Frigidaire Dishwasher Fan Replacement Guide

The model prefix is the quickest tell, so start there:

If MaxBoost is not listed among your model's features, there is no fan to service, and wet dishes trace to rinse aid, water temperature, or loading instead.

How MaxBoost works#

The MaxBoost fan is a small DC blower behind the upper rear tub wall. During the dry phase only, the board runs the fan and the heating element together: the fan pulls air through a filtered intake, blows it across the element, and circulates the heated air through the tub. That forced circulation is what dries plastics, which never hold enough heat for condensation drying to work on them. If wash performance is fine but dishes come out wet, the fan or its control relay is the suspect.

Symptoms of a failed MaxBoost fan#

• Dishes wet after a full cycle, plastics worst — the element alone cannot dry them without airflow
• No sound of air movement during drying — crack the door near the cycle's end; silence means a dead motor or no power from the board
• The fan starts, then stops — seizing bearings overheat the motor and open its thermal protector, and it repeats as it cools
• Rattling only during drying — a loose or cracked blade on the blower wheel striking the housing

Testing and replacing#

Enter diagnostic mode (press Start/Cancel three times, then Start) and listen during the heat/dry test. If there is no fan noise, pull the unit out enough to reach the rear panel, unplug the fan connector, and probe the motor: a healthy winding reads about 20 to 80 ohms, and an open circuit means it is burned. If the motor tests good but never spins, the fault is the board relay that powers it, not the fan. To replace, cut power at the breaker, remove the rear access panel, unplug the two-pin connector, remove the two or three mounting screws, fit the new module, and rerun diagnostic mode to confirm it runs during the dry test.

No MaxBoost? Improve drying instead#

On a standard FFID model the element does the drying, so if dishes stay wet: select Heated Dry if your model offers it, keep the rinse-aid dispenser full so water sheets off rather than beading, crack the door open a couple of inches right after the cycle to let steam escape, and avoid overloading so air can reach every surface. A genuine MaxBoost fan often cross-references to an Electrolux part at roughly 10–15% less, so search both when you do need one — but a standard tub simply has no place to mount a fan or wire it in.

Loading, auto-open, and the standard-model reality#

Even with a working fan, how you load the machine decides the result: dishes need air space between them for either drying method to work, and plastics do best on the top rack where the heated air reaches them. Some Gallery models add an auto-door-open feature that cracks the door at the end of the cycle to vent steam automatically — if yours has it, leave it enabled, and if it does not, do the same by hand. It bears repeating that a standard FFID machine is not broken when dishes come out damp; it was engineered for passive condensation drying, which is quieter and more efficient but genuinely slower and weaker on plastics than the MaxBoost forced-air system. Matching your expectations to the drying method your model actually uses saves a lot of needless part-hunting.