LG Refrigerator ✅ Safe for Now

LG Refrigerator Error Code Er IS

LG Refrigerator error code Er IS: Ice maker sensor failure.

Last reviewed: Aug 7, 2026 Last updated: Aug 7, 2026

Methodology: Reviewed against official Lg refrigerator support guidance, then grouped by fault family before separating owner-safe checks from technician-level diagnosis.

Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.

LG Support - Refrigerator troubleshooting — Official LG support library used for refrigerator error-code and troubleshooting references.

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

Should I unplug it?

✅ No — safe for now

Safe to use briefly. A faulty sensor causes poor performance but rarely immediate danger.

Can I fix it myself?

DIY Possible

Part: Temperature sensor / thermistor

How much will it cost?

DIY: $10–$60 (sensor)

Technician: $80–$250

⏱ 20–45 min

What Does Error Er IS Mean on Your LG Refrigerator?

LG Refrigerator error code Er IS: Ice maker sensor failure.

What typically fails: Temperature sensor / thermistor

What You're Probably Seeing

→ No ice being made
→ Ice maker making noise
→ Water dispenser not working

Common Causes

• Temperature sensor or thermistor reading out of range
• Loose or corroded sensor wiring connector
• Control board not receiving stable sensor feedback

How to Fix It Yourself

1 Unplug the refrigerator for 60 seconds then plug back in — this resets the control board and clears many temporary faults
2 Test the sensor with a multimeter — check resistance against the spec in the service manual
3 Inspect the sensor's wiring harness for corrosion or loose connector
4 Replace the sensor if out of spec ($10–$50 part)
5 If the error persists after basic troubleshooting, contact a qualified appliance technician

🛠️ You'll need: Multimeter, Screwdriver set · Time: 20–45 min

💡 Try this first: Unplug the appliance for 60 seconds, then plug back in. This resets the control board and clears many temporary faults.

Questions People Also Ask

What does LG Refrigerator error code Er IS mean? ▼

Error code Er IS on a LG Refrigerator means: Ice maker sensor failure. The appliance detected this condition and has stopped or limited operation to prevent further damage.

How do I fix LG Refrigerator error code Er IS? ▼

First, unplug the refrigerator for 60 seconds to reset the control board. If error Er IS returns, the root cause (ice maker sensor failure) needs to be addressed — check connections, filters, and hoses before calling a technician.

Is it safe to use my LG Refrigerator with error code Er IS? ▼

It depends on the cause. Most Er IS errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.

More LG Refrigerator Codes

All LG refrigerator error codes → All LG appliance codes →