oven, restore power, and test its functionality. Regular maintenance, such as cleaning and part replacement, can prevent future problems. For complex issues or discomfort with DIY repairs, consult a professional technician for assistance.