Dacor Range, Oven, Cooktop Error Code FA

The FA code actually appears on Dacor third-generation dishwashers, not on ranges, ovens, or cooktops. It signals a turbidity sensor fault, indicated by L1 and L5 flashing at the same time. The turbidity sensor monitors wash water clarity, and when it malfunctions or cannot get a valid reading, the machine defaults to assuming the water is heavily soiled. This can cause the dishwasher to run longer or less efficiently than usual.

The FA code does not indicate a safety hazard. It is a functional fault related to the water clarity sensing system. The dishwasher will continue to operate but will assume maximum turbidity, which means cycles may run longer or use more water than necessary. It is best to diagnose and repair the issue to restore efficient operation, but the condition is not dangerous.

Repair costs depend on what is causing the fault. If the issue is simply clogged filters or sensor contamination, you may be able to resolve it yourself at little to no cost beyond cleaning supplies. If the turbidity sensor needs to be replaced, parts and labor costs can range from around $100 to $300 or more, depending on your location and the service provider. Getting a diagnostic estimate from an authorized technician is the best way to confirm the total repair cost.

Start by cleaning all filters and checking the drain system for blockages, as these are the most common and easiest issues to address. Next, locate the turbidity sensor and inspect it for mineral scale, grease, or detergent buildup, and clean the sensing surface carefully. If those steps do not clear the fault, evaluate your home's water quality for very high hardness or particulate levels. If the sensor itself has failed, it will need to be replaced by a qualified technician.

A power reset may temporarily clear the FA code display, but if the underlying problem with the turbidity sensor, filters, drain system, or water quality is not addressed, the fault will return. Resetting the unit is useful for confirming whether the fault is intermittent, but it is not a substitute for proper diagnosis and repair.