mypros+
Error code reference

LG Refrigerator Error Code 10E

FZ-Ice Pipe Heater Error

Avg. service call
$285
National average. Trip fee plus diagnostic plus labor. Before parts.
MyPros+ 3-day pass
$9.95
Same diagnostic steps, on your phone. Start now.
You keep in your pocket
~$275
Even before you buy the part.
Skip the service call. Fix it yourself.
Full procedure unlocks instantly.
Get Started

What the 10E error code actually means

Your LG refrigerator is showing an error because a small heater that keeps the ice maker water line from freezing is not working correctly. The refrigerator detected that the electrical connection to that heater is broken, loose, or shorted out. This does not mean your refrigerator is unsafe, but your ice maker may stop producing ice until the problem is fixed.

Diagnostic procedure

The full 10E procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Measure resistance at Main PCB CN79 Yellow-Pink wires; should be 102 ohm ±7%. 0 ohm = heater short, infinity = check for wire open or connector slip-out.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock 10E procedure $9.95

Or subscribe: $29/month for unlimited access to all codes plus Max AI diagnostics.

Most common causes of 10E

Ranked by how often they cause this code
  1. 1Connector slip-out at CN79
  2. 2Poor or corroded connector contact
  3. 3Wire breakage in the heater harness
  4. 4Open circuit in the heater element
  5. 5Shorted heater element

Most DIYers save hundreds by diagnosing before ordering parts.

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass

Questions people ask about 10E

What does 10E mean on a LG refrigerator?
The 10E code indicates a fault in the freezer ice pipe heater circuit. The refrigerator monitors a small resistance heater that keeps the water supply line to the ice maker from freezing. The error is triggered when the control board detects that the heater circuit has an abnormal resistance, which can be caused by a disconnected connector, broken wire, or failed heater element.
Is the 10E error dangerous?
The 10E error is not a safety hazard in the sense of fire or shock risk under normal circumstances. However, a shorted heater element should be addressed promptly, as a sustained short can stress wiring and related components. The most immediate practical effect is that your ice maker may stop working correctly if the water supply line freezes due to the heater being non-functional.
How much does it cost to repair the 10E error on an LG refrigerator?
If the fix is simply reseating a connector, the cost is minimal, just your time. If the heater element needs replacement, parts typically range from around 20 to 60 dollars depending on the model, with professional labor adding another 80 to 150 dollars if you hire a technician. Wiring harness repairs can vary more widely depending on the extent of the damage.
Can I fix the 10E error myself?
In many cases, yes. The most common cause is a loose or slipped connector at the Main PCB connector CN79. If you are comfortable working inside a refrigerator and using a multimeter, you can inspect the yellow and pink wires at CN79 and measure the resistance of the heater circuit. A correct reading should be approximately 102 ohms. If the connector is secure and the resistance is out of range, a replacement heater element or wiring harness repair may be needed.
Will resetting the refrigerator clear the 10E error?
A power reset may temporarily clear the error code display, but the fault will return if the underlying cause is not repaired. The control board will re-detect the abnormal heater resistance and re-trigger the 10E code during normal operation. A lasting fix requires correcting the connector, wiring, or heater element issue.

78,000+ service manuals · 160,000+ error codes · 55+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass