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Error code reference

Fisher & Paykel Washer Error Code 10

Temperature sensor (thermistor) may be open circuit or ambient temperature is below -10°C (50°F)

Fisher & Paykel codesFisher & Paykel washer codes

Temperature sensor (thermistor) may be open circuit or ambient temperature is below -10°C (50°F). Applicable to Intuitive Washer and GW models.

First step from the service manual

Replace Thermistor.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What 10 means on a Fisher & Paykel washer

Error code 10 on Fisher & Paykel Intuitive Washer and GW models indicates a fault with the temperature sensor, also called a thermistor. The thermistor is a resistive sensor mounted in the wash tub that monitors water temperature throughout the cycle. When the control board detects an open circuit condition in the thermistor circuit, meaning it reads no signal or an out-of-range resistance value, it logs error code 10 and halts normal operation. An open circuit typically means the sensor itself has failed internally, or the wiring connecting it to the control board has become broken or disconnected.

A second scenario that triggers this code is ambient temperature falling below -10 degrees Celsius (14 degrees Fahrenheit). At extremely low temperatures, the thermistor's resistance can shift to a value that the control board interprets as an open circuit, even if the sensor is physically intact. This is worth considering if the washer is installed in an unheated garage or utility space in a cold climate during winter months.

Diagnosis begins with inspecting the thermistor and its wiring harness. Check the connector at the thermistor for corrosion, looseness, or broken pins. If wiring appears intact and the installation environment is not unusually cold, the thermistor itself is the most probable faulty component. Fisher & Paykel's recommended first diagnostic step is direct replacement of the thermistor, as testing and replacement of this part is straightforward for a qualified technician.

Source: manufacturer service documentation.

Common causes of 10

  1. 01

    Failed thermistor (open circuit)

    Part replacement

    The thermistor itself has failed internally, breaking the circuit and preventing any temperature signal from reaching the control board. This is the most common cause and replacement of the thermistor is the primary recommended fix.

  2. 02

    Loose or disconnected wiring connector

    Wiring / connection

    The wiring harness connector at the thermistor may have vibrated loose or pulled free from its socket. Inspect the connector for proper seating and any signs of pin damage or corrosion.

  3. 03

    Broken wire in the thermistor harness

    Wiring / connection

    A wire in the harness running from the thermistor to the control board may be broken or chafed, creating an open circuit. Carefully trace the harness and flex each wire to check for hidden breaks.

  4. 04

    Ambient temperature below -10 degrees Celsius

    Wiring / connection

    If the washer is installed in an unheated space during cold weather, extremely low ambient temperatures can cause the thermistor to read outside its normal range. Warming the installation area may resolve the code without any parts replacement.

  5. 05

    Corroded thermistor connector

    Wiring / connection

    Moisture exposure can cause corrosion on the thermistor connector pins, increasing resistance in the circuit to the point where the board reads it as open. Inspect the connector closely for green or white oxidation deposits.

See the test procedure for each cause

Frequently asked questions about 10

What does 10 mean on a Fisher & Paykel washer?
Error code 10 on a Fisher & Paykel washer indicates a problem with the temperature sensor, known as the thermistor. The control board has detected an open circuit in the thermistor, meaning it is receiving no valid temperature reading. This applies to Intuitive Washer and GW model ranges. The most common fix is replacing the thermistor.
Can I fix error code 10 myself on a Fisher & Paykel washer?
A knowledgeable DIYer can start by checking the thermistor wiring harness for loose connections, broken wires, or corrosion at the connector. If the wiring is intact, the thermistor will need to be replaced, which involves accessing the component inside the machine. If you are not comfortable working inside a washing machine, a qualified technician is recommended.
Is it safe to use my Fisher & Paykel washer when error code 10 is displayed?
It is not advisable to continue running the washer with error code 10 active. Without a functioning thermistor, the machine cannot accurately monitor water temperature, which could lead to improper wash performance or potential overheating of the water. Address the fault before resuming normal use.
Will resetting my Fisher & Paykel washer clear error code 10?
A reset may temporarily clear the code, but it will return as soon as the machine attempts to read the thermistor again and finds the same open circuit condition. The underlying cause, either a failed thermistor, a wiring fault, or a very cold environment, must be corrected for the code to stay resolved.
How much does it cost to repair error code 10 on a Fisher & Paykel washer?
If only the thermistor needs replacement, the part itself is typically inexpensive, with costs generally ranging from around $15 to $50 depending on the supplier. Adding professional labor, a service call for this repair could range from $100 to $250 in total. If the issue turns out to be a wiring fault with no damaged parts, the cost may be limited to diagnostic and labor fees only.

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