Hi, It means that there is a fault in the heating circuit and the heater is not working
The listed site deals with this problem so take a look and if you are fully capable of testing, follow the troubleshooting instructions but always double check that the unit is unplugged or disconnected from the electrical supply.
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https://www.whirlpool.com/...error-code...w... Whirlpool Home AppliancesCheck the following answers for error-code related issues you can correct: ... Duet SportTMwasher - F01, F11, F23, F24, F27, F28, F29, F30, F31, and F33.
Pressure switch failure
Should the main electronic control unit detect that the wash level contact (or level) is on and the switch level for wash heater safety is off for any more than ten seconds during a wash this error code will be displayed.
Resetting the program may clear this error but unlikely.
Check the pressure switch or sensor for operation and electrically
Check the wiring from the main electronic control card to the level sensor
Check all connectors between the main controller and pressure switch
Run test program
Also see F08 and F12 as heater failure can cause this error to occur
The meaning of the code depends on the machine's manufacturer.
On Siemens built machines (Siemens, Electrolux, hotpoints etc.) F23 Means that there is overflow and anti flood device has been activated. In this case:
Disconnect power. Remove all water at the base of the machine. Take off the rear panel, or access the drain pump from front door(depends on model). Check drain hose height and check hose connected to drain pump. Connect power back. If problem does not clear after connecting back, replace pressure switch.
With Wirlpool built machines instead (Whirlpool, Maytag, Kenmore etc.) f23 means there is a communication within the CCU and the MCU.
CCU is the main control module (central control unit), and MCU is the Motor Control Unit. MCU is a sealed module located deep inside the appliance, and connected on one side to the motor, and on the other to the CCU. Testing F23 on a Whirlpool is more difficult and requires a technician. In this case all you can do is disconnecting power, if error does not go away call the service number listed on manual.
HOW TO FIX WHIRLPOOL WASHER F23 ERROR CODE
What does F23 mean on whirlpool washer? It means there is a heater failure. If the water temperature in the washer fails to reach 86 degrees or higher then the washer will give the F23 error code. To fix the whirlpool washer f23 error follow the steps listed below.
Note: Some models do not have a heater as shown below, some models just have a temperature sensor. If your model does not have a heater just skip to checking the temperature sensor.
First unplug the washer.
Check the wiring to the heating element make sure its not burned, broken or corroded.
Check the heating element for continuity of course if it does not have continuity then replace the element.
Check the water temperature sensor wiring for corrosion or breaks.
Remove the wiring harness from the temperature sensor and measure the resistance of the sensor. Refer to the chart below and if its out of range replace the sensor.
F23 codes indicates an electronics communication problem with the washerThe following list of codes indicates an electronics communication problem with the washer.
To remove the error display, press Pause/Cancel twice.
If Pause/Cancel does not work:
Unplug washer or disconnect power for one minute.
Plug in washer or reconnect power.
Re-select the cycle and press Start.
NOTE: If the error remains on the display, then call for service