❄️Refrigerator

ER CO

LG · LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator

LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator ER CO Error Fix: Communication Error

Communication failure between main control board and display board. Check wiring harness connections. Reseat all connectors. Loose/corroded connector is most common cause. Try less expensive display board first if connections are secure.

High severity2 fixes available✨ Free fix available

Quick Answer

Error ER CO on the LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator means: Communication Error. The top-ranked community fix is “Replace the Display Board to Resolve Communication Failure” (medium difficulty, ~45 min, DIY cost: $15-$20). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · refrigerator

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many refrigerator repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $120-$180.

Other LG Models with Error ER CO

LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser

refrigerator · 2 fixes

Other LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator Error Codes

22 22

Compressor Relay Error

2 fixes

CONDENSER DIRTY

Condenser Coil Dirt Accumulation

Door Seal Failure

Condenser Fan Error

Defrost Heater Error

Defrost Sensor Error

Freezer Fan Error

Freezer Sensor Error

People Also Ask About LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator Error ER CO

What does error code ER CO mean on a LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator?

Error code ER CO on the LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator means: Communication Error. Communication failure between main control board and display board. Check wiring harness connections. Reseat all connectors. Loose/corroded connector is most common cause. Try less expensive display board first if connections are secure.

How do I fix error code ER CO on my LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator?

The most successful fix is "Replace the Display Board to Resolve Communication Failure" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$20. HomeMD has 2 community-ranked fixes for this error.

Is error code ER CO on a LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator error ER CO myself?

Yes — the top-ranked community fix ("Replace the Display Board to Resolve Communication Failure") is rated medium difficulty and takes about 45 minutes. Tools needed: T15 Torx screwdriver, Needle-nose pliers, Multimeter.

How much does it cost to repair LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator error ER CO?

DIY cost: $15-$20. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator have?

The LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator has 8 other known error codes, including: 22 22 (Compressor Relay Error), CONDENSER DIRTY (Condenser Coil Dirt Accumulation), DOOR GASKET WORN (Door Seal Failure), ER CF (Condenser Fan Error), ER dH (Defrost Heater Error), and 3 more.

Which other LG models have the ER CO error?

Error code ER CO also appears on 1 other LG model: LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator have?

The LG LRFXC2416S 24 cu. ft. Smart Counter-Depth MAX French Door Refrigerator has 8 other known error codes:

22 22 — Compressor Relay Error (2 fixes)
CONDENSER DIRTY — Condenser Coil Dirt Accumulation (2 fixes)
DOOR GASKET WORN — Door Seal Failure (2 fixes)
ER CF — Condenser Fan Error (2 fixes)
ER dH — Defrost Heater Error (2 fixes)
ER dS — Defrost Sensor Error (2 fixes)
ER FF — Freezer Fan Error (2 fixes)
ER FS — Freezer Sensor Error (2 fixes)

Which other LG models have the ER CO error?

Error code ER CO also appears on 1 other LG model:

LRSXS2606S 26 cu. ft. Side-by-Side Refrigerator with Ice & Water Dispenser (refrigerator) · 2 fixes

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