Fisher & Paykel Dishwasher Error Code F70

F70 indicates a fill valve high current fault. The motor controller has detected that the electrical current to the fill valve solenoid is higher than normal, which causes the dishwasher to stop running. This is typically caused by corroded wiring connectors, a damaged harness, or a shorted solenoid coil. The machine shuts down to prevent damage to the control electronics.

No, you should not continue operating the dishwasher with an active F70 fault. A high current fault in the fill valve circuit indicates a potential electrical problem that could worsen with continued use. Running the appliance under these conditions risks further damage to the motor controller or wiring, and in cases involving arcing, there is a fire hazard.

Repair costs vary depending on the component that needs replacing. A replacement fill valve solenoid typically costs in the range of $30 to $80 for the part, while a motor controller replacement can range from $100 to $250 or more. Adding a technician service call and labor will bring total repair costs higher, generally somewhere between $150 and $400 depending on what is required.

A knowledgeable DIYer can perform the initial diagnostics, including visually inspecting the harness connectors at the fill valve and motor controller for corrosion or arcing, and testing the solenoid coil resistance with a multimeter. However, if the motor controller needs replacement or wiring repairs are extensive, a qualified technician is recommended. Always disconnect power to the appliance before inspecting any electrical components.

A power reset may temporarily clear the fault display, but the F70 code will return if the underlying electrical problem has not been resolved. Resetting without addressing the cause does not fix the issue and could allow a damaging high current condition to repeat. The root cause must be diagnosed and corrected before the error will stay cleared.