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LG Refrigerator Error Codes might help you to solve your problem:

  1. Error Code 0 FF

    • Sometimes an LG refrigerator will display an error code of "0 FF." This is not an error code in the normal sense. This message simply indicates that the unit is in "demo mode." On a front display refrigerator, the problem can usually be resolved by pushing the "refrigerator" and "ice plus" buttons simultaneously for 5 to 10 seconds with the refrigerator door open. Top-mounted refrigerators have the same fix but only the light switch needs to be held and only for about 5 seconds.

    Error Code Er IF

    • All of the codes that indicate malfunctions or similar problems will be shown with an "Er" on the digital display. The LG refrigerator "Er IF" error code is the "Icemaker Fan Error" message. This error code indicates a problem with the fan that controls the unit's ice production. If this problem occurs because of ice buildup, unplugging the unit for 3 to 4 hours and allowing it to thaw may fix the issue. Service required by pro Techs. call us 1-805-994-9588

    Error Code Er FF

    • This code is not to be confused with the O FF or demo modeThe "Er FF" error code that means that sa problem with the unit's freezer fan or computer board. The freezer fan controls the temperature in the freezer. The Computer Board Also controls the Fan circulation. The source of this error is most likely ice buildup. As with the Er IF error, allowing the unit to thaw should resolve the issue. Contact customer service if the error code continues to be displayed after having thawed the unit.

    Error Code Er RUS

    • The "Er RUS," or Freezer Sensor Error, is most likely caused by a short or a cut somewhere in the unit's circuitry. Sometimes unplugging the unit for a few minutes will reset the system and remove the error code. Customer service should be contacted if the problem persists.

    Error Code Er ds

    • The LG refrigerator will display an "Er ds" error code if it detects a problem with the defrost sensor. Again, this error message probably denotes a cut or short somewhere in the system. Attempting to reset the system by unplugging the unit may fix the problem. If the problem persists, customer service should be contacted.

      Error Code Er CO

      • The LG refrigerator may display a Communications Error message ("Er CO") in the event of a short or other malfunction associated with communication between the main circuit board and the display. While attempting a system reset is an option, customer service will most likely need to be contacted in order to provide a permanent solution.

        Error Code "ER dH"

    • The "Er dH," also known as the Defrost Heater Error message, is displayed when the unit fails to reach 46ยบ F within 2 hours of beginning its defrost cycle. This may be an indication of the defrost heater having broken or the temperature fuse having been pulled out of its slot. 

    Error Code Er CF

    • The unit will receive signals from the DC fan motor in the freezer compartment during normal operation. If more than 2 minutes pass without a signal from the fan motor, an "Er CF" error message will be displayed. The Cooling Motor Error is usually an indication of a faulty fan motor or mother board. Customer service should be contacted immediately. 

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