# How to Fix Frigidaire Error E52 (Bad Motor Signal)
The Frigidaire error code “E52” indicates a problem with the communication between the main control board and the drive motor. Essentially, the machine has received a bad signal (or no signal) from the motor, preventing the wash or spin cycle from properly initiating.
This is a serious communication failure, and while it occasionally stems from a loose wire, the overwhelming likelihood is that the component responsible for regulating the motor’s operation has failed.
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## 1. Explanation: What is Error E52?
The E52 error code means the washing machine’s electronic control system is not receiving the expected tachometer signal (or speed feedback) from the motor.
The **Motor Speed Control Board** (also often called the Inverter Board or Drive Board) is the component that monitors and regulates the motor’s speed. When this board fails, the machine loses the ability to properly run the motor, triggering the E52 code.
If you encounter this error, the machine will likely stop mid-cycle, refuse to spin, or fail to agitate the clothes.
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## 2. Step-by-Step Troubleshooting and Fix
**⚠️ Safety First:** Always unplug the washing machine completely from the power outlet before beginning any inspection or repair to prevent electric shock.
### Step 1: Perform a Hard Reset
Before checking internal components, try a simple reset to clear any temporary electronic glitches.
1. **Unplug:** Unplug the washer from the wall outlet for at least five minutes.
2. **Plug In:** Plug the washer back in.
3. **Run a Short Cycle:** Select the shortest, lightest wash cycle to see if the error has cleared.
4. **Result:** If the E52 code immediately reappears, the issue is hardware-related, and you must proceed to internal inspection.
### Step 2: Check the Motor Wiring Harness
Faulty wires are the second most common cause of motor signaling issues.
1. **Locate the Motor:** Depending on your model (front-load or top-load), you will need to access the rear or bottom of the machine. Tip the machine back or remove the back panel.
2. **Inspect the Harness:** Locate the wire harness that runs directly to the drive motor.
* Check for any signs of damage, pinching, or fraying.
* Ensure the connection plug at both the motor end and the control board end is secure and fully seated. Loose plugs can easily mimic a bad signal.
3. **Inspect for Corrosion:** Look closely at the metal contacts inside the plastic connectors. If they appear wet, rusted, or corroded, they may need to be cleaned or replaced.
### Step 3: Test the Motor (Optional but Recommended)
While E52 usually points to the control board, you should verify the motor itself is not shorted or seized.
1. **Manual Spin:** With the machine unplugged, try to manually spin the washer drum by hand. It should spin relatively freely.
2. **Resistance Check:** If you have a multimeter and know the proper procedure for your specific motor type, you can test the windings for continuity. If the motor is dead or showing a short, it must be replaced.
* *Note:* In most cases involving E52, the motor is fine, but the *signal* sent to or received from it is the issue.
### Step 4: Replace the Motor Speed Control Board (The Most Likely Fix)
If the wiring is intact and the motor spins freely, the **Motor Speed Control Board** (often located near the motor or sometimes mounted within the main frame) is the most probable culprit.
This board handles the power conversion (inverter function) and the tachometer signal monitoring for the motor. A failure here is almost always the direct cause of the E52 error.
1. **Locate the Board:** Identify the Motor Speed Control Board. You may need to remove the main electronic control board housing to access it. *Note: Ensure you purchase the correct part number specific to your Frigidaire model.*
2. **Disconnect:** Carefully disconnect all harnesses and power cables leading into the old board. Take a picture beforehand to ensure correct reinstallation.
3. **Remove and Replace:** Remove the mounting screws or clips holding the old board in place and install the new replacement board.
4. **Test:** Reassemble the machine, plug it in, and run a diagnostic or short test cycle. The E52 error should now be resolved.
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## Call to Action
Check the price for a replacement Motor Speed Control Board here: https://www.amazon.com/s?k=Frigidaire+Motor Speed Control Board&tag=trivian-20