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Error code reference

LG Washer Error Code E-2C

PCB temperature sensor short circuit error

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What the E-2C error code actually means

Your LG washer has detected an electrical short in a temperature sensor located on the main control board, which monitors heat near the cooling fan components. This is a safety feature that stops the washer before the control board can be damaged by overheating or an electrical fault. A technician will need to inspect the wiring and control board to find and fix the short circuit.

Diagnostic procedure

The full E-2C procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check for short circuit in PCB temperature sensor; repair the short circuit.
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Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of E-2C

Ranked by how often they cause this code
  1. 1Shorted PCB temperature sensor component
  2. 2Damaged or pinched sensor wiring harness
  3. 3Corroded or shorted connector pins
  4. 4Faulty main control board (PCB)

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Questions people ask about E-2C

What does E-2C mean on a LG washer?
The E-2C code on an LG washer indicates a short circuit in the PCB temperature sensor, specifically within the circuit related to the cooling fan motor sensor. The control board monitors its own temperature using this sensor, and when a short is detected, the washer stops to protect the electronics. This fault requires inspection of the sensor, its wiring, and potentially the main control board to locate and repair the short.
Is it safe to use my LG washer when the E-2C code is showing?
No, you should not continue running the washer while the E-2C code is active. This fault signals an electrical short circuit on the control board circuit, which can cause further damage to the PCB or present a broader electrical risk if left unaddressed. Disconnect the washer from power until the fault is diagnosed and repaired.
How much does it cost to repair an E-2C error on an LG washer?
Repair costs vary depending on whether the issue is a damaged wire, connector, or the full control board. Wiring or connector repairs by a technician may cost in the range of $100 to $200 including labor. If the main PCB requires replacement, costs typically range from $200 to $450 or more depending on parts pricing and labor rates in your area.
Can I fix the E-2C error myself?
Some causes of the E-2C error, such as a corroded connector or a visibly damaged wire, can be addressed by a knowledgeable DIYer comfortable working with appliance wiring. However, if the short circuit is inside the main control board itself, board-level repair or replacement is needed and is best handled by a technician. Always disconnect power to the washer before inspecting any wiring or connectors.
Will resetting my LG washer clear the E-2C error?
A power reset may temporarily clear the E-2C code from the display, but the fault will return if the underlying short circuit has not been repaired. The sensor circuit must be inspected and the short must be physically corrected before the error will stay cleared. Resetting without repair is not a solution and could allow continued stress on the control board.

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