Fisher & Paykel Refrigerator Error Code 18

Error code 18 means the evaporator fan is rotating slower than expected, or not at all. The control system monitors fan speed and triggers this code when the fan fails to meet its minimum RPM threshold. The cause is either an open circuit in the fan wiring or a faulty fan motor. In some cases, the power/control module or display module can also be responsible.

Continuing to run the refrigerator with error code 18 active is not recommended for food safety. The evaporator fan circulates cold air throughout the compartments, and if it is not running properly, temperatures may rise to levels where food spoilage or bacterial growth becomes a risk. Perishable items should be moved to another refrigerator until the fault is resolved.

A reset may temporarily clear the error code from the display, but it will return if the underlying fault is not corrected. Error code 18 is triggered by an active hardware condition, specifically the fan not meeting its minimum speed requirement. The fan wiring, fan motor, and control modules need to be inspected and repaired or replaced to permanently resolve the fault.

A knowledgeable DIYer can check the evaporator fan wiring and connectors for visible damage, corrosion, or loose connections, and verify that the fan blade spins freely without obstruction. If those checks pass, replacing the power/control module or display module typically requires comfort with appliance disassembly and electrical components. If you are not confident working with refrigerator internals, a qualified technician is recommended.

Repair costs vary depending on which component is at fault. An evaporator fan motor replacement typically falls in the range of $100 to $250 including parts and labor. If the power/control module or display module needs replacement, costs can range from $150 to $400 or more depending on part pricing and labor rates in your area.