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MODEL OVERVIEW
About this model: Frigidaire FRFN1801AF
FRFN1801AF is Frigidaire's compact French-door refrigerator with a flipper mullion and interior LED panel. Its linked owner guide documents six sensor and communication codes.
Identifying this compact French-door refrigerator
FRFN1801AF is the stainless Frigidaire model with two upper fresh-food doors and a freezer drawer below. Its exact specification calls the layout French door and gives 18.4 cubic feet of total storage: 12.8 in the fresh-food compartment and 5.6 in the freezer. The 18-cu-ft marketing label is rounded; use the detailed figure when comparing cabinets. Its width is 29½ inches and its height including the hinge is 66⅗ inches, but door movement matters as much as those dimensions. Both upper doors need space to swing, while the freezer drawer needs forward clearance. Check the whole route from delivery entrance to installation niche, then leave the air gaps specified in the owner guide. This is a different cabinet from the similar-width FRBE bottom-freezer with a single upper door.
The six refrigerator door bins are a defining feature here: four adjustable bins take gallon containers and two are fixed. Inside are two adjustable glass shelves, one fixed shelf, and two crispers. The freezer has two drawers and automatic defrost. The exact sheet states 465 kWh estimated annual use, ENERGY STAR certification, garage readiness, and a single-evaporator cooling system. It shows no fitted ice maker, water dispenser or water filter; ice-maker readiness concerns an optional accessory. The product page also describes CrispSeal crispers and edge-to-edge glass shelving. Those details can guide how food is arranged, but they do not change what an E-code means. Record the full model suffix before consulting any instructions for a nearby two-door or four-door Frigidaire.
The center seal and interior control
The owner's illustration separates the three-door layout from the two-door alternative. On the French-door arrangement, the flipper mullion folds between the upper doors. The installation page says it should meet its guide correctly and stay folded perpendicular to the fresh-food door; a mispositioned guide may prevent complete closure. If a door alarm sounds or temperatures drift, inspect this center seal and remove a package blocking either door. Check the door gasket as well. The guide calls for a level, firm floor and states minimum installation clearances of ⅜ inch at the top and sides and 2 inches behind. Those spaces help circulation; do not pack a narrow recess tightly around the cabinet. If door alignment or hinge work is needed, note the manual's warning that doors are heavy and removal is a two-person task.
The temperature panel is at the top center of the fresh-food area, behind the upper doors. The model sheet confirms a digital display, door-ajar alert and power-failure alert. The owner's panel diagram labels an Alarm/Power key, a power light, separate Fridge and Freezer keys, and numbered temperature indicators. Refrigerator choices shown are 46, 39 and 35°F; freezer choices are 3, −2 and −11°F. Give a newly installed unit up to 24 hours to settle before treating a slow temperature change as a fault. A door left open for at least 120 seconds triggers the buzzer; close it and press any key to reset the alarm. Holding Alarm Off for three seconds enters standby, which switches off functions and display while power remains connected.
Six faults in the linked owner guide
The manual's Errors table applies to this control design and explains that the refrigerator may keep operating despite a fault. E1 identifies the refrigerator temperature sensor and flashes indicator 4 or 5. E2 is the freezer temperature sensor, with indicator 1 or 5. E5 is the freezing frost sensor, with indicator 3 or 5. These rows describe component faults rather than setpoints or reminders. If the cabinet is warming, safeguard perishable food and document the complete flashing pattern. Because a single indicator number recurs in several rows, reporting only “light 5” is ambiguous. The general troubleshooting table directs a digital temperature error to a Frigidaire service representative who can interpret the display; it does not provide a home sensor-replacement procedure.
E6 is a communication failure and flashes indicator 2 or 4. E7 is printed as a “ring temperature error” with indicator 2 or 5; the guide does not explain what “ring” identifies, so avoid naming a replacement part from that label alone. EH means humidity sensor error and uses indicator 1 or 4. A photo of all flashing indicators is useful when arranging service. The door alarm, power-failure alert and Sabbath or standby states are separate from these six malfunction codes. The guide describes how Sabbath Mode disables parts of the controls, lighting and sounds, while the product sheet confirms that this exact model offers it. If the display is unexpectedly quiet or dark, note the operating mode before concluding that E6 has occurred.
Practical checks tied to this cabinet
Long compressor operation can be normal for the variable-speed system described in the troubleshooting section, especially after defrost. Warm food, however, needs attention even if a fault code is not visible. Check that both French doors meet the center mullion, that food does not obstruct the air ports, and that the temperature sensor on the right side of the fresh-food compartment is clear. The owner guide says food within one inch of an air port may freeze. A warm side beside a closed door or frost around a gasket may therefore be an airflow or closure issue, while a persistent E-code still warrants professional diagnosis. Keep those observations separate when you call.
If the panel and compressor appear off, verify the plug and household breaker, then consider whether standby was selected. Do not pull on the power cord or use an extension lead; the safety pages require a grounded outlet. For a service request, provide FRFN1801AF, the full code or blink combination, whether both doors close against the flipper mullion, and the temperature trend. Use the exact product sheet for capacity and equipment. It lists neither a built-in water dispenser nor an installed ice maker, so troubleshooting either as standard hardware would send the repair in the wrong direction.
Verified model details
Exact 18.4-cu-ft French-door cabinet
Source for this detailCenter flipper mullion and interior digital panel
Source for this detail · Source page: 11E1, E2 and E5 sensor faults
Source for this detail · Source page: 17E6, E7 and EH communication or sensor faults
Source for this detail · Source page: 18
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
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Frigidaire 18 Cu. Ft. Standard-Depth French Door Refrigerator Stainless Steel-FRFN1801AF
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.