Frequently Asked Questions

helpWhy is the LED display showing "FU"?

Category: Vacuum Cold Brew Coffee Maker
Product: CMH-500
Usage
Importance: star_ratestar_ratestar_rate
Difficulty: star_ratestar_ratestar_rate
Answer:
If the carafe is too full and the water level reaches the water detection sensor, the coffee maker will stop operating to prevent water seeping into the main control unit, and LED display will show “FU”.

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