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Error Codes - Refrigerator

Troubleshooting Refrigerators Last Updated 04/07/2018
Error Codes - Refrigerator

Error codes are signals from your unit that it needs your attention, it display as letters and are found on digital control panels. The error may display differently on some units depending on the model. The most common errors will appear starting with either "ER", "E" or "r".

Select the corresponding error code below:

  1. OFF
  2. IS
  3. 22
  4. 67
  5. CF
  6. CO
  7. DH
  8. DS
  9. FF
  10. FS
  11. GF
  12. HS
  13. IF
  14. 1IT
  15. rf
  16. rs
  17. rt
  18. ss
  19. ad
  20. dl
  21. as
  22. dr
  23. c1
  24. od
  1. Other Error Codes
    1. F1
    2. F DH
    3. r DH
    4. Er DH
    5. F DS
    6. r DS
    7. las
    8. ras

Your LG refrigerator is equipped with a DEMO MODE or DISPLAY MODE. This feature disables all cooling in the refrigerator and freezer sections to conserve energy while on display in a retail store. When DEMO MODE is activated, OF F will appear on the control panel.

Press and hold refrigerator and ice plus button

  • To disable DEMO/DISPLAY MODE: With either refrigerator door opened, press and hold the REFRIGERATOR and ICE PLUS buttons at the same time for five seconds.

  • After holding the buttons for five seconds, the control panel will beep, and the temperature settings will display to confirm that DEMO MODE is deactivated.

IS or 1S Error Code

IS or 15 error code indicates a problem with the ice maker fan motor or a disconnection of the icemaker sensor.

For this error code, unfortunately there is no troubleshooting that can be performed.

The unit will require a repair service, please visit our Request a Repair page.

CF Error Code

A CF error code indicates that the feedback signal is less than 65 seconds during the fan's operation. This refers to the fan at the back, bottom of the refrigerator that discharges heat from the condenser.

Unfortunately, there are no troubleshooting steps to resolve this issue. The unit will require a repair service, please visit our Request a Repair page.

22 Error Code

A 22 error code indicates a problem with compressor relay.

Unfortunately, there are no troubleshooting steps to resolve this issue. The unit will require a repair service, please visit our Request a Repair page.

67 Error Code

A 67 error code indicates a problem with a gap in the door or an object inside the fridge restricting the door from closing properly.

Unfortunately, there are no troubleshooting steps to resolve this issue. The unit will require a repair service, please visit our Request a Repair page.

CO Error Code

A CO error code on the display of the refrigerator indicates a communication error between the control board and the display.

Unfortunately, there are no troubleshooting steps to resolve this issue. The unit will require a repair service, please visit our Request a Repair page.

dH Error Code

A dH error code can display in three variations depending on the model of your unit.

    F dH r dH Er dH

A dH error code indicates that the unit spent more than 1 hour trying to defrost. During defrost; the unit will increase the temperature at the evaporator to a preset temperature. If this temperature is not reached within 1 hour, the dH error code will display.

How to resolve:

Unplug the refrigerator for 2 minutes to reset the unit and allow the system to defrost again.

If the error persists, the unit will require a repair service. Please visit our Request a Repair page.

dS Error Code

A dS error code indicates a short or disconnection of the defrosting sensor.

This error can display in three variations depending on the model of your unit.

    ER dS F sD r dS
  1. F dS indicates a problem with the freezer defrost sensor.

  2. r dS indicates a problem with the refrigerator defrost sensor.

For these error codes, unfortunately there is no troubleshooting that can be performed. The unit will require a repair service, please visit our Request a Repair page.

FF Error Code

A FF error code indicates that the unit has detected an issue with the freezer fan. This can sometimes be caused by frost buildup.

For French Door units, please check the gasket alongside the door as shown below:

If you notice frost buildup along the walls of the freezer compartment, the leveling and door alignment of the refrigerator will need to be checked. Please visit our Levelling Instructions for more information.

If there is no frost along the walls of the freezer compartment, the unit will require a repair service, please visit our Request a Repair page.

FS Error Code

A FS error code indicates a short or disconnection of the freezer sensor.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

gF Error Code

A gF error code indicates a flow sensor error, or low water pressure.

If your ice maker is overfilling with water, the flow sensor that determines how much water is flowing to the ice maker may be malfunctioning.

If the water pressure is low, partially increase the water pressure. If the error persists, the unit will require a repair service. Please visit our Request a Repair page.

HS Error Code

A HS error code indicates a short or disconnection of humidity.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

IF or F1 Error Code

The IF or F1 error code indicates that the refrigerator has detected a problem with the refrigerator's ice maker fan. This can sometimes occur when frost or ice buildup occurs around the ice maker fan.

Note: For French Door units, please check the gasket along side the door to ensure it is not torn or damaged.

Frost buildup can occur if the doors on the unit are not aligned properly. For more information on door alignment and proper refrigerator leveling, please visit our LG Refrigerator Leveling Instructions article.

If leveling the refrigerator and aligning the doors do not resolve the issue, the unit will require a repair service, please visit our Request a Repair page.

iT Error Code

An It error code indicates a defect in the icemaker.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

rF Error Code

A rF error code indicates an abnormality in the refrigerator's fan motor.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

rS Error Code

A rS error code indicates a short or disconnection of the refrigerator sensor.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

rT Error Code

A rt error code indicates a shortened or open room temperature sensor.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

SS Error Code

An SS error code indicates a shortened or open pantry sensor.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

Ad Error Code

An Ad error code displays when the door motor does not move to maximum position or home position within 5 seconds.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

AS, L AS, or r AS Error Code

This error code displays when the auto door motor is in operation, and the reed switch is in open state.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

dL Error Code

A dL error code displays when the door motor does not move to maximum position or home position within 5 seconds.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

dr Error Code

A dr error code displays when the door motor does not move to maximum position or home position within 5 seconds.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

C1 Error Code

A C1 error code indicates a communication error between the micom of LCD display and the dispenser.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

Od Error Code

Od indicates a WIFI Modem or communication error between the micom of the LCD display and the WiFi modem.

Unfortunately, there are no troubleshooting steps for this error code. The unit will require a repair service, please visit our Request a Repair page.

1 - 7 Number Display Errors

NOTE: If your unit requires a repair service, you can easily schedule the repair service online without calling us. Please visit our Request a Repair page.

Author - Sanmi Ajanaku

Sanmi is a Home Appliance expert and author of this help library article. Please leave him feedback below about the page.

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