Solution 2: Check Wire Harness Connections If you’re still getting the F28 error after this, then move on to the next solution.
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In some sporadic cases, a faulty CCU or MCU can cause a communication error, though most of the time, when one of these boards is broken, you should be getting other more severe errors instead.Īnyway, to verify CCU operation, you need to run a quick diagnostic test. OK, we know we said that the F28 error is rarely a problem with the boards. We’ll go over two possible solutions: rebooting the control board and fixing the wire harness.
WHIRLPOOL DUET STEAM SERIAL
However, it can be inconvenient because many different things can cause a serial communication error, and it’s not always going to be instantly apparent.
WHIRLPOOL DUET STEAM HOW TO
How to Fix the Whirlpool Washer F28 ErrorĪs we said before, the F28 error isn’t a big deal in almost all cases. However, in some rare cases, the error will be caused by failed components, and we’ll cover that in a bit.
WHIRLPOOL DUET STEAM CODE
Second, the error code description says it all: it’s a communications error, or in other words, a loose connection. Let me remind you of two things: first, the Whirlpool washer is an electronic washing machine with different boards that need to communicate with each other so that the washer runs smoothly. It’s a communication error, not a bad circuit board nor a faulty control panel that’s to blame here.Īnd yeah, maybe you know someone who faced the same error and told you they fixed it by replacing the main central control board or the motor control board.īut in almost all cases of error code F28, the boards are fine. Could Either of My Washer’s Boards Be Broken? 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.
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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.