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Cathy WhitakerJul 29, 2025
What to do if my Cosmo COS-3012ORLP1SS will not operate?
- CCourtney DukeJul 29, 2025
If your Cosmo Microwave Oven isn't working, there are several things to check: * **Fuse or circuit breaker:** Replace the fuse or reset the circuit breaker if needed. If the problem persists, contact an electrician. * **Magnetron:** Test by heating 1 cup of cold water for 2 minutes at 100% power. If the water doesn't heat and the microwave still doesn't operate, call for service. * **Door:** Ensure the door is firmly closed. Remove any packaging spacers attached to the inside of the door. If 'Food' is displayed, open and close the door, then start the cycle. * **Control:** Verify the control is set correctly, Control Lock is OFF, and Demo mode (if applicable) is OFF.
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