![]() In other words, it’ll throw you this error. Given the environment in which these boards operate, some moisture can interfere with the electricity, which can cause an electric mishap.Īgain, this is very rarely a serious problem since even the slightest mishap can cause a confusing signal-to-noise ratio that disturbs communication between the different boards. If the last part sounds like a big deal, don’t worry because it’s not. During verification, any error discovered is known as a serial communications error, and your Whirlpool Duet Washer will throw you an error code to let you know. How Do These Boards Communicate?īecause we’re not yet in the age of Wi-Fi washing machines, the boards in your Whirlpool washer, such as the CCU, MCU, and front panel UI, send data through a set of wires called the serial communications cables.ĭuring a data exchange, the parts have to verify the data before doing anything with it. So in a way, it’s the muscle of your washer. Without the MCU, your washer would receive instructions but not have the ability to perform them. On the other hand, the MCU powers the washer’s motor, as the name implies. What Are the Central Control Unit and Motor Control Unit?įor those who don’t know, the CCU board is the brain of your washer, as it controls everything it does, from filling and draining to agitating and spinning. More specifically, the F28 error code means your washer’s central control unit (CCU) and motor control unit (MCU, also called a motor control board) aren’t communicating with each other, or there’s a loose connection between the two boards. In layman’s terms, an F28 error code means there’s a serial communication error between some parts in your Whirlpool Duet Sport washer. The Dreaded Whirlpool Duet F28 Error Code What Does It Mean? Well, read on as we explain what an F28 error is, what causes it, and how to repair your washer if you get it. “What is an F28 error code?” we hear you ask. But with the advancement of washers comes a few caveats, the biggest of which is more parts that could become faulty and produce an error code.įortunately, the new Whirlpool Duet washers let you know what’s wrong, and one of the common errors you can get on the display is an F28 error code.
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