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ashleyesparzaJul 29, 2025
What to do if 'E4' appears on the Cosori Kitchen Appliances display?
- BBrandon FloresJul 29, 2025
If 'E4' appears on the display, it means the dehydrator is being used at a voltage that is too high (such as 220–240V). Unplug the appliance and use it at a voltage of 120V, 60Hz.
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