GE Cooktop Error Code FA3

FA3 means the cooktop's control system has detected that Fan2 is not running at the correct low speed. Fan2 is one of the internal cooling fans that protects the induction electronics from overheating. The cooktop may disable itself to prevent heat damage until the issue is resolved. The fault can be caused by a failing fan motor, wiring problems, or a defective control board.

No, it is not recommended to continue using the cooktop while FA3 is active. The cooling fans are essential to keeping the induction electronics at a safe operating temperature. Running the cooktop without proper fan cooling can cause permanent damage to the induction tray components and creates a potential overheating risk.

Repair costs depend on which component is at fault. A replacement cooling fan is typically the least expensive part, while a UI board or induction tray assembly can be significantly more costly. Adding professional labor, total repair costs can range from roughly $100 to $400 or more depending on the specific part needed and local service rates. Getting a diagnostic quote from a technician before authorizing parts replacement is advisable.

Some basic checks, such as inspecting the wiring harness connectors between the UI board and the induction tray for looseness or visible damage, can be performed by a knowledgeable DIYer. However, actually replacing Fan2 or any control board requires disassembling the cooktop, which involves working near high-voltage components. If you are not experienced with appliance repair, this job is best handled by a qualified technician.

A power reset, such as turning off the circuit breaker for 30 to 60 seconds and restoring power, may temporarily clear the FA3 code if it was triggered by a transient signal issue. However, if the underlying cause is a worn fan motor, loose wiring, or a faulty control board, the error will return during operation. A reset alone is not a repair.