Reading and understanding the error codes on your Frigidaire washer can be quite challenging, especially if you don’t have the user manual nearby. Not to worry, though! If you’re experiencing the E75 error code, this guide will have everything you need to know.
The E75 error code on a Frigidaire washer means that the water temperature sensor circuit has failed. The most likely trigger behind this error code is a failed Negative Temperature Coefficient (NTC) Thermistor (a type of temperature sensor), or a faulty electronic control board. Replacing the problematic part will resolve the issue, allowing you to clear the code.
In the following sections, we’ll dive deeper into the possible causes for this error code and the solutions you can use to resolve them.
What The E75 Code Means On A Frigidaire Washer?
On a Frigidaire washing machine, the E75 error code means that the water temperature sensor circuit has failed. The water temperature sensor that this code refers to is the NTC Thermistor, which is a part of the water inlet valve assembly.
What Is The NTC Thermistor?
The Negative Temperature Coefficient (NTC) Thermistor is a temperature sensor that’s built into the water inlet valve assembly. As the name suggests, this sensor is designed to measure the temperature of the incoming water flow into the washer.
As the NTC Thermistor detects the water temperature, it’ll communicate that information to the electronic control board. From there, the washer can then decide whether or not the water is at the correct temperature based on the wash program you’ve selected.
For example, if the water isn’t hot enough, the washer will then turn on its heating element to raise the temperature as needed.
Possible Causes And Solutions
The most likely triggers for the E75 error code are a failed temperature sensor and a faulty electronic control board. Unfortunately, neither of these parts can be repaired. So, whichever one is causing the E57 error code to appear must be replaced entirely.
Let’s take a closer look at each part and the purpose they serve your Frigidaire washing machine.
Failed Temperature Sensor (At The Water Inlet Valve Assembly)
What it is: The temperature sensor located in the water inlet valve assembly is the Negative Temperature Coefficient (NTC) Thermistor. This sensor is typically made of ceramic material. That material helps the sensor to continuously measure the temperature of the water that flows into your washing machine.
The NTC Thermistor measures temperature with the help of electrical resistance. As the temperature increases at the sensor, its resistance decreases. As a result, it sends a stronger signal to the washer’s electronic control board.
On the other hand, when the NTC Thermistor detects a lower temperature, its resistance will increase.
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In both cases, the electronic control board on your Frigidaire washer will interpret the signals and understand the exact water temperature.
How it fails: The NTC Thermistor can fail due to an internal fault, heat damage, or excessive wear.
For example, the resistor element and lead material inside the NTC Thermistor might have physically separated from each other. When that happens, the sensor can no longer react to heat like it’s designed to.
Besides that, excessive heat can also cause damage to the sensor as well. Remember: the sensor’s materials were chosen because they are sensitive to heat and can provide an accurate temperature reading.
However, repeated exposure to excessive heat can damage the sensor and prevent it from working correctly.
Lastly, excessive wear could also be the culprit here. That’s especially true if your Frigidaire washer has been in use for many years. Simply put, the sensor stops working correctly when it’s been used for far too long.
How to fix it: In this case, the temperature sensor must be replaced. Unfortunately, the temperature sensor cannot be replaced on its own like most other components. That’s because it’s built into the water inlet valve assembly. As such, you’ll have to replace the entire assembly to fix this issue.
The water inlet valve assembly is located inside your washer towards the rear of the frame. You can identify it quickly as it’s the only washer component attached to the incoming water supply hose.
Firstly, remove the washer’s top or back panel to access the water inlet valve assembly. From there, remove all hoses attached to it and remove its electrical wiring.
Once there’s nothing connected to the assembly, you can unthread the screws that mount it to your washer’s frame. Then, finally, remove that assembly and mount the new one in its place.
Lastly, work your way backwards: replace the electrical connectors and wire hoses, and replace the panels you removed earlier.
Electronic Control Board
What it is: The electronic control board controls all of your Frigidaire washer’s functions. It consists of a small printed circuit board with lots of tiny electronic components. Each of those components is connected to a different part of the washer, sending power and signals to them as needed.
For example: when you select a wash program, the electronic control board will ensure that the fill, spin, drain, and other cycles are carried out at the correct time. In a way, you can think of the control board as the washing machine’s brain.
When it comes to the E75 error code, in particular, the affected components are the ones related to the NTC Thermistor and the water temperature sensor circuit as a whole.
How it fails: The electronic control board will most likely fail due to an electrical fault, like a power surge or a short circuit. These faults will cause the board’s components to burn and stop working correctly.
In the case of the E75 error code, it’s most likely that the components related to the water temperature sensor circuit are the ones that were affected.
How to fix it: The electronic control board is not repairable. That means you can’t replace the tiny electronic components that have failed. Instead, you must replace the whole board with a new one.
The electronic control board is located within the washer’s body and in a housing that protects it from heat or water damage. As such, you’ll need to remove the washer’s top panel to access the inside and locate the housing.
Once you’ve found it, take note of the many electrical connections (like wire harnesses) attached to it. You must replace those harnesses on the new board the same way.
Next, disconnect those connectors and unthread the screws that hold the board in place. Then, mount the new board the same way and reconnect all of the electrical connections.
How To Clear The E75 Code On Your Frigidaire Washer?
You can clear the E75 error code on your Frigidaire washer by resetting the washing machine . However, you must first resolve the root cause of the issue by following the troubleshooting steps listed above. Without doing that, the error code will likely persist or return sometime soon.
Once you’ve fixed the root cause, you can then reset your Frigidaire washing machine following the steps below.
How To Reset A Frigidaire Washer?
Resetting your Frigidaire washer only takes three steps:
- Disconnect: Firstly, you must disconnect the washing machine from its power source entirely, whether that means pulling the plug out of the socket or shutting off the dedicated circuit breaker.
- Wait: Next, wait for at least one minute. You’ll need to give the machine time to discharge any electricity it still has inside. When that happens, the washer’s memory will clear, and the error code along with it.
- Reconnect: Once that one minute is up, you can reconnect the washing machine to its power source and use it like you usually do. At that point, your washer has been reset, and you can continue using it as usual.
How To Test Your Frigidaire Washer After Fixing It?
Once you’ve fixed and reset the washer, you’ll want to test it thoroughly. One helpful method for doing that is to run a complete wash program to see if any other errors appear.
You can save some time with this approach by selecting the shortest wash program available on your Frigidaire model.
However, for a more thorough test, you can enter the machine’s diagnostic mode instead.
How To Enter Diagnostic Mode And Read Error Codes On Your Frigidaire Washer?
Firstly, you’ll need to press three buttons simultaneously to enter the machine’s diagnostic mode. Those buttons are Power, Soak, and Extra Rinse. When done correctly, the lights on the washer’s display will begin flashing.
Once in the diagnostic mode, you can select the test you’d like to carry out by pressing the corresponding button. They are:
- The Soil Level button to run the Wash Test
- The Temp button to run the Spin Test
- The Fabric Softener button to run the Water Valve Test
- The Delay button to run the Auto-Sensing Test.
- The Power button to end any current test before beginning another one.