← Back to all error codes
SE-20 LG Refrigerator Moderate Repair

LG SE-20 Error Code: Meaning, Fix & Cost

Water/ice system sensor error.

What SE-20 Means

Water/ice system sensor error.

Likely cause: Sensor wire broken, sensor degraded, or control board not reading sensor

Estimated Repair Cost $250-500

How to Fix It

Check sensor wiring for damage or disconnection. Test sensor resistance with a multimeter (compare to spec in service manual). Reset power at breaker for 30 seconds. If sensor reads out of range, replace the sensor.

Difficulty: Moderate Repair

Consider calling a professional for this repair.

Official Reference

manufacturer support page

Related Guides & Resources

Frequently Asked Questions

What does the LG SE-20 error code mean?

Water/ice system sensor error..

What causes the SE-20 code on a LG refrigerator?

Sensor wire broken, sensor degraded, or control board not reading sensor.

How do I fix the SE-20 error on my LG refrigerator?

Check sensor wiring for damage or disconnection. Test sensor resistance with a multimeter (compare to spec in service manual). Reset power at breaker for 30 seconds. If sensor reads out of range, replace the sensor. Estimated repair cost: $250-500.

Is the SE-20 error code a DIY fix or do I need a professional?

This is rated as moderate repair. This may require a professional technician.

Related Error Codes

Need the Manual?

Search 25,061 LG manuals in our database for installation specs, wiring diagrams, and service procedures.

Browse LG Manuals →