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Fuses

Electric portable fireplaces have fuses in them that must be functional for the fireplace to heat properly. If the fireplace has lost its ability to heat, check the fuses to see if they are burned out before replacing pricier parts or the whole unit. The fuses are inexpensive and easy to replace.

Clean the fan
When the heating function of the fireplace is not working as well as it should, you may need to inspect and clean the fan to repair the issue. The fan can become dirty, and it needs to be cleaned to ensure it functions properly. A build-up of dirt and debris could prevent the fan from spinning properly and lower the effectiveness of the fan[/b]