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Error code reference

Frigidaire Refrigerator Error Code E7

Combination ambient temperature/humidity sensor failure

Frigidaire codesFrigidaire refrigerator codes
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What the E7 error code actually means

Your Frigidaire refrigerator is displaying E7 because it cannot get a proper reading from a small sensor mounted near the top hinge that monitors the temperature and humidity in the room around the fridge. This usually means there is a loose or corroded wire connection at that sensor, though the sensor itself could also be faulty. The fridge has detected a problem with this sensor and is alerting you so the issue can be corrected.

Diagnostic procedure

The full E7 procedure

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1
First diagnostic step
Check the status and connections of the temperature/humidity sensor on top hinge cover (CN2)
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Most common causes of E7

Ranked by how often they cause this code
  1. 1Loose or disconnected CN2 connector
  2. 2Corroded or damaged terminal pins
  3. 3Damaged wiring harness
  4. 4Failed ambient temperature and humidity sensor
  5. 5Faulty control board

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Questions people ask about E7

What does E7 mean on a Frigidaire refrigerator?
The E7 code indicates a problem with the combination ambient temperature and humidity sensor, specifically at the sensor terminals on the top hinge cover connector CN2. The control board has detected an abnormal or absent signal from this sensor circuit. This can be caused by a loose connection, corroded terminals, damaged wiring, or a failed sensor.
Is it safe to keep using my refrigerator while the E7 code is showing?
The E7 fault relates to an ambient monitoring sensor rather than the core refrigeration system, so your food may remain cold in the short term. However, without accurate ambient readings, the refrigerator may not adjust its operation correctly for the surrounding environment, which could affect efficiency and performance. It is best to diagnose and resolve the fault as soon as reasonably possible.
Will resetting my Frigidaire refrigerator clear the E7 code?
A power reset may temporarily clear the E7 code from the display, but if the underlying sensor connection or component fault is still present, the code will return once the control board rechecks the circuit. A reset is useful to confirm whether the issue is intermittent, but it does not fix the root cause. The sensor connection and wiring at CN2 should be inspected and corrected to prevent the code from recurring.
How do I fix the E7 error on my Frigidaire refrigerator?
Start by locating the ambient temperature and humidity sensor on the top hinge cover and inspecting the CN2 connector. Disconnect and firmly reseat the connector, checking for any bent, corroded, or damaged pins. If the connection looks clean and secure, inspect the wiring harness for damage and test the sensor itself for proper continuity and resistance. If the sensor has failed, it will need to be replaced.
How much does it cost to repair an E7 error on a Frigidaire refrigerator?
If the fix is simply reseating a loose connector, there is no parts cost and only minimal labor time involved. Replacing the ambient temperature and humidity sensor typically costs somewhere in the range of $20 to $80 for the part, with additional labor costs if a technician performs the repair. A control board replacement, if needed, would be a more significant expense in the range of $100 to $300 or more depending on the model.

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