- Since both chambers of a double oven heat up separately, when you turn on both units at the same times, you turn on twice as many heating coils. This requires more power. Unlike two separate ovens, which plug into two separate outlets, a double oven plugs into one outlet, which means that the outlet must have the capacity to provide that much electricity. If the circuit breaker trips as soon as you turn on the second half of the oven, the breaker more than likely cannot handle that much power at once and should be replaced.
- If the circuit breaker does not trip as soon as both sections of the double-oven are turned on, the breaker must be able to withstand the amount of power. If it instead trips a few minutes after both ovens have been started, the breaker may simply be faulty. If this is the case, replacing the breaker with a new breaker of the same capacity should rectify the issue of the breaker tripping while preheating.
- Even if the circuit breaker can handle the electricity required to preheat the oven, it may still trip when the oven is turned on. This can be caused by a power surge, which may come from inside or outside the oven. Since turning the unit on causes a surge of power to the breaker, if you turn both units on at the same time, the surge may cause the tripper to break, so turn the ovens on separately a few minutes apart.
- If the circuit breaker has the capacity to handle the power needed for the double oven and the circuit breaker still trips, the oven may have a short circuit. (The power required by the double oven can be found in the manual that comes with the unit or stamped on the oven itself.) A short circuit occurs when the oven wires touch other wires that meet at the breaker. Prevent short circuits in your home, and the fire hazard that comes with them, by making sure all the wires for the double oven and other electronics are properly insulated.
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