MODEL PROFILE
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Error codes and display signals
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MODEL OVERVIEW
About this model: Frigidaire FRQG1721AV
FRQG1721AV is a counter-depth, four-door Frigidaire refrigerator with a vertical control display and seven actual E-series fault labels in its linked owner guide. Its exact specification lists no ice maker, water filter or air filter.
Identifying the four-door FRQG1721AV
FRQG1721AV is the Frigidaire four-door, counter-depth French-door refrigerator with a slim vertical display on the upper door. Its exact sheet specifies 17.4 cubic feet in total, divided into 11.9 cubic feet of fresh-food space and 5.5 in the freezer. At 32 13/16 inches wide, it occupies a different footprint from Frigidaire's larger internal-water models. The lower section has two separate doors, four freezer bins and two freezer drawers; the upper section has two crisper drawers and six door bins. Those physical details make it possible to match the shared owner guide to this precise cabinet.
The specification confirms a dual-evaporator cooling system and a digital display with control lock and Vacation Mode. It explicitly says there is no ice maker. It also lists no water filter or air filter, so advice about resetting dispenser cartridges from another Frigidaire refrigerator would mislead owners of this one. The 507-kWh annual energy estimate belongs to this exact model, while the sheet marks ENERGY STAR certification as No. Use the FRQG1721AV suffix when searching for parts or a manual: an E1 printed for another four-door appliance is not automatically the same diagnostic statement.
Using the vertical temperature controls
The owner drawing shows Ref. Temp, Frz. Temp, Modes and a Lock key held for three seconds. Ref. Temp cycles the selected fresh-food temperature from 44°F down to 34°F and then loops back; Frz. Temp cycles from 7°F down to −7°F. The recommended kitchen settings are 37°F for fresh food and 0°F for the freezer. Lock prevents accidental changes, and the manual says the system can lock itself after 30 seconds without key or door activity. A dim or locked display therefore needs to be understood before treating an unchanged setting as a fault.
Modes rotates through Quick Chill, Quick Freeze, their combined state, Vacation and None. Quick Chill temporarily selects 34°F for the fresh-food compartment and normally ends after two and a half hours. Quick Freeze temporarily selects −7°F in the freezer and defaults to six hours; the guide also explains how to choose six or 48 hours. The previous set temperature returns when these modes finish. Vacation chooses 37°F and about 0°F. These named operating modes are deliberate settings, unlike the fault labels on page 10. If the display shows unusual numbers, first note whether a temporary mode is active and whether the control is locked.
What E1, E2, E4 and E5 describe
When the control detects a fault, the owner guide says a code replaces the ordinary temperature display; the lit display turns off after about 30 seconds. E1 is labelled failure of the fresh-food temperature sensor; E2 is failure of the freezer temperature sensor. E4 names the fresh-food defrost sensor, while E5 names the freezing and defrosting sensors. These are the manufacturer’s displayed fault descriptions, not readings that the user can infer from a warm shelf or a cycling compressor. Write down the exact characters while the code is visible, along with the compartment temperatures and any current mode.
The distinction between E4 and E5 is worth preserving. E4 refers specifically to a defrosting sensor in the fresh-food compartment; E5 covers freezing and defrosting sensors in the wording of this particular guide. The manual does not give a do-it-yourself component test, a wiring diagnosis, or a reset that proves the fault is fixed. A user can check whether the doors close and whether food blocks vents, but those observations do not change what the code text says. If the same fault returns, the recorded display and full model identifier give qualified service a useful starting point.
What E6, E7 and EH describe
The remaining three entries describe different systems. E6 is communication failure, E7 is failure of circulating temperature, and EH is humidity sensor failure. The wording for E7 is unusual, so it should be kept close to the manual rather than silently changed to a different sensor name from another model. Likewise EH begins with a letter H, not the digit eight. None of these entries gives a part number or authorizes a specific repair. A photograph of the lit display can preserve the exact letters when the code is visible only briefly.
The manual separately describes a five-minute door-ajar sound for either fresh-food door and explicitly says freezer doors do not trigger that alarm. This audible reminder is not one of the seven E-series faults. The display can turn off or lock during normal use, and an initial start-up alarm lasts while the controls become operational. Those ordinary behaviors can occur without a coded component failure. If the door alarm persists, check the center flipper mullion and packages near the upper doors; if an E code appears, preserve that separate fact instead of relabeling a door reminder as a sensor fault.
Door closure, airflow and service context
The installation page says the flipper mullion should meet its guide and sit perpendicular to the fresh-food door; poor alignment can prevent complete closure. The troubleshooting table likewise mentions a package in the doorway, an unlevel cabinet and a misplaced mullion when a door will not close. The guide warns not to block the air ports or place food within one inch in front of them, because nearby items may freeze. These are useful owner checks if temperature seems uneven, especially in a four-door cabinet where the upper and lower openings are handled separately.
The freezer’s four bins and two drawers help separate packages, but the food-storage page still asks for space between them so cold air can circulate. Glass shelves can be moved for the fresh-food load; let them reach room temperature before washing and do not put them in a dishwasher. Clean spills promptly and avoid chloride or bleach on stainless surfaces. These actions maintain the cabinet without pretending to clear E1, E2, E4, E5, E6, E7 or EH. For a persistent displayed code, give service the exact FRQG1721AV model and code, plus the relevant page of the manufacturer’s guide.
Verified model details
The owner panel documents E1, E2, E4, E5, E6, E7 and EH on the exact model’s display.
Source for this detail · Source page: 10The fresh-food door alarm sounds after five minutes; freezer doors do not trigger that alarm.
Source for this detail · Source page: 10The 17.4-cu-ft four-door cabinet has dual evaporators, four freezer bins and no ice maker.
Source for this detail
This description summarizes the linked source documents; check each cited source for your exact model and region.
Manufacturer source
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Frigidaire 17 Cu. Ft. Counter-Depth 4-Door Refrigerator Fingerprint-Resistant Stainless Steel Look-FRQG1721AV
Open official sourceIf there is a safety risk, stop using the appliance and follow the manufacturer’s instructions.