Fisher & Paykel Fisher & Paykel DD24DAX9 24-Inch Double DishDrawer Dishwasher with SmartDrive Technology F4 Error Fix: Thermistor (Temperature Sensor) Fault

Error code F4 on the Fisher & Paykel Fisher & Paykel DD24DAX9 24-Inch Double DishDrawer Dishwasher with SmartDrive Technology means: Thermistor (Temperature Sensor) Fault. The temperature sensor is reading outside its normal range or has an open/short circuit — the thermistor may be faulty or its wiring may be damaged; this prevents the DishDrawer from accurately controlling water temperature; the thermistor is located near the heating element and may need replacement

The most successful fix is "Replace Faulty Thermistor Sensor Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace Faulty Thermistor Sensor Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Needle-nose pliers.

DIY cost: $15-$25. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

The Fisher & Paykel Fisher & Paykel DD24DAX9 24-Inch Double DishDrawer Dishwasher with SmartDrive Technology has 8 other known error codes, including: DISHES-DIRTY (Dishes Not Getting Clean), DOOR-SEAL-LEAK (Door Seal Leaking), DRAWER-STUCK (Drawer Will Not Open or Close Properly), F1 (Flood Switch Activated (Water Leak)), F2 (Water Fill Timeout), and 3 more.

Error code F4 also appears on 1 other Fisher & Paykel model: Fisher & Paykel DD24DCTX9 24-Inch Double DishDrawer Dishwasher with Extra Dry and SmartDrive. The fix may vary by model, so check each model's specific page for tailored repair steps.