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How do I troubleshoot Kenmore Elite Model 790 Electric Slide-In Range, 4-Digit Codes that is displaying F045 error code?

The range has electrical power to it. If the cooling fan blades are blocked, you should check it. Any obstructions should be clear. If the blades are damaged, replace the cooling fan. Check the cooling fan wire harness connection between the cooling fan and the relay control board if fan blades are okay. Fix broken wires and connect loose wires. The cooling fan should be replaced if the wire harness connections are ok. The relay control board should be replaced if the problem continues.

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