# How to Fix Whirlpool Error F06 (Drive Motor Tachometer)
The F06 error code on a Whirlpool washing machine indicates a malfunction related to the speed and operation of the drive motor. This guide will help you understand the error and provide clear steps for diagnosis and repair.
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## What Does Error F06 Mean?
The F06 error specifically signals an issue with the **Drive Motor Tachometer (or Speed Sensor)**.
### In Plain English:
The tachometer is a sensor component attached to the drive motor. Its job is to measure the precise rotation speed (RPM) of the motor and send that signal back to the Central Control Unit (CCU).
When the CCU expects a speed signal (typically during the agitation or spin cycle) but does not receive a valid, recognizable signal from the tachometer, the control board assumes the motor speed cannot be reliably monitored. This triggers the F06 error, shutting down the machine to prevent damage or safety issues.
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## Step-by-Step Troubleshooting Guide
The F06 error is almost always caused by either a poor electrical connection or a failed tachometer component.
### Step 1: Perform a Hard Reset
Before opening the machine, always perform a basic power reset. This clears any temporary glitch that might have triggered the error.
1. **Unplug** the washing machine from the wall outlet.
2. Wait for **5 minutes** to allow the control board (CCU) to completely drain residual power.
3. **Plug** the machine back in.
4. Attempt to run a short diagnostic cycle (e.g., Rinse & Spin) to see if the error persists.
### Step 2: Access the Drive Motor Connections
If the error immediately returns, the next step is to check the wiring harness connecting the CCU to the drive motor, as a loose connection can mimic a faulty tachometer signal.
**Safety First:** **Always unplug the washer** before attempting to remove any panels.
1. Depending on your model (Top-Load vs. Front-Load), you may need to tilt the machine back and remove the bottom access panel, or remove the back service panel.
2. Locate the main wiring harness leading to the Drive Motor.
3. **Inspect the Plugs:** Firmly push on the connector plugs on both the motor end and the control board end (if visible) to ensure they are seated correctly.
4. **Look for Damage:** Carefully inspect the wires in the harness for any signs of chafing, pinching, or burn marks. Corrosion on the terminal pins can also block the signal.
> **Note:** The tachometer wiring is often integrated within the main motor harness, meaning that if one part of the harness is loose, the tachometer signal is lost.
### Step 3: Test or Replace the Motor Tachometer
If the connections are secure and the harness is visibly intact, the internal motor tachometer is the most likely source of the problem.
The tachometer is typically located at the rear of the drive motor assembly (near the pulley or rotor).
#### Diagnosis via Replacement (Recommended):
For most DIY repair individuals, the easiest and most definitive way to fix F06 is to bypass complex electrical testing and **replace the tachometer sensor.**
1. **Access the Motor:** You may need to remove the outer tub shielding or lift the washer drum to get clear access to the drive motor assembly.
2. **Identify the Tachometer:** On direct-drive Whirlpool models, the tachometer is often housed inside a small component (sometimes called a resolver or sensor) mounted just behind the motor pulley or stator. It will have a small wiring pigtail that plugs into the main harness.
3. **Remove the Old Tachometer:** Carefully disconnect the wiring and remove the bolts or screws holding the sensor assembly in place.
4. **Install the New Tachometer:** Place the new sensor, reconnect the wiring, and ensure everything is firmly secured.
#### What if the New Tachometer Fails to Fix F06?
If you replace the tachometer and the error code F06 immediately returns, the issue has progressed up the line:
* **Damaged Wiring Harness:** There may be an internal break in the harness that wasn’t visible during inspection.
* **Failed CCU (Control Board):** If the CCU is damaged, it cannot properly read the signal even if the sensor is working perfectly. However, this is significantly less common than a failed tachometer.
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**Check the price for a replacement Motor Tachometer here: https://www.amazon.com/s?k=Whirlpool+Motor Tachometer&tag=trivian-20**