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Error code reference

LG Refrigerator Error Code 39E

Ice Maker(FZ) Function Error

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What the 39E error code actually means

Your LG refrigerator is showing an error because the ice maker in the freezer has failed to work correctly more than three times in a row. The refrigerator has detected a repeating problem with the ice maker and is alerting you that it needs attention. Until this is resolved, the ice maker will not produce ice normally.

Diagnostic procedure

The full 39E procedure

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1
First diagnostic step
Replace the Ice Maker and check if it operates normally.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of 39E

Ranked by how often they cause this code
  1. 1Failed Ice Maker Assembly
  2. 2Ice Maker Wiring or Connector Issue
  3. 3Ice Maker Sensor or Thermostat Fault
  4. 4Freezer Temperature Too High
  5. 5Main Control Board Communication Fault

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Questions people ask about 39E

What does 39E mean on a LG refrigerator?
The 39E code means the freezer ice maker has experienced a function error more than three times. The refrigerator control board tracks ice maker cycle failures and triggers this code when the problem is persistent rather than a one-time occurrence. It indicates the ice maker is not completing its cycles correctly and needs to be diagnosed or replaced.
Is it safe to use my LG refrigerator while the 39E code is showing?
Yes, the 39E error is specific to the ice maker function and does not affect the overall cooling performance of the refrigerator or freezer. Your food will remain safely stored while this code is active. The only impact is that the ice maker will not produce ice normally until the issue is resolved.
Will resetting my LG refrigerator clear the 39E error code?
A reset may temporarily clear the 39E code from the display, but the code will return if the underlying ice maker fault is not corrected. Because the code is triggered after more than three failure cycles, simply resetting the unit without repairing or replacing the ice maker will result in the error appearing again once the ice maker attempts and fails another cycle.
Can I fix the 39E error myself, or do I need a technician?
A knowledgeable DIYer can start by inspecting the wiring harness and connectors at the ice maker for visible damage or loose connections. If no wiring issue is found, the primary fix is replacing the ice maker assembly. Ice maker replacement on LG refrigerators is a moderate-difficulty repair, but if the error persists after replacing the ice maker, a technician should evaluate the main control board.
How much does it cost to fix a 39E error on a LG refrigerator?
If the repair involves replacing the ice maker assembly, parts alone typically range from $60 to $200 depending on the specific LG model. Adding professional labor, the total repair cost generally falls between $150 and $400. If the issue turns out to be a wiring connection that only needs cleaning or reseating, the cost can be minimal.

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